JPH09297656A - Electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily instruct arbitrary data displayed on a display device only through operations on the side of a data input device concerning electronic equipment for which an electronic computer provided with a data transmitting function is combined with the transmission type display device equipped with a data receiving function. SOLUTION: When any arbitrary position on the display screen of a liquid crystal display part 13 displaying a graph, for example, is designated by handwriting in the state of setting an electronic computer 11 and a display device 28 to the state of communication ON and setting the input mode of handwriting to a tablet 25 to a position designate mode, these handwriting position data are detected, an arrow mark P is synthetically displayed corresponding to the handwriting position, and correspondent coordinate data are displayed as well. Then, the handwriting position data detected by the computer 11 are transmitted to the display device 28, the arrow mark P is synthetically displayed corresponding to the received handwriting position data similarly to this computer even on its transmission type liquid crystal display part 29, and the correspondent coordinate data are displayed as well.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic device in which a data input device having at least a data transmitting function and a display device having a data receiving function are combined.

[0002]

2. Description of the Related Art Conventionally, functions, logarithms, square roots, derivatives,
An electronic calculator having a graph function function has been put into practical use as an electronic device that can perform various kinds of calculations such as integration and can display a graph according to input formula data.

On the other hand, an electronic computer having such a graph function function is provided with a transmission function and, for example, OH
A display device having a transmissive liquid crystal display screen instead of a sheet for P (Over Head Projector) is provided with a receiving function, and various calculation data and graph data handled by an electronic computer are transmitted to the display device. A data transmission / reception system that can be displayed and displayed on an OHP has been put into practical use.

According to such a data transmission / reception system, various data obtained according to the operation of the electronic computer can be easily sent to the display device and displayed on the OHP screen. The explanation is very efficient.

[0005]

However, in the conventional electronic computer and its display device used as the data transmission / reception system, the calculation formula input by the electronic computer, the calculation result thereof, or the drawn graph data is displayed. Send the contents of the calculation, such as display, to the display device, and
Although it can be displayed on the P screen in real time, for example, when pointing the data displayed on the OHP screen by the display device for convenience of explanation, the OHP screen can be displayed with a thin rod or the like as in the case of using the normal OHP. Must be instructed directly by.

That is, although the input data in the electronic computer can be displayed on the display device side by OHP display only by input operation to the computer, the operation such as pointing the display data can be performed on the display device side. However, for example, there is a problem that the transmission-type liquid crystal display screen or the OHP projection screen must be directly performed.

The present invention has been made in view of the above problems, and it is displayed on the display device only by the operation on the data input device side without the need for direct instruction operation on the display device side. It is an object of the present invention to provide an electronic device capable of easily instructing arbitrary data.

[0008]

That is, an electronic device according to claim 1 of the present invention is an electronic device comprising a data input device and a display device, and the data input device includes a display device having a display screen. A handwriting input means provided corresponding to the display area of the display means for detecting a handwriting position input by handwriting input; and a transmitting means for transmitting handwriting data indicating the handwriting position detected by the handwriting input means. The display device comprises a receiving means for receiving the handwritten data transmitted by the transmitting means of the data input device, and a display means for displaying a position corresponding to the handwritten data received by the receiving means. It is characterized by being prepared.

That is, in the electronic device according to claim 1,
When a handwriting operation is performed at an arbitrary display position on the display screen of the data input device, for example, with a finger, the handwriting position data is transmitted to the display device, and the display means of the display device displays the data on the data input device side. The position corresponding to the handwriting operation position is displayed.

The electronic equipment according to claim 5 of the present invention is an electronic equipment comprising a data input device and a display device, wherein the data input device comprises an input means for handwriting data and the input means. Display means for displaying according to the data input by handwriting, handwriting input means provided corresponding to the display area of the display means for detecting the handwriting position input by handwriting input, and input by the input means. And a transmitting unit for transmitting handwritten data indicating the handwritten position detected by the handwriting input unit, wherein the display device receives the handwritten data transmitted by the transmitting unit of the data input device. Means, a transparent display means for displaying according to the handwritten data received by the receiving means, and the transparent display means Hand, characterized by comprising a display control means for displaying a position corresponding to the handwritten data received by the receiving means.

