JP2005322194A - Touch panel type character inputting method and its control module - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a touch panel type character inputting method or its control module. <P>SOLUTION: In one kind of touch panel type character inputting method, the control module identifies a moving track generated by an object on a handwriting board, provides the moving track for subsequent use of an input function, and combines a plurality of moving directions and movement distances in different directions. In the control module, a parameter sourcebook for comparison is defined, a first contact position on the handwriting board is detected and set as a start position when the object is brought into contact with the handwriting board. Whether the moving track on the handwriting board is valid is determined, the moving track is broken down into at least one moving direction and movement distance if valid, and an invalid moving track is filtered if invalid. The obtained moving direction and movement distance are combined, the combined moving direction and movement distance are analyzed, the moving direction and movement distance are mutually compared with the parameter sourcebook defined in the control module, and a comparison result is outputted if they coincide with each other. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a touch panel type character input method and its control module. In particular, the present invention relates to a touch panel type character input method that uses a combination of movement trajectories defined by a kind of start position and movement direction as a character input function or its control module.

Known touch panels include a capacitor type, an electric resistance type, an electromagnetic type, a pressure type, an inductance type, a surface acoustic wave (SAW) type, an ultrasonic type, an optical type and the like based on the physical principle of detecting a contact point. Commonly seen are the electric resistance type and the capacitor type, which are mainly applied to consumer electronic products such as notebook PCs, tablet PCs, and PDAs. The method of use is to move the stylus or fingers on the touch panel to perform handwriting of characters or a click function like a mouse.
The touch panel board input method includes a method of controlling the relative coordinate of the movement of the mouse cursor according to the distance between the relative positions, or an absolute coordinate that provides a handwriting input function to draw a picture to the user. There is a method input method. For identification of the handwriting input function, there is a method in which the difference between the coordinates of the handwritten character point and the reference character point is calculated and identified, as shown in US Pat. No. 4,284,975. This method is mainly based on a method of calculating an expected value of the distance between points. The method of obtaining the difference is mainly based on a handwritten movement trajectory based on the coordinate position movement distance of the coordinates, which is calculated by a method of calculating an expected value of the distance between the points. It is very complicated.

The known structure has the following drawbacks.
The method of calculating and identifying the difference between the coordinates of the known handwritten character point and the reference character point is mainly the method of calculating the expected value of the distance between the points, and the method of obtaining the difference is mainly the movement of the handwritten character The trajectory is calculated based on the coordinate position movement distance of the coordinates, which is calculated by a method of calculating the expected value of the distance between the points, and the processing is very complicated.
The present invention provides a touch panel type character input method or a control module thereof that solves the problems of the above structure.

In order to solve the above problems, the present invention provides the following touch panel type character input method or its control module.
It is mainly easy to process, and by defining the movement trajectory by the start position and the movement direction, the touch panel type character input method or its control which improves the disadvantage that the calculation processing of the known input method is very complicated. Module,
The touch panel type character input method of the present invention mainly detects a movement locus generated by an object on a handwriting board by a control module, and provides a control signal generated by a combination of different movement loci for use in a subsequent input function to the server. The touch panel type character input method includes the following steps:
Combining multiple travel directions and travel distances in different directions, defining a parameter collection that can be used for comparison in the control module,
When the object and the handwriting board come into contact with each other, the first contact point position on the handwriting board is detected and set as a start position,
It is determined whether or not the movement trajectory generated on the handwriting board is valid. If it is valid, the movement trajectory is decomposed into at least one movement direction and a movement distance, and if it is not valid, the invalid movement trajectory is filtered. ,
Combining the movement direction and the movement distance obtained above, the object and the handwriting board are not in contact with each other, and after a certain time has passed,
Analyze the moving direction and moving distance after combination, compare it with the parameter data set defined in the control module, and if they match, output the comparison result to the server,
The control module of the present invention is electrically connected to a handwriting board and a server, and is used to identify different movement trajectories that occur when an object moves on the handwriting board. Provided for use in input functions, the control module includes a coordinate processor unit, a storage unit, an arithmetic unit, a transmission interface,
The coordinate processor unit is electrically connected to the handwriting board, receives a movement trajectory on the handwriting board, and converts to a coordinate parameter corresponding to each other,
The storage unit has a collection of parameter materials used for comparison in advance,
The arithmetic unit is electrically connected to the coordinate processor unit and the storage unit, sets a first contact point position on the handwriting board as a start position, and moves in different movement directions to the start position of the movement locus. The coordinate parameter received by the coordinate processor unit is decomposed into a movement direction and a movement distance, combined with each other, and compared with the parameters stored in the parameter data collection and matched. The control signal corresponding to the character is output,
The transmission interface is a touch panel type character input method or its control module, which is electrically connected to the server and the arithmetic unit and transmits a control signal generated by the arithmetic unit to the server.

