CN108934180A - A kind of capacitance pen system, capacitance pen and capacitance pen control circuit - Google Patents
A kind of capacitance pen system, capacitance pen and capacitance pen control circuit Download PDFInfo
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- CN108934180A CN108934180A CN201780000199.XA CN201780000199A CN108934180A CN 108934180 A CN108934180 A CN 108934180A CN 201780000199 A CN201780000199 A CN 201780000199A CN 108934180 A CN108934180 A CN 108934180A
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Abstract
A kind of capacitance pen system, capacitance pen and capacitance pen control circuit, the capacitance pen system include：One capacitance pen (1) and an electronic equipment (2)；Wherein, the capacitance pen (1) includes active electrode module (101), passive induction module (102), the first control module (103) and the first wireless communication module (104), the active electrode module (101) includes an active electrode, and the passive induction module (102) includes a Passive electrode；The electronic equipment (2) includes a touch location detection module (201), the second control module (202), the second wireless communication module (203) and operation executing module (204).Increase passive induction module (102) by the tail in capacitance pen (1), it can be intended in the erasing operation that the capacitor tip of the brushstyle of a writing or painting obtains user, and erasing operation is intended to be sent to electronic equipment (2) by module (104) by wireless communication, execute erasing operation, the tail installing active transmission module in capacitance pen (1) is not needed, structure design can be simplified, save product cost, while reducing power consumption.
Description
The embodiment of the present invention belongs to capacitance pen field more particularly to a kind of capacitance pen system, capacitance pen and capacitance pen control circuit.
Active capacitance pen inputs accessory, the gradually concern by market as the main peripheral hardware of the electronic equipment with touch screen.Usual user is during using active capacitance pen, in addition to normally writing new content, also has erasing substantial demand.
On Vehicles Collected from Market there are mainly two types of the erasing function implementations of active capacitance pen:
First way is the software realization based on electronic equipment end, in this case, active capacitance pen only passes through pen tip and emits signal, active capacitance pen and electronic equipment can not identify that user is currently intended that writing or erasing by pen tip signal, in the case where the pen tip signal of active capacitance pen is defaulted as write mode, if there is wiping demand, it needs to be arranged by the software at electronic equipment end and write mode is switched to erasing mode, the pen tip signal of active capacitance pen is for carrying out erasing operation at this time, after erasure completion, it is switched to normal write mode again.This implementation method does not need active capacitance pen and does specially treated, and universal active capacitance pen can be supported, but manual switching mode is needed in operating process, influences user experience.
The second way is that the active capacitor tip of the brushstyle of a writing or painting first identifies that user wipes behavior and is intended to, in this case, active capacitance pen pen tip only and tail can emit signal, wherein a tail signal is different from pen tip signal, and electronic equipment is identified by the feature of tail signal and pen tip signal writes signal or erasing signal；A kind of typical mode is utilized in pen tip and tail respectively designs an emission electrode and realizes respectively and writes and erasing function, when normal writing, electronic equipment detection is pen tip signal, when pen body is inverted with tail contacting electronic equipments screen using erasing function by user, electronic equipment detection is a tail signal, pen tip electrode is different with the frequency of pen cap electrode emission signal, so that the writing of electronic equipment identification user or erasing behavior be facilitated to be intended to.This mode will increase power consumption and product cost since two signal transmitting terminals being arranged on active capacitance pen.
Summary of the invention
To solve the above-mentioned problems, the embodiment of the present invention provides a kind of capacitance pen system, capacitance pen and capacitance pen control circuit.
In a first aspect, the embodiment of the present invention provides a kind of capacitance pen system, the capacitance pen system includes:
One capacitance pen and an electronic equipment；
Wherein, the capacitance pen includes active electrode module, passive induction module, the first control module and the first wireless communication module, and the active electrode module includes an active electrode, and the passive induction module includes a Passive electrode；
The electronic equipment includes a touch location detection module, the second control module, the second wireless communication module and operation executing module；
The touch location detection module detects the electric signal of the active electrode transmitting, and second control module determines the position coordinates of the active electrode Yu the electronic equipment contact point, and controls the operation executing module and execute writing or clicking operation；
The touch of the touch location detection module detection Passive electrode, the position coordinates of Passive electrode Yu the electronic equipment contact point are determined by second control module, the passive induction module detects the pressure that the Passive electrode is subject to, first control module controls first wireless communication module and pressure sensing result is sent to the second wireless communication module, and it is transferred to second control module, second control module controls the operation executing module according to the position coordinates and pressure sensing result and executes erasing operation.
Optionally, the passive induction module includes such as one of lower pressure sensor: piezoresistive pressure sensor, capacitance pressure transducer, inductance pressure transducer and piezoelectric pressure indicator.
Optionally, first wireless communication module and the second wireless communication module are bluetooth module.
Further, whether the pressure value that first control module is also used to judge that the passive induction module detects is greater than preset threshold, when the pressure value detected is greater than preset threshold, the pressure sensing result is sent to the electronic equipment by first wireless communication module.
Further, the capacitance pen further includes power supply module, first control module be also used to judge the active electrode and Passive electrode and the electronic equipment not in contact with duration whether be greater than preset threshold, when not in contact with duration be greater than preset threshold when, power supply module described in first control module is closed.