That is, in the electronic device according to claim 5,
The display according to the data handwritten by the input means in the data input device is performed on the display means, and is also transmitted to the display device and is also displayed on the transmissive display means. Then, in response to any data displayed on the display means of the data input device, when a handwriting operation of the display position is performed by, for example, pointing, the handwriting data indicating the handwriting position is transmitted to the display device, The position corresponding to the handwriting operation position on the data input device side is displayed on the same display data as that on the data input device side displayed on the transmissive display means.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing an external configuration of an electronic computer and a display device according to an embodiment of an electronic device of the present invention. FIG. 1A is a front external view of the electronic computer, and FIG. 1B is a display device. FIG.

As shown in FIG. 1A, an electronic computer 1
1 has a size that a user can hold with one hand, a key input section 12 and a liquid crystal display section 13 are provided on the front surface of the computer body, and an upper end portion of the computer body is
A data communication unit 14 is provided. A transparent tablet 25 is superposed on the display screen of the liquid crystal display unit 13.

The key input unit 12 has a power source ON / OFF.
An "AC / ON" key 15 used to perform an operation and a clear operation of data input by a key, a numeric key 16 operated when inputting numerical data, and an arithmetic operation of addition, subtraction, multiplication and division. An operator key 17, an "EXE" key 18 operated when starting execution of a calculation process, a function key 19 operated when inputting various function symbols such as a trigonometric function, a logarithmic function, and a square function, and a display. Cursor keys "↑", "↓", "←", "→" 20, which are used when moving the cursor K or selecting data on the screen, and when specifying various functions in the graph display mode, etc. Function keys “F1” to “F6” 21 to be operated, and “SHIFT” to be operated when switching the input content of each key provided in the key input unit 12 to the content displayed above each key. Key 22, "Communication ON / OFF" key 23 used for ON / OFF operation of communication with the display device 28 via the data communication unit 14, handwriting input mode in the tablet 25 on the liquid crystal display unit 13 Various keys are provided, such as a "TOUCH" key 24 that is operated when switching between a drawing mode for drawing and displaying a locus of a handwriting position and a position designation mode for displaying a mark corresponding to the handwriting position.

On the other hand, as shown in FIG. 1B, the display device 28 has a transmissive liquid crystal display unit 29 having a size corresponding to an original transmissive area of an OHP (Over Head Projector) not shown. , "ON / O" is displayed on the lower front part outside the display screen.
A "FF" switch 30 is provided, and a data communication unit 31 for performing data communication processing with the data communication unit 14 of the electronic calculator 11 is rotatably provided on the upper portion of the front face.

FIG. 2 is a block diagram showing a configuration of an electronic circuit of the electronic computer 11. This electronic calculator 11
Includes a control unit (CPU) 32. Control unit (CP
U) 32 is a key operation signal input from the key input unit 12 or the tablet 25 superimposed on the liquid crystal display unit 13.
The control unit (CPU) 32 controls the operation of each part of the circuit according to a system program stored in advance in the ROM 33 which is activated in response to each handwriting position detection signal input from the position detection circuit 26. Is
Key input unit 12, tablet 25, position detection circuit 26,
In addition to the ROM 33, the data communication unit 14 including the transmission unit 34 and the reception unit 35 and the RAM 36 are connected, and the liquid crystal display unit 13 is connected via the display drive circuit 37.

The ROM 33 stores in advance a system program that governs the overall operation of the electronic computer 11, and also prestores subprograms that govern the operation in various modes such as the calculation mode and the graph mode. ,
An arrow ROM 44 described later with reference to FIG. 6 is incorporated.

The transmission section 34 of the data communication section 14 is provided with a transmission circuit 34a and a light emitting element 34b, and a control section (C
PU) 32 emits infrared light in accordance with transmission data provided from the PU) 32.
When the communication operation is turned on by the "OFF" key 23 and the calculation formula is keyed in, key data corresponding to the key operation is modulated by the transmission circuit 34a and transmitted and output as an infrared light emission signal via the light emitting element 34b.

