CN202995627U - Optic sensing input device - Google Patents
Optic sensing input device Download PDFInfo
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- CN202995627U CN202995627U CN 201220711544 CN201220711544U CN202995627U CN 202995627 U CN202995627 U CN 202995627U CN 201220711544 CN201220711544 CN 201220711544 CN 201220711544 U CN201220711544 U CN 201220711544U CN 202995627 U CN202995627 U CN 202995627U
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- optical sensing
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Abstract
The utility model discloses an optic sensing input device comprising an input device and an image sensing module. The image sensing module is arranged on the top surface of the input device and comprises an image sensor and a light source. Light rays ejected from the light source form a virtual sensing area within a preset range above the top surface of the input device. When some light rays in the virtual sensing area are reflected by objects used for sensing gestures in the air, lighting changing signals can be used for analyzing gestures in-the-air touching position information through the image sensor and a signal processing unit, and corresponding gestures in-the-air touching position information signals can be calculated.
Description
Technical Field
The present invention relates to an input device, and more particularly to an input device capable of controlling gesture actions through space sensing.
Background
According to the development and progress of the present technology, the computer device has become an indispensable and convenient tool for the public to live or work, however, the computer device must be connected to the input device, such as: the mouse, touch pad, track ball and other pointer input devices can only execute the control of the window interface of the computer equipment.
Upon examination, the applicant of the present application developed and applied for approval: the patent of mouse structure (Taiwan patent certificate number: M377639) with multi-finger touch on surface mainly comprises a touch top cover, a capacitance induction conductor layer, a circuit board and a base; the touch control top cover is provided with a plurality of virtual key areas formed by the capacitance sensing conductor layer, so that a key signal of capacitance sensing potential change can be generated when a finger touches the virtual key areas. However, the user needs to touch the capacitive sensing conductive layer when operating, which causes some inconvenience in use and needs to be improved.
In addition, the applicant of the present application also developed and applied for approval: the patent of the key type optical pointer device (Taiwan patent certificate number: M315865) mainly includes: the rectangular substrate is fixedly arranged on a keyboard circuit board, and two symmetrical clamping pieces are arranged on the substrate; an optical chip, fixed on the substrate and comprising: a light source, a photosensitive component and a direction and distance calculating component; and a hollow key frame, which comprises a top light-transmitting plate and two lateral clamping slot holes, so that the key frame is assembled and fixed on the substrate; when the light source obliquely irradiates the bottom surface of the light-transmitting plate and a reflecting object is arranged on the top surface of the light-transmitting plate, a first optical path from the light source to the object and returning to the photosensitive assembly is established, and the photosensitive assembly records an interference pattern signal of a first corresponding position according to the first optical path; when the reflecting object is moved, a second optical path is established, and the photosensitive assembly records an interference pattern signal of a second corresponding position according to the second optical path; then, the direction and distance calculating component calculates the correct moving direction and distance of the object so as to enable a pointer to move a corresponding direction and distance on a screen. However, the manufacturing cost is higher due to more structural components, and the touch range is smaller, and the user needs to touch the top surface of the transparent plate during operation, which causes some inconvenience in use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the present invention is to provide an optical sensing input device to solve the inconvenient and less shortcoming of operating range of the input device touch mode among the prior art.
In order to solve the above problem, the present invention provides an optical sensing input device, including: an input device for inputting control operation signals; and an image sensing module arranged on the top surface of the input device, wherein the image sensing module comprises an image sensor and a light source, and light projected by the light source forms a sensing area in a predetermined range around the top surface of the input device.
Preferably, the image sensing module is electrically connected to a signal processing unit, and is configured to receive the light and shadow change signal detected by the image sensor and process and analyze the gesture space touch coordinate information to calculate a corresponding gesture touch command signal.
Preferably, the system further comprises a switch unit, a signal detection unit and a signal transmission unit; the signal detection unit is electrically connected with the input device and the signal processing unit and is used for identifying an operation signal of the input device and a gesture air-separating touch control instruction signal; the switch unit is electrically connected with the signal detection unit and has the function of switching and selecting the operation mode; the signal transmission unit is electrically connected with the signal detection unit and is used for receiving the input device operation signal or the gesture air touch command signal and transmitting the input device operation signal or the gesture air touch command signal to a computer host.