Second aspect, the embodiment of the present invention provide a kind of capacitance pen, applied to the electronic equipment with touch panel, comprising:
Main body, is mounted on the active electrode module of a body head, is mounted on the passive induction module of a body tail section, and be mounted on the control module of a body lumen, wireless communication module；
The active electrode module includes an active electrode, and the active electrode is used to indicate the position on touch panel；
The passive induction module includes a Passive electrode, for the touch operation of analog subscriber finger, indicates the position on touch panel, and the pressure that the detection Passive electrode is subject to；
The pressure sensing result that the passive induction module obtains is sent to the erasing operation that electronic equipment is used to control the electronic equipment by the control module control wireless communication module.
Optionally, the passive induction module includes such as one of lower pressure sensor: piezoresistive pressure sensor, capacitance pressure transducer, inductance pressure transducer and piezoelectric pressure indicator.
Optionally, the wireless communication module is bluetooth module.
Further, the capacitance pen further includes power supply module, and first control module controls the opening and closing of the power supply module.
Further, the capacitance pen further includes a switch module, for controlling the opening and closing of the power supply module.
Further, the passive induction module and the described detachable installation of main body.
The third aspect, the embodiment of the present invention provides a kind of capacitance pen control circuit, the capacitance pen control circuit includes active electrode circuit unit, feeling of passivity answers circuit unit, main control circuit unit, radio communication circuit unit, the first input end of the main control circuit unit and the second input terminal are separately connected the active electrode circuit unit and feeling of passivity answers the output end of circuit unit, the first output end and second output terminal of the main control circuit unit are separately connected the input terminal of the active electrode circuit unit and radio communication circuit unit, the feeling of passivity is answered circuit unit to detect signal for output pressure and is exported to the main control circuit unit, the pressure detecting signal is sent to external electronic device by the radio communication circuit unit to control the erasing operation of the electronic equipment by the main control circuit unit.
Further, it includes a Passive electrode and a pressure sensitive sub-circuit unit for coupling that the feeling of passivity, which answers circuit unit, and the output end of the pressure sensitive sub-circuit unit connects the second input terminal of the main control circuit unit.
Optionally, the radio communication circuit unit includes a Bluetooth chip.
Further, the capacitance pen control circuit further includes a power supply circuit unit, and the power supply circuit unit is connect with main control circuit unit, and the main control circuit unit sends control signal and controls the power supply circuit unit power supply or power-off.
Further, the capacitance pen control circuit further includes a switching circuit unit, and the switching circuit unit is connect with the power supply circuit unit, controls the power supply or power-off of the power supply circuit unit.
The capacitance pen system and capacitance pen provided according to embodiments of the present invention, increase passive induction module by the tail in capacitance pen, it can be in the touch panel of Passive electrode contacting electronic equipments, it is intended to by the erasing operation that the testing result of passive induction module obtains user, and erasing operation is intended to be sent to electronic equipment by module by wireless communication, electronic equipment directly executes erasing operation, compared with prior art, the technical solution of the embodiment of the present invention does not need the tail installing active transmission module in capacitance pen, structure design can be simplified, save product cost, power consumption is reduced simultaneously.The capacitance pen control circuit provided according to embodiments of the present invention, active electrode circuit unit is controlled by governor circuit and feeling of passivity answers circuit unit, the control that the active of the capacitor tip of the brushstyle of a writing or painting is write, passively wiped can be achieved, so that not needing to add additional active electrode transmit circuit using the capacitance pen of the circuit, circuit structure design can be simplified, product cost is saved, while reducing power consumption.
In order to illustrate more clearly of the present invention or scheme in the prior art, a simple introduction will be made to drawings that need to be used in the embodiment or the prior art description below, it should be apparent that, drawings in the following description are some embodiments of the invention,
For those of ordinary skill in the art, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the stereoscopic schematic diagram for the capacitance pen system that the embodiment of the present invention one provides；
Fig. 2 is the structural block diagram for the capacitance pen system that the embodiment of the present invention one provides；
Fig. 3 is the schematic diagram of the position detection for the active electrode that the embodiment of the present invention one provides；
Fig. 4 is another structural block diagram for the capacitance pen system that the embodiment of the present invention one provides；
Fig. 5 is the stereoscopic schematic diagram of capacitance pen provided by Embodiment 2 of the present invention；
Fig. 6 is the schematic cross-sectional view of capacitance pen provided by Embodiment 2 of the present invention；
Fig. 7 is another schematic cross-sectional view of capacitance pen provided by Embodiment 2 of the present invention；
Fig. 8 is the another schematic cross-sectional view of capacitance pen provided by Embodiment 2 of the present invention；
Fig. 9 is another stereoscopic schematic diagram of capacitance pen provided by Embodiment 2 of the present invention；
Figure 10 is the circuit block diagram for the capacitance pen control circuit that the embodiment of the present invention three provides；
Figure 11 is the circuit block diagram for the active electrode circuit unit that the embodiment of the present invention three provides；
Figure 12 is another circuit block diagram for the capacitance pen control circuit that the embodiment of the present invention three provides；
Figure 13 is the another circuit block diagram for the capacitance pen control circuit that the embodiment of the present invention three provides.