The receiving section 35 of the data communication section 14 is provided with a receiving circuit 35a and a light receiving element 35b for receiving and receiving an infrared light emission signal from the outside (display device 28). When a signal corresponding to the key data is transmitted from the light receiving element 35b, a signal corresponding to the received OK code transmitted from the data communication unit 31 of the display device 28 is received and received by the light receiving element 35b as a response signal. The signal is demodulated via 35 a and given to the control unit (CPU) 32.

FIG. 3 shows the RAM 36 of the electronic computer 11.
It is a figure which shows the structure of the register with which it is equipped. RAM3
6, a display register 36a into which display data to be displayed on the liquid crystal display unit 13 is written as image data consisting of bitmap data, and a graph storage in which graph data corresponding to a function expression key-input in the graph mode is drawn and stored. The unit 36b, for example, a mode register 36 in which data handled in each mode such as calculation formula data and calculation result data input in the calculation mode and graph formula data input in the graph mode are independently stored.
c, a work area 36d for temporarily storing data input / output accompanying various control processes in the control unit (CPU) 32, and the like.

The RAM 36 stores the mode data indicating the set operation mode, the mode data register M1 and the "communication ON / OF" in the key input unit 12.
"1" when the communication operation is turned on by the "F" key 23
The tablet 2 is set by the operation of the "TOUCH" key 24 in the communication flag register F1 and the key input unit 12 which is set to "0" when it is turned off.
The handwriting input mode according to 5 is set to "0" in the drawing mode for drawing and displaying the locus of the handwriting position, and is set in the position designation mode for displaying the mark corresponding to the handwriting position. The handwriting flag register T1 set to "1" by the arrow mark, and the pattern number of the arrow mark pattern previously stored in the arrow ROM 44 (see FIG. 6) described later in the position designation mode accompanying the operation of the "TOUCH" key 24. A pattern number register N1 in which "1" to "8" is selectively set is provided.

FIG. 4 is a block diagram showing the configuration of the electronic circuit of the display device 28. The display device 28 includes a control unit (CPU) 38. Control unit (CPU) 38
Is a ROM in response to a key operation signal from the electronic calculator 11 received by the receiving unit 40 of the data communication unit 31 while the power is turned on by the ON / OFF switch 30.
The system program stored in advance in 39 is used to control the operation of each part of the circuit.
PU) 38 includes an ON / OFF switch 30 and a ROM 3
9, a data communication unit 31 including a receiving unit 40 and a transmitting unit 41, a RAM 42 are connected, and a transmissive liquid crystal display unit 29 is connected via a display drive circuit 43.

A system program for controlling the overall operation of the display device 28 is stored in the ROM 39 in advance, and like the ROM 33 of the electronic computer 11, the operation for each mode such as the calculation mode and the graph mode is performed. A subprogram to manage the information is also stored in advance, and an arrow ROM 44 described later with reference to FIG. 6 is also incorporated.

The receiving section 40 of the data communication section 31 is provided with a receiving circuit and a light receiving element (not shown) as in the receiving section 35 of the electronic computer 11, and is externally provided (electronic computer 1
1) receiving and receiving the infrared light emission signal from, for example, a signal corresponding to the key data transmitted from the transmitting unit 34 of the electronic calculator 11 is received and received by the light receiving element,
It is demodulated through the receiving circuit and given to the control unit (CPU) 38.

The transmission unit 41 of the data communication unit 31, like the transmission unit 34 of the electronic computer 11, is provided with a transmission circuit and a light emitting element (not shown), and a control unit (CPU) 38.
Infrared light is emitted in accordance with transmission data given from the electronic calculator 11 via the receiver 40, for example.
When a signal corresponding to the key operation from is received, the reception OK code as a response signal is modulated by the transmission circuit and is transmitted and output as an infrared light emission signal via the light emitting element.

