JP2752936B2 - Keyboard input control device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a keyboard input device, and more particularly to a keyboard input control device having a coordinate input in an information processing device such as a portable personal computer.

[0002]

2. Description of the Related Art Conventional coordinate input devices such as a mouse and a tablet are physically separate input devices. Therefore, when inputting coordinates, it is necessary to once release the hand from the keyboard. A coordinate input device in which a thumbball or a small tablet is arranged on a keyboard requires extra space on the keyboard. Further, in a coordinate input device that uses a keyboard instead of a coordinate input device, it is necessary for a user to switch between the function of the keyboard and the function of the coordinate input device.

[0003]

In the conventional coordinate input device, in the case of a mouse, when the user switches from the keyboard to the mouse, it is necessary to move the line of sight from the keyboard to the mouse or to move the hand from the keyboard to the mouse. .
As a result, there is a disadvantage that the input efficiency is reduced. Further, when a thumbball or a small tablet is arranged on the keyboard, there is a disadvantage that a larger space is required than when only the keyboard is arranged on the keyboard. Further, in a device using a conventional keyboard as a coordinate input device, it is necessary to switch between a keyboard function and a coordinate input function by a switch or the like, and there is a disadvantage that input efficiency is reduced.

SUMMARY OF THE INVENTION It is an object of the present invention to save space and reduce loss when switching between a keyboard input and a coordinate input as compared with a conventional coordinate input device by discriminating an action of a human touching or pressing a keyboard. An object of the present invention is to provide a keyboard input control device capable of performing input processing well.

[0005]

According to the present invention, there is provided a keyboard input control device for controlling input information from a keyboard having a plurality of keys. Has a sensor field for generating a key code when pressed and detecting a contact of a finger, and an output signal of this sensor field is taken in as coordinate data.

In the keyboard input control device of the present invention, each key sends a first signal for detecting that the key is touched or a second signal for detecting that the key is pressed, and outputs only the first signal. When transmitting, the coordinate data is taken in, and when only the first signal and the second signal or the second signal are sent, the key code is taken in.

Further, the keyboard input control device according to the present invention comprises a first processing unit for storing data indicating that a finger has touched a key, and a second processing unit for storing data indicating that a key has been pressed. A third processing unit that determines whether the finger is only touching the key or the key is pressed, and a fourth processing unit that sends out a key code when the finger is touched and pressed the key, And a fifth processing unit for positioning the mouse and transmitting the coordinate data when the finger is only touching the key.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described with reference to the drawings. FIG. 1 is a configuration diagram showing one embodiment of the present invention. In FIG. 1, a keyboard input control device 1 according to the present invention has a main memory 2, a mouse processing unit 3, a keyboard processing unit 4, and a timer 5, and a sensor field 7 (a sensor is generally Is connected to a keyboard 6 including a pressure-sensitive sensor and a sensor device for detecting a change in capacitance.

Further, the keyboard input control device 1 detects a touch of a finger on the keyboard with a sensor interrupt signal 101 and holds this event as flag information. A key press processing unit 82 that detects the signal 102 and holds this event as flag information, a key contact / press determination unit 83 that determines whether the keyboard is only touched by a finger or the keyboard is pressed, a finger touches the keyboard And a key code read signal 103 when the keyboard is pressed
Key code output processing unit 84 which obtains and returns it to the request source,
And a mouse coordinate output processing unit 85 that obtains a sensor position read signal 104 to position the mouse and returns coordinates to the request source only when the finger is touching the keyboard.

The main memory 2 has a flag storage area 86 including a flag 1 (initial value: 0) indicating a state in which a finger touches the keyboard and a flag 2 (initial value: 0) indicating a state in which the keyboard is pressed. , A position storage area 87 indicating the key position pressed in the sensor field 7 (previous position (initial value is center) and current position (initial value is center)), a time storage area holding the time from the timer 5 (initial value) = 1) 8
8. a coordinate storage area 89 for storing mouse coordinate information (coordinate X (initial value = 0) and coordinate Y (initial value = 0));
And a moving distance area (initial value = 0) 90 for holding the moving amount of the mouse.

FIG. 2 is a flowchart showing the operation of the key contact processing section 81. In the figure, when a finger touches a key having a sensor, the sensor field 7 causes the key contact processing unit 81 to generate a sensor interrupt signal 101. At this time, the key contact processing unit 81 stores 1 in the flag 1 of the flag storage area 86 (S11). Thereafter, a loop is performed for an arbitrary time (S12). The arbitrary time here means that when the keyboard user presses the keyboard, the operation of pressing the key after the finger touches the surface of the key always continues, so when the key is pressed from the time the key surface is touched It is the average time between And a key contact / press processing unit 8
Pass control to 3.

FIG. 3 is a flowchart showing the operation of the key press processing section 82. In the figure, when a key is pressed, the keyboard 6 sends a keyboard interrupt signal 1 to the key press processing unit 82.
02 is generated. If the flag 1 in the flag storage area 86 is 0, the key press processing section 82 transfers the control to the key code output processing section 84 (S13). If the flag 1 is 1, 1 is stored in the flag 2 and the process ends (S14).

FIG. 4 is a flowchart showing the operation of the key contact / press determination section 83. In the figure, the key contact / press determination unit 83 passes control to the key code output processing unit 84 when the flag 2 is 1, and when the flag 2 is 0,
The control is passed to the mouse coordinate output processing unit 85 (S15).