In order to enable those skilled in the art to better understand the solution of the present invention, following will be combined with the drawings in the embodiments of the present invention, and technical scheme in the embodiment of the invention is clearly and completely described.Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.Term as used herein in the specification of the present invention, which is only for the purpose of describing specific embodiments, is not intended to limit the present invention.Description and claims of this specification and term " first " in above-mentioned attached drawing, " second " etc. are not use to describe a particular order for distinguishing different objects.In addition, term " includes " and " having " and their any deformations, it is intended that cover and non-exclusive include.Such as it contains the process, method, system, product or equipment of a series of steps or units and is not limited to listed step or unit, but optionally further comprising the step of not listing or unit, or optionally further comprising other step or units intrinsic for these process, methods, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described may include at least one embodiment of the present invention in conjunction with the embodiments.The phrase, which occurs, in each position in the description might not each mean identical embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and implicitly understand that embodiment described herein can be combined with other embodiments.
Embodiment one
Refering to fig. 1 and Fig. 2.The embodiment of the present invention provides a kind of capacitance pen system, and the capacitance pen system includes 2 two parts of capacitance pen 1 and electronic equipment, and in the present embodiment, the electronic equipment 2 is the electronic equipment, such as mobile phone, super basis, plate etc. of capacitor formula touch panel.
Wherein, the capacitance pen 1 includes at least active electrode module 101, passive induction module 102, the first control module 103 and the first wireless communication module 104；
The electronic equipment 2 includes a touch location detection module 201, the second control module 202, the second wireless communication module 203 and operation executing module 204.
Specifically, the active electrode module 101 is mounted on the written position of capacitance pen 1, the Passive electrode module 102 is mounted on the tail position of capacitance pen 1, and first control module 103 and the first wireless communication module 104 are installed in the pen body of capacitance pen 1.
In the present embodiment, the active electrode module 101 includes an active electrode, as the pen tip of capacitance pen 1, for sending electric signal；
The passive induction module 102 includes a Passive electrode, touch operation for analog subscriber finger, the Passive electrode can be mounted on the tail position of capacitance pen 1 by fixed mode, be also possible to be socketed in the tail position of capacitance pen 1 as dismountable pen cap.
The passive induction module 102 is also used to detect the pressure that the Passive electrode is subject to, while pressure sensing result is transmitted to first control module 103, to confirm whether Passive electrode contacts with the touch panel of electronic equipment 2；
Optionally, the passive induction module 102 includes such as one of lower pressure sensor: piezoresistive pressure sensor, capacitance pressure transducer, inductance pressure transducer and piezoelectric pressure indicator.
In a kind of scheme of the present embodiment, the pressure sensor that the passive induction module 102 uses is piezoresistive pressure sensor, specially resistance strain gage pressure sensor, the resistance strain gage of the resistance strain gage pressure sensor is fitted on the Passive electrode, when deformation occurs for Passive electrode contacting electronic equipments, correspondingly deformation occurs for resistance strain gage, can get corresponding pressure sensing result according to the resistance change of resistance strain gage.
In another scheme of the present embodiment, the pressure sensor that the passive induction module 102 uses is capacitance pressure transducer, it further include specifically a pressure sensing electrode, the pressure sensing electrode and Passive electrode form a capacitor, it is subjected to displacement or when deformation when the Passive electrode is under pressure, the passive induction module 102 will obtain the capacitance or capacitance variations value of the capacitor, to obtain corresponding pressure sensing result.
Optionally, in other schemes of the present embodiment, the passive induction module 102 specifically can also be using other kinds of pressure sensor, such as semiconductor gauge pressure sensor, piezoresistive pressure sensor, inductance pressure transducer etc..
First control module, 103 one side is externally emitted for controlling the active electrode module 101 by active electrode
On the other hand pressure sensing result is sent to the second wireless communication module 203 positioned at electronic equipment 2 for controlling the first wireless communication module 104, is then transferred to the second control module 202 positioned at electronic equipment 2 by electric signal.
The electronic equipment 2 includes a touch location detection module 201, the second control module 202 and the second wireless communication module 203；
The touch location detection module 201 is used to detect the electric signal of the active electrode transmitting of active electrode module 101 and detects the touch of the Passive electrode of passive induction module 102.
Specifically, the touch location detection module 201 is the touch panel of electronic equipment 2.
For active electrode module 101, as shown in Figure 3, it is illustrated as position detection schematic diagram of the active electrode of active electrode module 101 on touch panel, when active electrode contacts touch panel, active electrode launches electric signal and forms an electric field, and a certain number of horizontal direction detecting electrodes and vertical direction detecting electrode are dispersed on touch panel, horizontal direction detecting electrode and vertical direction detecting electrode are used to detect the electric signal that active electrode emits, since the electric signal that active electrode is launched has decaying during propagation, therefore the electrical signal intensity that the detecting electrode closer from active electrode detects is bigger, with the increase of distance, signal is gradually decayed, according to this rule, the active electrode of active electrode module 101 can be calculated with vertical direction in the horizontal direction in touch surface Position coordinates on plate.
For passive induction module 102, when Passive electrode contacts touch panel, it will form a coupled capacitor between Passive electrode and the conductor layer of touch panel, the electric current that the detecting electrode of the touch location detection module 201 issues can flow to contact point, and electric current power is directly proportional at a distance from Passive electrode to detecting electrode, according to this rule, position coordinates of the Passive electrode of passive induction module 102 on touch panel can be accurately calculated according to the ratio and power of calculated electric current.