FIG. 5 is a diagram showing a configuration of a register provided in the RAM 42 of the display device 28. In the RAM 42, a display register 42a in which display data to be displayed on the transmissive liquid crystal display unit 29 is written as image data composed of bitmap data, for example, calculation formula data input in a calculation mode and calculation result data thereof. COMP mode storage unit 42b for storing calculation data B for storing calculation data in binary, octal, and hexadecimal numbers
An ASE mode storage unit 42c, a work area 42d for temporarily storing data input / output accompanying various control processes in the control unit (CPU) 38, and the like are provided.

Further, the RAM 42 has a mode data register M2 in which mode data indicating a set operation mode is stored, and "communication ON / OF" in the electronic computer 11.
It is set to "1" when the communication operation is turned on in response to the reception of the key data corresponding to the operation of the "F" key 23.
Communication flag register F2 which is reset to "0" in the state of F, "TOUCH" in the electronic computer 11
A handwriting flag register T2 which is set to "0" in the drawing mode when the key data is received according to the operation of the key 24 and is set to "1" in the position designation mode. The position designation mode (T2 =
"1") arrow ROM 44 described later (see FIG. 6)
There is provided a pattern number register N2 in which the pattern numbers "1" to "8" of the arrow mark pattern stored in advance are selectively set.

FIG. 6 shows the ROM 33 of the electronic computer 11.
9A and 9B are diagrams showing a storage state of a mark pattern in an arrow ROM 44 provided in each of the ROM 39 of the display device 28.

In the arrow ROM 44, mark patterns indicating eight types of arrows having different pointing directions of 45 degrees are stored in advance in association with the respective pattern numbers N "1" to "8".

Next, the operations of the electronic calculator and the display device according to the embodiment of the electronic apparatus of the present invention having the above-mentioned configuration will be described. FIG. 7 is a flow chart showing the computer processing in the electronic computer 11.

FIG. 8 is a flow chart showing a touch display process accompanying the computer process of the electronic computer 11.
FIG. 9 is a flowchart showing the receiving process in the display device 28.

The arrow display process accompanying the reception process of the display device 28 shown in FIG. 9 is performed by the electronic computer 1 shown in FIG.
Since it is the same processing step as the arrow display processing included in the touch display processing of No. 1, the attachment of an independent drawing is omitted.

FIG. 10 is a view showing a handwriting operation display state (part 1) in the position designation mode on the electronic computer 11 and the display device 28. FIG. 11 is a view showing a handwriting operation display state (part 2) in the position designation mode on the electronic computer 11 and the display device 28.

FIG. 12 is a view showing a handwriting operation display state in the drawing mode on the electronic computer 11 and the display device 28. In the computer processing shown in FIG. 7, “communication ON / OF” in the key input unit 12 of the electronic computer 11 is executed.
When the "F" key 23 is operated, it is determined whether or not "0" is set in the communication flag register F1 in the RAM 36 (steps S1 → S2).

If it is determined in step S2 that "0" is set in the communication flag register F1 in the RAM 36, that is, if it is determined that the communication is off, "1" is set in the communication flag register F1 to set the communication ON state (steps S2 → S3).

In step S2, the RAM
If it is determined that "1" is set in the communication flag register F1 in 36, that is, if it is determined that the communication is in the ON state, the communication flag register F1 is set to "0". The communication is reset and set to the communication OFF state (steps S2 → S4).

By operating the "communication ON / OFF" key 23, "1" is set in the communication flag register F1 in the RAM 36.
Is set and the electronic computer 11 is set to the communication ON state, the key input unit 12 of the electronic computer 11 is set.
When the numerical key 16, operator key 17, or other command key is keyed in with the input operation of the calculation formula or the input operation of the graph data in (1), "1" is set in the communication flag register F1 in the RAM 36. It is determined that the key has been set, and the key data corresponding to the key input is transmitted from the transmission unit 34 of the data communication unit 14 (step S6).
→ S7 → S8).