Preferably, the image sensor is a CMOS image sensor having a wide-angle image capturing function.
Preferably, the light source is an infrared light emitting diode.
Preferably, the input device is a mouse.
Preferably, the input device is a keyboard.
Preferably, the input device is a touch pad.
Compared with the prior art, the utility model discloses an optical sensing formula input device has following beneficial effect: when the air-spaced sensing object reflects part of light in the sensing area, a light and shadow change signal is generated, the gesture touch coordinate information is analyzed through the image sensor and the signal processing unit, and then a corresponding air-spaced touch coordinate instruction signal is calculated.
Drawings
Fig. 1 is a block diagram of an optical sensing input device according to the present invention.
Fig. 2 is a perspective view of the optical sensing input device according to the first embodiment of the present invention, showing the state that the image sensing module is disposed on the top surface of the mouse.
Fig. 3 is a perspective view of the optical sensing input device according to the second embodiment of the present invention, showing the state that the image sensing module is disposed on the top surface of the keyboard.
Description of the main reference numerals:
an input device
101
A keyboard
20. Image sensing module
Signal processing unit
Signal detection unit
Switching unit
Signal transmission unit
Host computer
Detailed Description
The utility model relates to an optical sensing formula input device, it is shown with reference to the first embodiment that shows fig. 1 and fig. 2 at first to cooperate, the utility model discloses an optical sensing formula input device includes: an input device 10, an image sensing module 20, a signal processing unit 21, a signal detection unit 30, a switch unit 40 and a signal transmission unit 50; wherein,
the input device 10, a mouse 101 is used to input cursor control operation signal;
the image sensing module 20, which is assembled at a suitable position on the top surface of the mouse 101 of the input device 10, includes an image sensor and a light source (not shown in the figure), wherein the light source is a light emitting diode LED, and when the interference of other daily lights is avoided, it preferably uses invisible lights, such as infrared rays or far infrared rays, and the light projected by the light source forms a virtual sensing area within a predetermined distance range around the top surface of the mouse 101, when the air-isolated sensing object (such as a finger) reflects part of the light of the virtual sensing area, the utility model utilizes the light source receiving and reflecting technology, so that it will affect the light shadow intensity change signal subsequently received by the image sensor of the image sensing module 20, i.e. because the position of the reflected part of the light (such as the parameters of horizontal distance, vertical height and light angle) will result in the light shadow change signal, then, the received image sensing signal is transmitted to the signal processing unit 21, and the touch coordinate information of the gesture space sensing action is analyzed through signal processing operation, so as to calculate a corresponding touch coordinate instruction signal; particularly, the image sensor is a CMOS image sensor and has a wide-angle image capturing function;
the signal detection unit 30, which is electrically connected to the input device 10 and the signal processing unit 21, is used for identifying a cursor operation signal of the input device and identifying a gesture space touch command signal;
the switch unit 40, which is electrically connected to the signal detection unit 30 and has a function of switching and selecting the control operation mode or the idle touch mode of the input device 10, when the switch unit 40 is switched to the control operation mode of the input device 10, the signal detection unit 30 selects and samples the cursor operation signal of the input device 10 and transmits the cursor operation signal to the signal transmission unit 50; when the switch unit 50 is switched to the idle touch mode, the signal detection unit 30 selects a sampling gesture idle touch signal and transmits the signal to the signal transmission unit 50;
the signal transmission unit 50 is electrically connected to the signal detection unit 30, receives the operation signal or the gesture space sensing touch signal of the input device 10, and transmits the operation signal or the gesture space sensing touch signal to a computer host 60, so that the operation signal or the gesture touch signal of the input device 10 is processed by the signal of the computer host 60 and displayed on a computer screen. Therefore, the signal transmission unit 50 can be a wireless Bluetooth (Bluetooth) transmitter or a wired USB (universal serial bus) transmitter, and the related electronic components are all electrically connected to a battery (not shown in the figure), which is not described herein since it belongs to the prior art.