Second control module 202 is used to determine the position coordinates of the contact point of the active electrode of active electrode module 101 and the touch panel of the electronic equipment 2, writing or clicking operation are executed to control the operation executing module 204, and the position coordinates of the Passive electrode for determining passive induction module 102 and the contact point of the touch panel of the electronic equipment 2, the pressure sensing result sended over from capacitance pen 1 is parsed simultaneously, is controlled the operation executing module 204 according to obtained position coordinates and pressure sensing result and is executed erasing operation.Specifically, second control module 202 is CPU (Central Processing Unit, the central processing unit) module of installation in the electronic device.
In above-mentioned capacitance pen system, operation can be clicked or be write by the active electrode module 101 of capacitance pen 1, erasing operation can be carried out by the passive induction module 102 of capacitance pen 1, lower mask body is illustrated the course of work of capacitance pen system.
Wherein, when carrying out writing or clicking operation by the active electrode module 101 of capacitance pen 1, the course of work is as follows:
S101, the active electrode module 101 active electrode contacting electronic equipments 2 touch panel；
S102, the active electrode module 101 emit electric signal by active electrode, form an electric field on touch panel surface；
S103, the touch location detection module 201 detect the intensity distribution of the electric signal of the active electrode transmitting, and will
The intensity distribution data of the electric signal detected is sent to the second control module 202；
S104, second control module 202 calculate the position coordinates of the contact point of the active electrode and the touch panel according to the intensity distribution data of electric signal；
S105, second control module 202 control the operation executing module 204 and execute writing or clicking operation.
On the other hand, when carrying out erasing operation by the passive induction module 102 of capacitance pen 1, the course of work is as follows:
S201, the passive induction module 102 Passive electrode contacting electronic equipments 2 touch panel；
S202, the passive induction module 102 detect the pressure that the Passive electrode is subject to, and pressure sensing result is transmitted to the first control module 103, first control module 103 controls the first wireless communication module 104 and pressure sensing result is sent to the second wireless communication module 203, and is transferred to second control module 202；
The touch of S203, the touch location detection module 201 detection Passive electrode, and touch detection data are sent to the second control module 202；
S204, second control module 202 calculate the position coordinates of the contact point of Passive electrode and the touch panel according to touch detection data, and parse the pressure sensing result；
S205, second control module 202 control the operation executing module 204 according to the parsing information of obtained position coordinates and pressure sensing result and execute erasing operation.
Optinal plan as the embodiment of the present invention, in step S202, first control module 103 controls the first wireless communication module 104 and pressure sensing result is sent to the second wireless communication module 203 specifically: whether the pressure value that first control module 103 judges that the passive induction module 102 detects is greater than preset threshold, when the pressure value detected is greater than preset threshold, the pressure sensing result is sent to the second wireless communication module 203 of the electronic equipment 2 by first wireless communication module 104.
Optionally, above-mentioned steps S202 is synchronous with S203 carries out.
Optionally, in the present embodiment, above-mentioned first wireless communication module 104 and the second wireless communication module 203 are bluetooth module.
In the present embodiment, as shown in Figure 4, the capacitance pen 1 further includes power supply module 105, first control module 103 is also used to judge whether the active electrode module 101 and passive induction module 102 and the electronic equipment 2 are greater than preset threshold in the duration not in contact with state, when being greater than preset threshold in the duration not in contact with state, first control module 103 controls the power supply module 105 and closes.
Optionally, the capacitance pen 1 further includes switch module 106, manually controls opening or closing for power supply module 105 for user.
The capacitance pen system provided according to embodiments of the present invention increases passive induction module by the tail in capacitance pen, which includes a Passive electrode, and when the touch panel of Passive electrode contacting electronic equipments, which will
Detect the pressure that the Passive electrode is subject to, it is intended to obtain the erasing operation of user according to testing result, and erasing operation is intended to be sent to electronic equipment by module by wireless communication, electronic equipment directly executes erasing operation, compared with prior art, the technical solution of the embodiment of the present invention does not need the tail installing active transmission module in capacitance pen, can simplify structure design, save product cost, while reduce power consumption.
Embodiment two
The embodiment of the present invention provides a kind of capacitance pen, applied to the electronic equipment with touch panel, and is applied to capacitance pen system described in embodiment one.
Refering to Fig. 5 and Fig. 6, wherein Fig. 5 show the stereoscopic schematic diagram of capacitance pen in the present embodiment, Fig. 6 show the schematic cross-sectional view of capacitance pen in the present embodiment, the capacitance pen includes a main body 3, it is mounted on the active electrode module 301 on 3 head of main body, it is mounted on the passive induction module 302 of a body tail section, and is mounted on the control module 303 of 3 inner cavity of a main body, wireless communication module 304；
In the present embodiment, the active electrode module 301 is used to indicate position of the active electrode 3011 on the touch panel of electronic equipment, the operation that can be clicked or be write in the electronic device.Specifically, the active electrode module 301 includes active electrode 3011, pressure sensing cell 3012 and signal generating unit 3013, in the touch panel of 3011 contacting electronic equipments of active electrode, the pressure sensing cell 3012 detects the pressure of the active electrode 3011, when detecting pressure, the control module 303 controls the signal generating unit 3013 and generates electric signal, and the electric signal is emitted by the active electrode 3011, electronic equipment can correspondingly execute click or write operation when detecting the electric signal.