Within a fixed time from the transmission of the key data,
When the signal of the reception OK code transmitted from the transmission unit 41 of the data communication unit 31 of the display device 28 is received by the reception unit 35 of the data communication unit 14 of the electronic computer 11, it corresponds to the key input. Processing is executed, for example, display processing of the input calculation formula on the liquid crystal display unit 13 and execution of calculation processing, calculation result display processing, graph data display processing, etc. are performed (steps S9 → S10, S).
5).

In step S9, if it is determined that the signal of the reception OK code from the display device 28 is not received within the fixed time from the transmission of the key data, it indicates a communication failure with the display device 28. An error message is displayed on the liquid crystal display unit 13 (steps S9 → S1).
9).

When the computer 11 is set to the communication OFF state, "0" is set in the communication flag register F1 in the RAM 36,
The transmission process of the key data is not executed, but the process corresponding to the key input by only the electronic computer 11 is executed (steps S7 → S10, S5).

On the other hand, in the receiving process of the display device 28 in FIG. 9, in the receiving part 40 of the data communication part 31 of the display device 28, the input operation of the calculation formula and the graph by the key input part 12 of the electronic calculator 11 are performed. When the key data accompanying the data input operation is received, a signal corresponding to the reception OK code is transmitted from the transmission unit 41 (step B
1 → B2, B3).

When it is determined that the key data received through the receiving unit 40 is the key data corresponding to the numeral keys 16, the operator keys 17 or other command keys, the electronic computer is operated. In the same manner as the processing in 11, the processing corresponding to the received key data is executed,
For example, display processing for the transmissive liquid crystal display unit 29 of the calculation formula input by the computer 11 and execution of calculation processing, display processing of calculation results, display processing of graph data, etc. are performed (steps B4 → B5, B6). .

That is, in accordance with the operation of the "communication ON / OFF" key 23 in the electronic computer 11, the computer 1
1 and the display device 28 are both set to communication ON, the numerical keys 16 and the operator keys 17 of the computer 11 or other command keys are selectively operated to display the calculation formula and to perform the calculation process. When the execution, the calculation result display processing, the graph data display processing, and the like are performed, the same display device 28 also operates in accordance with the key data transmitted from the electronic computer 11 and received by the display device 28. Display processing of calculation formulas, execution of calculation processing, display processing of calculation results,
Display processing of graph data, etc. is performed, and electronic computer 1
The display state of the liquid crystal display unit 13 of No. 1 and the display state of the transmissive liquid crystal display unit 29 of the display device 28 are the same.

Next, returning to FIG. 7, when the "TOUCH" key 24 in the key input section 12 of the electronic computer 11 is operated, it is judged whether or not "0" is set in the handwriting flag register T1 in the RAM 36. (Step S11 → S12).

In step S12, the RAM 36
When it is determined that "0" is set in the handwriting flag register T1 in the handwriting flag register T1, that is, when it is determined that the handwriting input mode by the tablet 25 is set to the drawing mode, the handwriting flag register T1 To "1"
Is set to switch to the position designation mode (steps S12 → S13).

Further, in step S12, RA
When it is determined that "1" is set in the handwriting flag register T1 in M36, that is, the tablet 25
When it is determined that the handwriting input mode by the handwriting input mode is set to the position designation mode, the handwriting flag register T
"1" is set to "0", and the drawing mode is set (steps S12 → S14).

Then, in the communication ON state in which "1" is set in the communication flag register F1 of the RAM 36,
It is determined that the key data corresponding to the “TOUCH” key 24 is transmitted from the transmission unit 34 and the reception OK code signal from the display device 28 is received by the reception unit 35 within a certain time after the transmission of the key data. Then, the step S
When "1" is set in the handwriting flag register T1 at 13, the handwriting input mode by the tablet 25 is set to the position designation mode, and the step S1 is performed.
When "0" is set in the handwriting flag register T1 in 4, the handwriting input mode by the tablet 25 is set to the drawing mode (steps S7 → S8, S9 →
S10).