  As described above, the touch panel type character input method of the present invention mainly sets the position of the first contact point on the handwriting board as the start position P1 by the control module of the present invention, and the coordinate parameter received by the coordinate processor unit as the moving direction. After the invalid movement trajectory is filtered, the start position P1 is made to correspond to the effective movement direction and the movement distance as a rule of judgment, and the parameter data concentration is stored in advance and each storage unit 62 is stored. The character parameters combining the moving direction and moving distance are compared with each other. Finally, a control signal 601 corresponding to the gesture is output. For this reason, the present invention is not a method of calculating the difference between the coordinates of the character point and the reference point so far and comparing them, but the touch panel type character input method of the present invention defines the movement locus by the start position and the movement direction. It has the advantage that it is simpler in terms of processing, and can solve the problem that the calculation at the time of processing of the known input method is complicated.

As shown in FIG. 1, the touch panel type character input method of the present invention mainly sets the position of the first contact point by a finger 2 or an object on a handwriting board (not shown) as the start position P1. In this embodiment, the first contact point position of the finger 2 or object on the surface of the handwriting board is regarded as the start position, and if the finger 2 or the object moves on the handwriting board, the scheduled time of the system is exceeded. The control signal is continuously transmitted until the finger 2 or the object leaves the handwriting board.
In this embodiment, the start position P1 is not limited to a single position on the surface of the handwriting board. Therefore, if the definition of the start position P1 is met, the movement is made from the start position P1 in any direction of the vertical direction, the horizontal direction, or the oblique direction. If the start position P1 is the center, the outer peripheral angle r at the time of movement is within a certain range. In the present embodiment, the movement that occurs at an arbitrary angle between 15 degrees and 60 degrees is interpreted as an effective control operation for the first time. Further, when the position movement distance S of the movement of the finger 2 or the object on the handwriting board is detected and it is determined that the distance exceeds a predetermined distance, it is interpreted as an effective control operation for the first time.

As shown in FIG. 2, when the position movement distance S ′ value is too small at the start of movement and does not reach the planned distance, it is interpreted as an invalid control operation. However, if the subsequent position movement distance S exceeds the predetermined distance, it is interpreted as an effective control operation, and the system enters a subsequent identification process.
Next, as shown in FIG. 3, the touch panel type character input method of the present invention combines the different movement directions such as the heel direction, the horizontal direction, or the diagonal direction and the movement distances 401 to 408, and defines a parameter data collection that can be compared. . Among them, the definition of each moving direction and moving distance is as follows. The moving direction and moving distance 401 are leftward, and the moving direction and moving distance 402 are rightward. The moving direction and moving distance 403 are upward, and the moving direction and moving distance 404 are downward. The moving direction and moving distance 405 are northwest, and the moving direction and moving distance 406 are northeast. The moving direction and moving distance 407 are southwest, and the moving direction and moving distance 408 are southeast. Furthermore, each moving direction and moving distance can also define and use other suitable angles and directions, and are not limited to the above eight directions.