FIG. 5 is a flowchart showing the operation of the key code output processing section 84. In the figure, the key code output processing unit 84 acquires a key code from the keyboard 6 (S1).
6). Then, the key code is passed to the keyboard processing unit 4 and the process ends (S17).

FIGS. 6 and 7 show a mouse coordinate output processing unit 8.
5 is a flowchart showing the operation of Example 5. In the figure, first, the mouse coordinate output processing unit 85 reads a key code touched by a finger from the sensor field 7 and stores it in the current position of the position storage area 87 (S18). Then, the previous position and the current position are compared (S19), and if the values are the same, the flag 1 and the flag 2 are cleared, the timer 5 is reset, and the process ends (S20). If the values are different, the time is obtained from the timer 5 and the time is stored in the time storage area 88 (S21).

Next, the time storage area 88 is compared with an arbitrary time (the arbitrary time indicates a state where a certain amount of time has elapsed since the user last touched the keyboard), and the arbitrary time is compared. If the time storage area 88 is larger, it is determined that the user has released his / her hand from the keyboard, and control is transferred to S23 (S22). S23 sets the previous position of the position storage area 87 equal to the current position and sets S.
Transfer control to 20. Time storage area 88 from any time
If is smaller, the moving distance area 90 = arbitrary constant / time storage area 88 (where the arbitrary constant indicates the most suitable number for deriving the moving distance) is calculated (S24).

Next, if the previous position and the current position are compared and the movement is upward, the control is passed to S40 as coordinate Y = coordinate Y-movement distance area 90 of the coordinate storage area 89 (S25, S26). .

If the previous position and the current position are compared and the movement is in the upper right direction, coordinate Y = coordinate Y- (moving distance area 90 / 1.4) coordinate X = coordinate X + (moving distance area 90 / 1.4) Control is transferred to S40 (S27, S28).

If the previous position and the current position are compared and the movement is to the right, control is transferred to S40 as coordinate X = coordinate X + movement distance area 90 (S29, S30).

The previous position and the current position are compared, and if the movement is in the lower right direction, coordinate Y = coordinate Y + (moving distance area 90 / 1.4) coordinate X = coordinate X + (moving distance area 90 / 1.4) The control is shifted to S40 (S31, S32).

If the previous position and the current position are compared and the movement is in the downward direction, the control is transferred to S40 as coordinate Y = coordinate Y + moving distance area 90 (S33, S34).

If the previous position and the current position are compared and the movement is in the lower left direction, coordinate Y = coordinate Y + (moving distance area 90 / 1.4) coordinate X = coordinate X− (moving distance area 90 / 1.4) Control is transferred to S40 (S35, S36).

If the previous position and the current position are compared and the movement is to the left, control is transferred to S40 as coordinate X = coordinate X-movement distance area (S37, S38).

If the previous position and the current position are compared and the movement is in the upper left direction, coordinate Y = coordinate Y- (moving distance area 90 / 1.4) coordinate X = coordinate X- (moving distance area 90 / 1.4) ) And control is transferred to S40 (S39).

Next, previous position = current position, flag 1 =
0, flag 2 = 0, and further reset the timer 5 (S40).

Finally, the contents of the coordinate storage area 89 (coordinate X
And the coordinates Y) are passed to the mouse processing unit 3, and the processing of the mouse coordinate output processing unit 85 ends (S41).

[0027]

As described above, the keyboard input control device of the present invention outputs a coordinate input when the user touches the keyboard, and outputs a key code when the keyboard is pressed. In comparison with the coordinate input device, space saving is realized, and loss at the time of switching between keyboard input and coordinate input is reduced, so that input processing can be performed efficiently.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing one embodiment of the present invention.

FIG. 2 is a flowchart showing the operation of a key contact processing unit.

FIG. 3 is a flowchart showing the operation of a key press processing unit.

FIG. 4 is a flowchart showing the operation of a key contact / press determination unit.

FIG. 5 is a flowchart showing the operation of a key code output processing unit.

FIG. 6 is a flowchart (1) showing the operation of a mouse coordinate output processing unit.

FIG. 7 is a flowchart (2) showing the operation of the mouse coordinate output processing unit.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Keyboard input control device 2 Main memory 3 Mouse processing unit 4 Keyboard processing unit 5 Timer 6 Keyboard 7 Sensor field 81 Key contact processing unit 82 Key press processing unit 83 Key contact / press judgment unit 84 Key code output processing unit 85 Mouse coordinate output Processing unit

Claims (3)

(57) [Claims] 1. A keyboard input control device for controlling input information from a keyboard having a plurality of keys,
An arbitrary number of keys among the plurality of keys generate a key code when pressed, and have a sensor field for detecting finger contact, and take in an output signal of the sensor field as coordinate data. Keyboard input control device. 2. The keyboard input control device according to claim 1, wherein each key transmits a first signal for detecting that the key is touched or a second signal for detecting that the key is pressed.
When only the first signal is transmitted, coordinate data is captured, and when only the first signal and the second signal or the second signal are transmitted, a key code is captured. Keyboard input control device. 3. A first processing unit for storing data indicating that a finger has touched a key, a second processing unit storing data indicating that a key has been pressed, and only a finger touching a key. Or a third processing unit for determining whether a key is pressed, a fourth processing unit for sending a key code when the finger is touched and pressed, and a fourth processing unit for sending a key code when the key is pressed. And a fifth processing unit for positioning the mouse and transmitting coordinate data.