On the other hand, in the receiving process of the display device 28 shown in FIG. 9, the receiving unit 40 of the data communication unit 31 of the display device 28 uses the "TOUC" of the electronic computer 11.
When the key data associated with the operation of the "H" key 24 is received, a signal corresponding to the received OK code is transmitted from the transmission unit 41 (steps B1 → B2, B3).

When it is determined that the key data received through the receiving section 40 is the key data of the "TOUCH" key 24, "0" is set in the handwriting flag register T2 in the RAM 42. In the drawing mode setting state, the handwriting flag register T2 is set to "1" to switch to the position designation mode (steps B7 → B8 → B9). Further, in the position designation mode setting state where "1" is set in the handwriting flag register T2 in the RAM 42, the handwriting flag register T is set.
"0" is set in 2 and the drawing mode is set and switched (steps B7 → B8 → B10).

Here, the tablet 2 of the electronic computer 11
The handwriting input mode by 5 is the position designation mode (T1, T
The operation of the computer 11 and the operation of the display device 28 associated with the handwriting input in the state where 2 = “1”) is set will be described.

When the electronic computer 11 and the display device 28 are both in communication ON state, a key operation is performed on the computer 11 side, for example, as shown in FIG.
The tablet 2 of the computer 11 with the graph data displayed on the transmissive liquid crystal display unit 29 of the display device 28.
When 5 is handwritten and an arbitrary position on the display graph is designated, the handwriting position data is given to the control unit 32 via the position detection circuit 26 in FIG. "1" is set in the communication flag register F1 inside the communication flag and it is determined that the communication is in the ON state, and the handwriting position data is transmitted to the transmitting unit 3.
4 (step S15 → S16 → S1)
7).

Then, when it is determined that the reception OK code signal from the display device 28 is received by the receiving section 35 of the electronic calculator 11 within a fixed time after the handwriting position data is transmitted, in FIG. The process proceeds to the touch display process (step S18 → SA).

When the touch display process in FIG. 8 is started, "1" is set in the handwriting flag register T1 in the RAM 36.
When it is determined that the position designation mode is set, the arrow mark P is displayed at the display position on the liquid crystal display unit 13 corresponding to the handwriting position data detected by the handwriting input of the tablet 25. It is determined whether or not it is on the display position (step A1 → A2).

In this step A2, if it is determined that the handwriting position data detected by the handwriting input of the tablet 25 is not on the display position where the arrow mark P is displayed, the arrow ROM 44 (see FIG. 6). Of the eight types of arrow mark patterns stored in
The arrow mark pattern corresponding to the pattern number (initial value "1") set in the pattern number register N1 in 6 is read out, and the handwriting position data is expanded and stored in the RAM 36 and displayed on the graph data. Is placed at the coordinate position corresponding to (step A2 → A
3, A4).

Here, if it is determined that there is no intersection (overlap) between the arrow mark pattern (“1” in this case) arranged corresponding to the handwriting position data and the graph data, the arrow mark pattern “1” is determined. 10 ”is combined with the display register 36a as display data indicating a position corresponding to the handwritten position data, and the coordinate data“ X = 1.9 ”and“ Y = 1.8926001 ”corresponding to the position data are displayed in FIG. As shown in A), it is displayed on the liquid crystal display unit 13 (steps A5 → A6, A7).

That is, in the state where the handwriting input mode by the tablet 25 is set to the position designation mode (T1 = "1"), the position of the position data manually input by the user at the arbitrary position on the liquid crystal display unit 13 is set. Correspondingly, the arrow mark P is displayed.

On the other hand, in the receiving process of the display device 28 shown in FIG. 9, when the receiving section 40 receives the handwriting position data transmitted by the handwriting operation in the electronic computer 11, it corresponds to the reception OK code. The signal to be transmitted is the transmitter 41
Is transmitted (step B1 → B2, B3).

Then, it is judged that the data received by the receiving section 40 of the display device 28 is the handwriting position data, and further, the handwriting flag register T2 in the RAM 42.
When it is determined that the position designation mode in which “1” is set is set, the process proceeds to the arrow display process in FIG. 8 and the graph data is displayed similarly to the touch display process in the electronic calculator 11. The arrow mark P corresponding to the handwritten position data is displayed on the transmissive liquid crystal display unit 29 (step B11 → B12 → BA).