The passive induction module 302 includes Passive electrode (not identifying in figure), touch operation for analog subscriber finger, indicate position of the Passive electrode on touch panel, specifically, the operation that can be wiped in the electronic device by the passive induction module 302, when the touch panel of Passive electrode contacting electronic equipments, on the one hand the passive induction module 302 detects the pressure that the Passive electrode is subject to, and pressure sensing result is transmitted to the control module 303, to confirm that the touch panel of Passive electrode and electronic equipment is in contact condition, the control module 303 controls wireless communication module 304 and the pressure sensing result is sent to electronic equipment simultaneously, another aspect electronic equipment detects the position coordinates of the contact point of Passive electrode and electronic equipment touch panel, electronic equipment is connecing It receives pressure sensing result and executes corresponding erasing operation after obtaining position coordinates.
In the present embodiment, the Passive electrode of the passive induction module can be mounted on the tail position of capacitance pen by fixed mode, it is also possible to be socketed in the tail position of capacitance pen as dismountable pen cap, shows two kinds of set-up modes that the Passive electrode of the passive induction module is socketed in Fig. 6 and Fig. 7.
Optionally, the passive induction module 302 includes such as one of lower pressure sensor: piezoresistive pressure sensor,
Capacitance pressure transducer, inductance pressure transducer and piezoelectric pressure indicator.
In a kind of scheme of the present embodiment, for resistance strain gage pressure sensor, the resistance strain gage of the resistance strain gage pressure sensor is fitted on the Passive electrode pressure sensor that the passive induction module 302 uses.It is subjected to displacement or when deformation, correspondingly deformation occurs for resistance strain gage, can get corresponding pressure sensing result according to the resistance change of resistance strain gage when the Passive electrode is under pressure.
In another scheme of the present embodiment, the passive induction module 302 includes a pressure sensing electrode, the pressure sensing electrode and Passive electrode form a capacitor, it is subjected to displacement or when deformation when the Passive electrode is under pressure, the passive induction module 302 will obtain the capacitance or capacitance variations value of the capacitor, to obtain corresponding pressure sensing result.
In other schemes of the present embodiment, the passive induction module 302 can also be using other kinds of pressure sensor, such as semiconductor gauge pressure sensor, piezoresistive pressure sensor, inductance pressure transducer etc.
In the present embodiment, the wireless communication module 304 is bluetooth module.
In the present embodiment, as shown in figure 8, the capacitance pen further includes power supply module 305, for being other module for power supply, optionally, when the time that capacitance pen is in unused state being more than preset duration, the control module 303 controls power supply module 305 and stops power supply.
Optionally, as shown in figure 9, the capacitance pen further includes a switch module 306, the opening and closing of capacitance pen are controlled by controlling power supply and the power-off of institute's power supply module 305.Optionally, the capacitance pen further includes a hook 307.
The capacitance pen provided according to embodiments of the present invention, increase passive induction module by the tail in capacitance pen, the passive induction module includes a Passive electrode, in the touch panel of Passive electrode contacting electronic equipments, the passive induction module will test the pressure that the Passive electrode is subject to, it is intended to obtain the erasing operation of user according to testing result, and erasing operation is intended to be sent to electronic equipment by module by wireless communication, electronic equipment directly executes erasing operation, compared with prior art, the technical solution of the embodiment of the present invention does not need the tail installing active transmission module in capacitance pen, structure design can be simplified, save product cost, power consumption is reduced simultaneously.
Embodiment three
The embodiment of the present invention provides a kind of capacitance pen control circuit, can be applied to capacitance pen described in capacitance pen system and embodiment two described in embodiment one.
The structural block diagram of capacitance pen control circuit shown in 0 refering to fig. 1, the capacitance pen control circuit include active electrode circuit unit 401, and feeling of passivity answers circuit unit 402, main control circuit unit 403, radio communication circuit unit 404；Wherein, the first input end and the second input terminal of the main control circuit unit 401 are separately connected the active electrode circuit unit 401 and feeling of passivity answers the output end of circuit unit 402, the first output end and second output terminal of the main control circuit unit 401 are separately connected the input terminal of the active electrode circuit unit 401 and radio communication circuit unit 404, the passive sensor circuit list
Member 402 is for output pressure detection signal and exports to the main control circuit unit 403, and the pressure detecting signal is sent to external electronic device by the radio communication circuit unit 404 to control the erasing operation of the electronic equipment by the main control circuit unit 403.
Specifically, as shown in figure 11, the active electrode circuit unit 401 includes active electrode 4011, subelement 4013 occurs for pressure detecting subelement 4012 and signal, in the touch panel of 4011 contacting electronic equipments of active electrode, the pressure detecting subelement 4012 detects the pressure of the active electrode 4011, when detecting pressure, it generates piezoelectric signal and is sent to the main control circuit unit 403, the main control circuit unit 403 sends a control signal to the signal generating unit 4013 after receiving piezoelectric signal, it controls the signal generating unit 4013 and generates electric signal, and the electric signal is emitted by the active electrode 4011, electronic equipment is when detecting the electric signal, click can correspondingly be executed or write operation.