Further, as shown in FIGS. 3 and 4, if the handwritten numeral “1” is taken as an example, the system analyzes the movement trajectory 501 at the time of movement, and the movement direction and the movement distance 404 that is stored in the parameter data concentration. If there is a match, it interprets the number “1” and outputs it.
Taking the handwritten number “2” as an example, the system resolves the movement trajectory 502 to 504 at the time of movement, and matches the combination of the movement direction and the movement distance 402, 407, 402 that is stored in the parameter data concentration. If so, it interprets the number “2” and outputs it.
Taking the handwritten English letter “A” as an example, the system resolves the movement trajectory 520 to 522 at the time of movement, and matches the combination of movement direction and movement distance 407, 408, 402 that is stored in the parameter data concentration. If so, it reads and outputs the letter “A”.
Taking the handwritten English letter “B” as an example, the system resolves the movement trajectories 523 to 525 at the time of movement. Among them, the movement trajectory 523 matches the movement direction and the movement distance 404 stored in the parameter data concentration, and the movement trajectory 524 matches the combination of the movement direction and the movement distances 402, 408, 407, 401 stored in the parameter data concentration. If the movement locus 525 matches the combination of the movement direction and the movement distances 402, 408, 407, 401 stored in the parameter data concentration, the English letter “B” is read and output. Other characters or codes can be identified based on this method.

As shown in FIG. 5, the control module 6 of the present invention includes a coordinate processor unit 61 that is electrically connected to the handwriting board 3, a storage unit 62 having a parameter material collection used for comparison, a coordinate processor unit 61, and a storage unit 62. An arithmetic unit 63 electrically connected between them and a transmission interface 64 electrically connected between the arithmetic unit 63 and the server 4 are provided.
The handwriting board 3 is a general capacitor type, electric resistance type, electromagnetic type, pressure type, inductance type, surface acoustic wave (SAW) type, ultrasonic type, optical touch panel device.
The server 4 is an electronic device such as a computer, a mobile phone, or a PDA in which general character input software is installed.
The operation of the coordinate processor unit 61 of the control module 6 receives the movement trajectory of the finger 2 or the object on the handwriting board 3 and converts it into coordinate parameters 501 corresponding to each other.
The operation of the arithmetic unit 63 is as follows. The position of the first contact point on the handwriting board 3 is set as the start position P1, and the coordinate parameter received by the coordinate processor unit 61 is converted into a movement direction and a movement distance. Next, after filtering the invalid movement trajectory, the effective movement direction and the movement distance are associated with the start position P1 as a determination rule. Further, the storage unit 62 storing the parameter data concentration in advance and the character parameter combining each moving direction and moving distance are compared with each other. Finally, a control signal 601 corresponding to the operation is output. The transmission interface 64 converts the control signal 601 generated by the arithmetic unit 63 into a signal usable by the server 4 and transmits it to the server 4 for use.

FIG. 6 shows an execution process of the touch panel type character input method of the present invention.
In step 701, first, the movement locus of the object on the handwriting board is detected, and the position of the first contact point on the handwriting board is set as the start position P1. Next, the process proceeds to step 702, where time measurement is started to determine whether or not the scheduled time T1 is exceeded. If it is within the scheduled time T1, the process proceeds to step 703. In step 703, the invalid movement locus of the object on the handwriting board is filtered. If the scheduled time T1 is exceeded and it is detected in step 704 that the time when the objects do not touch each other on the handwriting board exceeds T2, it is determined that the input of one character has been completed.
Subsequently, the process proceeds to step 705, where the character movement trajectory is decomposed into different movement directions and movement distances, and in step 706, the movement direction and movement distance after the decomposition are combined. In step 708, the character parameters preliminarily stored in the parameter material concentration are compared with each other, and in step 709, it is determined whether or not the character parameters coincide with the character parameters previously stored in the parameter material concentration. If there is a match, the process proceeds to step 710, where the matching character is output. If not, the process proceeds to step 711 where it is determined that the user needs to input again because the input is incorrect. If it is necessary to input the next character, steps 701 to 711 are repeated.