That is, when the arrow display process (see FIG. 8) in the display device 28 is activated, the arrow mark P is displayed at the display position on the transmissive liquid crystal display unit 29 corresponding to the received handwriting position data. It is determined whether or not it is on the displayed position (step A2).

When it is determined in step A2 that the received handwriting position data is not on the display position where the arrow mark P is displayed, the eight types of arrows stored in the arrow ROM 44 (see FIG. 6). Of the mark patterns, the arrow mark pattern corresponding to the pattern number (initial value "1") set in the pattern number register N2 in the RAM 42 is read out, and is expanded and stored in the RAM 42 to be displayed on the graph data. At, the coordinate position corresponding to the handwritten position data is arranged (steps A2 → A3, A4).

Here, it is judged that there is no intersection (overlapping) between the graph data and (in this case, "1") in the portion other than the tip portion of the arrow mark pattern arranged corresponding to the handwriting position data. , The arrow mark pattern “1” is combined with the display register 42a as display data indicating the position corresponding to the handwriting position data, and the coordinate data “X = 1.
9 ”and“ Y = 1.8926001 ”together with FIG.
The image is displayed on the transmissive liquid crystal display unit 29 as shown in (Step A5 → A6, A7).

That is, the electronic calculator 11 and the display device 2
In the state where both 8 are set to the communication ON (F1, F2 = "1") and the handwriting input mode by the tablet 25 is set to the position designation mode (T1, T2 = "1"). , When the user performs a handwriting input operation at an arbitrary position on the liquid crystal display unit 13 on the computer 11 side,
The arrow mark P is displayed on the liquid crystal display unit 13 in correspondence with the position of the handwriting position data, and also in the display device 28, corresponding to the handwriting position data transmitted and received from the electronic calculator 11, A similar arrow mark P is displayed on the transmissive liquid crystal display unit 29.

Therefore, only by pointing operation on the liquid crystal display unit 13 on the electronic computer 11 side, the computer 11 can be operated.
The arrow mark P indicating the position corresponding to the pointing position is similarly displayed on the liquid crystal display unit 13 as well as on the transmissive liquid crystal display unit 29 of the display device 28.

In any of the touch display processing in the electronic computer 11 and the arrow display processing in the display device 28 (see FIG. 8), the steps A3 and A are performed.
4, when, for example, the arrow mark pattern corresponding to the pattern number “1” set in the pattern number register N is read from the arrow ROM 44 and arranged at the position corresponding to the handwritten position data on the graph development area. , If it is determined that there is an intersection (overlap) with the graph data in a portion other than the tip portion of the arrow mark pattern, the pattern number set in the pattern number register N is sequentially incremented by "+1" and updated, Arrow mark patterns whose directions are different by 45 degrees are sequentially read out and rearranged at a position corresponding to the handwritten position data on the graph development area to re-determine whether or not the graph data intersects (steps A5 → A8). , A9 → A3, A
4, A5).

Then, in the step A5, the corresponding display registers of the computer 11 and the display device 28 are used as the display data indicating the position corresponding to the handwriting position data where the arrow mark pattern determined not to intersect the graph data. 36a and 42a, and the coordinate data corresponding to the position data is displayed on the corresponding liquid crystal display units 13 and 29 (steps A5 → A6).
A7).

That is, for example, as shown in FIG.
Fig. 11 shows two graph data displayed.
As shown in (A), when the two graphs are operated by handwriting at positions close to each other, the arrow ROM 44 (see FIG. 6)
The arrow mark pattern (N = 5) that does not intersect with the graph data is selected and combined, and is displayed as shown in FIG. 11 (B).