It includes a Passive electrode (not identifying in figure) and a pressure sensitive sub-circuit unit (not identifying in figure) for coupling that the feeling of passivity, which answers circuit unit 402, the output end of the pressure sensitive sub-circuit unit connects the second input terminal of the main control circuit unit, wherein, the Passive electrode is used for the touch operation of analog subscriber finger, indicate position of the Passive electrode on touch panel, the operation for answering circuit unit 402 that can be wiped in the electronic device by the feeling of passivity, specifically, when the touch panel of Passive electrode contacting electronic equipments, the feeling of passivity answers circuit unit 402 to detect the pressure that the Passive electrode is subject to, and pressure sensing result is transmitted to the main control circuit unit 403, to confirm that the touch panel of Passive electrode and electronic equipment is in contact condition, the main control circuit unit simultaneously 403 send a control signal to radio communication circuit unit 404, it controls radio communication circuit unit 404 and the pressure sensing result is sent to electronic equipment, position coordinates to electronic equipment in the contact point for detecting Passive electrode and electronic equipment touch panel, and after receiving pressure sensing result, corresponding erasing operation is executed.
Specific pressure sensor can be used in the pressure sensitive sub-circuit unit, and the pressure sensor includes any one following: piezoresistive pressure sensor, capacitance pressure transducer, inductance pressure transducer and piezoelectric pressure indicator.
In a kind of scheme of the present embodiment, for resistance strain gage pressure sensor, the resistance strain gage of the resistance strain gage pressure sensor is fitted on the Passive electrode pressure sensor that the pressure sensitive sub-circuit unit uses.It is subjected to displacement or when deformation, correspondingly deformation occurs for resistance strain gage, can get corresponding pressure sensing result according to the resistance change of resistance strain gage when the Passive electrode is under pressure.
In another scheme of the present embodiment, the pressure sensitive sub-circuit unit includes a pressure sensing electrode, the pressure sensing electrode and Passive electrode form a capacitor, it is subjected to displacement or when deformation when the Passive electrode is under pressure, the pressure sensitive sub-circuit unit will obtain the capacitance or capacitance variations value of the capacitor, to obtain corresponding pressure sensing result.
In other schemes of the present embodiment, the pressure sensitive sub-circuit unit can also be using other kinds of pressure sensor, such as semiconductor gauge pressure sensor, piezoresistive pressure sensor, inductance pressure transducer etc..
In the present embodiment, as shown in figure 12, the capacitance pen control circuit further includes power supply circuit unit 405, the power supply circuit unit respectively with the active electrode circuit unit, feeling of passivity answers circuit unit, main control circuit unit, the connection of radio communication circuit unit, the transmittable control of the main control circuit unit 403 controls the power supply or power-off of power supply circuit unit 405, thus the opening and closing of controllable capacitance pen to power supply circuit unit 405.
Optionally, as shown in figure 13, the capacitance pen control circuit further includes a switching circuit unit 406, and the switching circuit unit 406 controls the power supply or power-off of power supply circuit unit 405, thus the opening and closing of controllable capacitance pen.
In the present embodiment, the governor circuit includes a control chip, and the radio communication circuit module includes a Bluetooth chip.
In some other examples, radio communication circuit unit can be replaced wire communication circuit unit.
In a further embodiment, the passive induction module and the described detachable installation of main body, or the detachable installation in part.In one example, the passive induction module is other than including pressure detector, it can also include individual wireless communication unit for being communicated with the governor circuit of the governor circuit of active pen or touchpad device, it goes out so that the pressure signal transmission that erasing is intended to will be represented, in this case, passive induction module can be used as the electronics erasing rubber mutually separated with capacitance pen.
The capacitance pen control circuit provided according to embodiments of the present invention, active electrode circuit unit is controlled by governor circuit and feeling of passivity answers circuit unit, the control that the active of the capacitor tip of the brushstyle of a writing or painting is write, passively wiped can be achieved, so that not needing to add additional active electrode transmit circuit using the capacitance pen of the circuit, circuit structure design can be simplified, product cost is saved, while reducing power consumption.
Obviously, embodiments described above is only that a part of the embodiment of the present invention gives presently preferred embodiments of the present invention instead of all the embodiments in attached drawing, but is not intended to limit the scope of the patents of the invention.The invention can be realized in many different forms, makes the disclosure of the present invention more thorough and comprehensive on the contrary, purpose of providing these embodiments is.Although the present invention is described in detail referring to the foregoing embodiments, it for coming for those skilled in the art, can still modify to technical solution documented by aforementioned each specific embodiment, or equivalence replacement is carried out to part of technical characteristic.All equivalent structures done using description of the invention and accompanying drawing content, are directly or indirectly used in other related technical areas, similarly within the invention patent protection scope.
Claims (16)
- A kind of capacitance pen system, which is characterized in that the capacitance pen system includes:One capacitance pen and an electronic equipment；Wherein, the capacitance pen includes active electrode module, passive induction module, the first control module and the first wireless communication module, and the active electrode module includes an active electrode, and the passive induction module includes a Passive electrode；The electronic equipment includes a touch location detection module, the second control module, the second wireless communication module and operation executing module；The touch location detection module detects the electric signal of the active electrode transmitting, and second control module determines the position coordinates of the active electrode Yu the electronic equipment contact point, and controls the operation executing module and execute writing or clicking operation；The touch of the touch location detection module detection Passive electrode, the position coordinates of Passive electrode Yu the electronic equipment contact point are determined by second control module, the passive induction module detects the pressure that the Passive electrode is subject to, first control module controls first wireless communication module and pressure sensing result is sent to the second wireless communication module, and it is transferred to second control module, second control module controls the operation executing module according to the position coordinates and pressure sensing result and executes erasing operation.
- Capacitance pen system according to claim 1, which is characterized in that the passive induction module includes such as one of lower pressure sensor: piezoresistive pressure sensor, capacitance pressure transducer, inductance pressure transducer and piezoelectric pressure indicator.