The touch panel type character of the present invention, in which the position of the first contact point on the surface of the handwriting board of the finger is regarded as the start position P1, the outer peripheral angle r is within a certain range during movement, and the movement that occurs is interpreted as an effective control operation. It is an Example instruction | indication figure of the input method. Because the position movement distance S 'value is too small, the planned distance is not reached and the control action that is interpreted as invalid, and the subsequent position movement distance S exceeds the planned distance, the control action that is interpreted as valid It is an instruction figure to explain. It is an instruction figure explaining the parameter data collection used for the comparison defined along the movement direction and movement distance of various directions. FIG. 5 is an instruction diagram illustrating a combination state matching various moving directions and moving distances with handwritten characters “1”, “2”, “A”, and “B” as examples. It is a circuit block chart explaining the control module of this invention. It is a flowchart explaining the step of this invention touch-panel type character input method.

Explanation of symbols

2 fingers
3 Handwriting board
4 server
401-408 Movement direction and distance
501 ~ 504, 520 ~ 525 Trajectory
6 Control module
61 Coordinate processor unit
62 Storage unit
63 Arithmetic unit
64 Transmission interface
701 to 711 steps
P1 Start position
r angle
S, S 'position travel distance

Claims (7)

It is mainly a kind of touch panel type character input method, it detects the movement trajectory caused by the object on the handwriting board by the control module and provides the control signal generated by the combination of different movement trajectories to the server for subsequent input functions, The touch panel type character input method includes the following steps:
A) Combining multiple movement directions and movement distances in different directions, defining a parameter collection that can be used for comparison in the control module,
B) When the object and the handwriting board come into contact with each other, detect the first contact point position on the handwriting board, set it as a start position,
C) It is determined whether or not the movement trajectory generated on the handwriting board is valid, and if it is valid, the movement trajectory is decomposed into at least one movement direction and a movement distance. Filtered,
D) Combining the movement direction and movement distance obtained in step C), the process proceeds to step E) after a certain time has passed without the object and the handwriting board being in contact with each other,
E) Analyzing the moving direction and moving distance after combination, comparing the parameter data set defined in the control module with each other, and outputting a comparison result to the server if they match. Touch panel type character input method or its control module. In step C), it is determined whether or not the effective movement trajectory is generated on the handwriting board, and only when the movement is generated with the outer peripheral angle within a certain range centered on the start position. The touch panel type character input method according to claim 1 or a control module thereof. 3. The touch panel type character input method or a control module thereof according to claim 2, wherein the angle is an arbitrary angle of 15 to 60 degrees. 3. The touch panel type character according to claim 2, wherein in step C), the position movement distance at which the object moves on the handwriting board is detected, and if it is determined that the planned distance is exceeded, it is regarded as an effective operation. Input method or its control module. 2. The touch panel type character according to claim 1, wherein in step A), the moving direction and the moving distance in different directions defined in the parameter data collection are any one of a vertical direction, a horizontal direction, and an oblique direction. Input method or its control module. Mainly a kind of control module, electrically connected to the handwriting board and server, used to identify the different movement trajectory that occurs when the object moves on the handwriting board, and the control signal resulting from the combination of different movement trajectories to the server Provided for use in handwriting input function, the control module includes a coordinate processor unit, a storage unit, an arithmetic unit, a transmission interface,
The coordinate processor unit is electrically connected to the handwriting board, receives a movement trajectory on the handwriting board, and converts to a coordinate parameter corresponding to each other,
The storage unit has a collection of parameter materials used for comparison in advance,
The arithmetic unit is electrically connected to the coordinate processor unit and the storage unit, sets a first contact point position on the handwriting board as a start position, and moves in different movement directions to the start position of the movement locus. The coordinate parameter received by the coordinate processor unit is decomposed into a movement direction and a movement distance, combined with each other, and compared with the parameters stored in the parameter data collection and matched. The control signal corresponding to the character is output,
The touch panel type character input method or its control module, wherein the transmission interface is electrically connected to the server and the arithmetic unit and transmits a control signal generated by the arithmetic unit to the server. 7. The touch panel type character input method or control module according to claim 6, wherein the moving direction and the moving distance in different directions defined by the parameter data collection are any one of a vertical direction, a horizontal direction and an oblique direction. .

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