With reference to fig. 3, the input device 10 according to the second embodiment of the present invention is a keyboard 102 for inputting a word signal, an image sensing module 20A is disposed at a proper position on a top surface of the keyboard 102, and light projected by the image sensing module 20A forms a virtual sensing region in a predetermined range above the top surface of the keyboard 102, so as to detect a gesture space touch operation signal in the sensing region, and a switch of a switch unit 40 is used to select a key mode or a space sensing touch mode, so as to achieve dual usage effects of elastic keys of the keyboard and gesture space touch.
The characteristic structure and specific functions of the present invention are briefly described as follows: the utility model discloses an optical sensing formula input device, it belongs to the input device who has gesture and separates empty response touch-control effect, and it borrows to have the function of response object (like the finger) to separate empty displacement touch-control signal by this image sensing module 30 to utilize a switch unit 40 to switch over the selection mode of operation, in order to reach the result of use that has simultaneously and separate empty touch-control and input keyboard signal.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.
Claims (8)
1. An optical sensing input device, comprising:
an input device for inputting control operation signals; and
the image sensing module is arranged on the top surface of the input device and comprises an image sensor and a light source, wherein light rays projected by the light source form a sensing area in a preset range around the upper part of the top surface of the input device.
2. The optical sensing input device as claimed in claim 1, wherein the image sensing module is electrically connected to a signal processing unit for receiving the light and shadow variation signal detected by the image sensor and processing and analyzing the gesture space touch coordinate information to calculate the corresponding gesture touch command signal.
3. The optical sensing input device of claim 2, further comprising a switch unit, a signal detection unit and a signal transmission unit; the signal detection unit is electrically connected with the input device and the signal processing unit and is used for identifying an operation signal of the input device and a gesture air-separating touch control instruction signal; the switch unit is electrically connected with the signal detection unit and has the function of switching and selecting the operation mode; the signal transmission unit is electrically connected with the signal detection unit and is used for receiving the input device operation signal or the gesture air touch command signal and transmitting the input device operation signal or the gesture air touch command signal to a computer host.
4. The optical sensing input device of claim 1, wherein the image sensor is a CMOS image sensor with wide angle image capturing.
5. The optical sensing input device of claim 1, wherein the light source is an infrared light emitting diode.
6. The optically-sensitive input device of claim 1, wherein the input device is a mouse.
7. The optical sensing input device of claim 1, wherein the input device is a keyboard.
8. The optical sensing input device of claim 1, wherein the input device is a touch pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220711544 CN202995627U (en) | 2012-12-20 | 2012-12-20 | Optic sensing input device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220711544 CN202995627U (en) | 2012-12-20 | 2012-12-20 | Optic sensing input device |
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| Publication Number | Publication Date |
|---|---|
| CN202995627U true CN202995627U (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220711544 Expired - Lifetime CN202995627U (en) | 2012-12-20 | 2012-12-20 | Optic sensing input device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759737A (en) * | 2014-01-17 | 2014-04-30 | 深圳市凯立德欣软件技术有限公司 | Gesture control method and navigation device |
| CN105573563A (en) * | 2016-01-29 | 2016-05-11 | 努比亚技术有限公司 | Mobile terminal and method for touch operation on mobile terminal |
| CN108694913A (en) * | 2018-06-21 | 2018-10-23 | 昆山龙腾光电有限公司 | A kind of terminal device and its running parameter adjusting method |
-
2012
- 2012-12-20 CN CN 201220711544 patent/CN202995627U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103759737A (en) * | 2014-01-17 | 2014-04-30 | 深圳市凯立德欣软件技术有限公司 | Gesture control method and navigation device |
| CN105573563A (en) * | 2016-01-29 | 2016-05-11 | 努比亚技术有限公司 | Mobile terminal and method for touch operation on mobile terminal |
| CN105573563B (en) * | 2016-01-29 | 2020-11-13 | 南京投知科技有限公司 | Mobile terminal and method for realizing touch operation on mobile terminal |
| CN108694913A (en) * | 2018-06-21 | 2018-10-23 | 昆山龙腾光电有限公司 | A kind of terminal device and its running parameter adjusting method |
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Granted publication date: 20130612 |
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| CX01 | Expiry of patent term |