- Described in any item capacitance pen systems according to claim 1, which is characterized in that first wireless communication module and the second wireless communication module are bluetooth module.
- Capacitance pen system according to claim 1-3, it is characterized in that, whether the pressure value that first control module is also used to judge that the passive induction module detects is greater than preset threshold, when the pressure value detected is greater than preset threshold, the pressure sensing result is sent to the electronic equipment by first wireless communication module.
- Capacitance pen system according to claim 1-3, it is characterized in that, the capacitance pen further includes power supply module, first control module be also used to judge the active electrode and Passive electrode and the electronic equipment not in contact with duration whether be greater than preset threshold, when not in contact with duration be greater than preset threshold when, power supply module described in first control module is closed.
- A kind of capacitance pen, applied to the electronic equipment with touch panel, it is characterised in that, it include: a main body, it is mounted on the active electrode module of a body head, is mounted on the passive induction module of a body tail section, and is mounted on the control module of a body lumen, wireless communication module；The active electrode module includes an active electrode, and the active electrode is used to indicate the position on touch panel；The passive induction module includes a Passive electrode, for the touch operation of analog subscriber finger, is indicated in touch panel On position, and the pressure that the detection Passive electrode is subject to；The pressure sensing result that the passive induction module obtains is sent to the erasing operation that electronic equipment is used to control the electronic equipment by the control module control wireless communication module.
- Capacitance pen according to claim 6, which is characterized in that the passive induction module includes such as one of lower pressure sensor: piezoresistive pressure sensor, capacitance pressure transducer, inductance pressure transducer and piezoelectric pressure indicator.
- Capacitance pen according to claim 6, which is characterized in that the wireless communication module is bluetooth module.
- According to the described in any item capacitance pens of claim 6-8, which is characterized in that the capacitance pen further includes power supply module, and first control module controls the opening and closing of the power supply module.
- Capacitance pen according to claim 9, which is characterized in that the capacitance pen further includes a switch module, for controlling the opening and closing of the power supply module.
- Capacitance pen according to claim 6, which is characterized in that the passive induction module and the described detachable installation of main body.
- A kind of capacitance pen control circuit, it is characterized in that, the capacitance pen control circuit includes active electrode circuit unit, feeling of passivity answers circuit unit, main control circuit unit, radio communication circuit unit, the first input end of the main control circuit unit and the second input terminal are separately connected the active electrode circuit unit and feeling of passivity answers the output end of circuit unit, the first output end and second output terminal of the main control circuit unit are separately connected the input terminal of the active electrode circuit unit and radio communication circuit unit, the feeling of passivity is answered circuit unit to detect signal for output pressure and is exported to the main control circuit unit, the pressure detecting signal is sent to external electronic device by the radio communication circuit unit to control the erasing operation of the electronic equipment by the main control circuit unit.
- Capacitance pen control circuit according to claim 12, it is characterized in that, it includes a Passive electrode and a pressure sensitive sub-circuit unit for coupling that the feeling of passivity, which answers circuit unit, and the output end of the pressure sensitive sub-circuit unit connects the second input terminal of the main control circuit unit.
- Capacitance pen control circuit according to claim 12, which is characterized in that the radio communication circuit unit includes a Bluetooth chip.
- The described in any item capacitance pen control circuits of 2-14 according to claim 1, it is characterized in that, the capacitance pen control circuit further includes a power supply circuit unit, the power supply circuit unit is connect with main control circuit unit, and the main control circuit unit sends control signal and controls the power supply circuit unit power supply or power-off.
- Capacitance pen control circuit according to claim 15, which is characterized in that the capacitance pen control circuit further includes a switching circuit unit, and the switching circuit unit is connect with the power supply circuit unit, controls the power supply or power-off of the power supply circuit unit.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/078034 WO2018170871A1 (en) | 2017-03-24 | 2017-03-24 | Capacitance stylus system, capacitance stylus and capacitance stylus control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108934180A true CN108934180A (en) | 2018-12-04 |
| CN108934180B CN108934180B (en) | 2021-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780000199.XA Active CN108934180B (en) | 2017-03-24 | 2017-03-24 | Capacitance pen system, capacitance pen and capacitance pen control circuit |
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| Country | Link |
|---|---|
| CN (1) | CN108934180B (en) |
| WO (1) | WO2018170871A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112306267A (en) * | 2020-10-12 | 2021-02-02 | 安徽鸿程光电有限公司 | Active capacitance pen |
| CN112783339A (en) * | 2019-10-23 | 2021-05-11 | 翰硕电子股份有限公司 | Touch control pen structure |
| CN113268173A (en) * | 2021-03-15 | 2021-08-17 | 荣耀终端有限公司 | Touch control pen and electronic equipment assembly |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101782812A (en) * | 2010-02-05 | 2010-07-21 | 北京华育天成科技有限公司 | Self-powered intelligent whiteboard pen |
| US20110141067A1 (en) * | 2009-12-14 | 2011-06-16 | Sony Corporation | Information processing system and electronic pen |
| CN102213852A (en) * | 2010-04-09 | 2011-10-12 | 上海天马微电子有限公司 | Touch display device and method of manufacturing the same |
| US20120293425A1 (en) * | 2011-05-16 | 2012-11-22 | Samsung Electronics Co., Ltd. | Apparatus and method for supporting eraser function of digitizer pen in digitizer system |
| CN102866792A (en) * | 2012-08-20 | 2013-01-09 | 深圳市汇顶科技有限公司 | Touch pen, touch controller, touch detecting system and method thereof |
| US20140002422A1 (en) * | 2011-03-17 | 2014-01-02 | N-Trig Ltd. | Interacting tips for a digitizer stylus |
| KR20140022305A (en) * | 2012-08-14 | 2014-02-24 | 이섬규 | Stylus pen for mobile device |
| CN104951125A (en) * | 2014-03-28 | 2015-09-30 | 三星显示有限公司 | System and method for generating haptic feedback in stylus |
| US9213424B1 (en) * | 2013-09-23 | 2015-12-15 | Amazon Technologies, Inc. | Stylus devices with eraser |
| KR101595319B1 (en) * | 2014-11-13 | 2016-02-18 | (주)컴버스테크 | Electric pen for interactive board |
| CN205103788U (en) * | 2014-12-18 | 2016-03-23 | 苹果公司 | Touch -control pen with touch sensor |
| CN205103786U (en) * | 2015-10-16 | 2016-03-23 | 翰硕电子股份有限公司 | Capacitance pen with eraser |
| CN105814525A (en) * | 2013-12-20 | 2016-07-27 | 夏普株式会社 | A discriminative capacitive touch panel |
| CN105975105A (en) * | 2015-03-10 | 2016-09-28 | 联想（新加坡）私人有限公司 | Touch pen system and touch pen |
| CN106462266A (en) * | 2016-08-17 | 2017-02-22 | 深圳市汇顶科技股份有限公司 | Method of detecting input device and detection device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101910578B1 (en) * | 2012-11-09 | 2018-10-22 | 삼성전자주식회사 | Color optical pen for e-board or display |
| US9304609B2 (en) * | 2013-03-12 | 2016-04-05 | Lenovo (Singapore) Pte. Ltd. | Suspending tablet computer by stylus detection |
-
2017
- 2017-03-24 WO PCT/CN2017/078034 patent/WO2018170871A1/en active Application Filing
- 2017-03-24 CN CN201780000199.XA patent/CN108934180B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110141067A1 (en) * | 2009-12-14 | 2011-06-16 | Sony Corporation | Information processing system and electronic pen |
| CN101782812A (en) * | 2010-02-05 | 2010-07-21 | 北京华育天成科技有限公司 | Self-powered intelligent whiteboard pen |
| CN102213852A (en) * | 2010-04-09 | 2011-10-12 | 上海天马微电子有限公司 | Touch display device and method of manufacturing the same |
| US20140002422A1 (en) * | 2011-03-17 | 2014-01-02 | N-Trig Ltd. | Interacting tips for a digitizer stylus |
| US20120293425A1 (en) * | 2011-05-16 | 2012-11-22 | Samsung Electronics Co., Ltd. | Apparatus and method for supporting eraser function of digitizer pen in digitizer system |
| KR20140022305A (en) * | 2012-08-14 | 2014-02-24 | 이섬규 | Stylus pen for mobile device |
| CN102866792A (en) * | 2012-08-20 | 2013-01-09 | 深圳市汇顶科技有限公司 | Touch pen, touch controller, touch detecting system and method thereof |
| US9213424B1 (en) * | 2013-09-23 | 2015-12-15 | Amazon Technologies, Inc. | Stylus devices with eraser |
| CN105814525A (en) * | 2013-12-20 | 2016-07-27 | 夏普株式会社 | A discriminative capacitive touch panel |
| CN104951125A (en) * | 2014-03-28 | 2015-09-30 | 三星显示有限公司 | System and method for generating haptic feedback in stylus |
| KR101595319B1 (en) * | 2014-11-13 | 2016-02-18 | (주)컴버스테크 | Electric pen for interactive board |
| CN205103788U (en) * | 2014-12-18 | 2016-03-23 | 苹果公司 | Touch -control pen with touch sensor |
| CN105975105A (en) * | 2015-03-10 | 2016-09-28 | 联想（新加坡）私人有限公司 | Touch pen system and touch pen |
| CN205103786U (en) * | 2015-10-16 | 2016-03-23 | 翰硕电子股份有限公司 | Capacitance pen with eraser |
| CN106462266A (en) * | 2016-08-17 | 2017-02-22 | 深圳市汇顶科技股份有限公司 | Method of detecting input device and detection device |
Non-Patent Citations (1)
| Title |
|---|
| 杨辉: ""笔+触控界面中基于压力的交互技术的研究与设计"", 《中国优秀硕士学位论文全文数据库(信息科技辑)》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112783339A (en) * | 2019-10-23 | 2021-05-11 | 翰硕电子股份有限公司 | Touch control pen structure |
| CN112306267A (en) * | 2020-10-12 | 2021-02-02 | 安徽鸿程光电有限公司 | Active capacitance pen |
| CN112306267B (en) * | 2020-10-12 | 2022-03-29 | 安徽鸿程光电有限公司 | Active capacitance pen |
| CN113268173A (en) * | 2021-03-15 | 2021-08-17 | 荣耀终端有限公司 | Touch control pen and electronic equipment assembly |
| CN113268173B (en) * | 2021-03-15 | 2022-07-08 | 荣耀终端有限公司 | Touch control pen and electronic equipment assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018170871A1 (en) | 2018-09-27 |
| CN108934180B (en) | 2021-12-21 |
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