It should be noted that all the arrow mark patterns "1" to "8" are obtained by repeating the steps A3 to A9.
When it is determined that there is an intersection with the graph data and the pattern number of the pattern number register N is updated to "9", the pattern number N is reset to the initial value "1" and the first arrow mark The pattern is read again and is combined in the display registers 36a and 42a with the intersection with the graph data, and is displayed on the liquid crystal display units 13 and 29 together with the coordinate data corresponding to the handwriting position data (steps A9 → A10). , A6, A7).

On the other hand, as shown in FIGS. 10 and 11, with the handwriting input operation in the electronic computer 11, the liquid crystal display unit 13 of the computer 11 and the transmissive liquid crystal display unit 29 of the display device 28 are compared with each other. When the handwriting operation is performed on the liquid crystal display unit 13 of the electronic calculator 11 corresponding to the displayed arrow mark P while the same arrow mark P is displayed, the tablet 25 detects the position through the position detection circuit 26. Since it is determined that the display position corresponding to the written handwritten position data is on the display position where the arrow mark P is displayed, the arrow mark P displayed corresponding to the handwritten position is erased and The displayed coordinate data is also deleted (steps A2 → A13, A1).
4).

That is, while the handwriting input mode for the tablet 25 is set to the position designation mode, the arrow mark P displayed together with the position coordinate data of the handwriting input operation for an arbitrary display position is pointed again. When the handwriting operation is performed with the arrow mark P, the arrow mark P is erased together with the coordinate data.

Next, the tablet 25 of the electronic calculator 11
The handwriting input mode by is the drawing mode (T1, T2 =
The operation of the computer 11 and the operation of the display device 28 associated with the handwriting input in the state of being set to “0”) will be described.

When the electronic computer 11 and the display device 28 are both in the communication ON state by a key operation on the computer 11 side, for example, as shown in FIG.
The tablet 2 of the computer 11 with the graph data displayed on the transmissive liquid crystal display unit 29 of the display device 28.
When 5 is handwritten and a drawing operation is performed at an arbitrary position on the display graph, handwriting position data corresponding to the drawing locus is given to the control unit 32 via the position detection circuit 26 in FIG. It is determined that R
"1" is set in the communication flag register F1 in the AM 36, it is determined that the communication is in the ON state, and the handwriting position data is transmitted from the transmitting unit 34 (step S
15 → S16 → S17).

When it is determined that the reception OK code signal from the display device 28 has been received by the receiving unit 35 of the electronic calculator 11 within a fixed time after the handwriting position data is transmitted, the process shown in FIG. The process proceeds to the touch display process (step S18 → SA).

When the touch display process in FIG. 8 is started, "0" is stored in the handwriting flag register T1 in the RAM 36.
When it is judged that the drawing mode is set to
The display dots of the liquid crystal display unit 13 corresponding to the handwriting position data corresponding to the drawing trajectory are lit and displayed, and the drawing line L thereof is displayed, which corresponds to the handwriting position data sequentially detected in accordance with the drawing operation. The coordinate data is sequentially updated and displayed (steps A1 → A11, A1).
2).

That is, in the state where the handwriting input mode by the tablet 25 is set to the drawing mode (T1 = “0”), the position data handwritten and input by the user performing a drawing operation on an arbitrary position on the liquid crystal display unit 13. A drawing line L corresponding to the drawing locus is displayed corresponding to the position of.

On the other hand, in the receiving process of the display device 28 in FIG. 9, when the handwriting position data transmitted along with the handwriting input by the drawing operation in the electronic computer 11 is received by the receiving unit 40, the reception is OK. A signal corresponding to the code is transmitted from the transmission unit 41 (steps B1 → B2).
B3).

Then, it is judged that the data received by the receiving section 40 of the display device 28 is the handwriting position data, and further, the handwriting flag register T2 in the RAM 42.
If it is determined that the drawing mode is set to "0", the transmission type liquid crystal display unit 29 according to the handwriting position data received in response to the drawing operation on the computer 11 side. The display dots are lit and displayed, as shown in FIG.
The drawing line L is displayed as shown in
The coordinate data corresponding to the handwritten position data sequentially received in accordance with the drawing operation is sequentially updated and displayed (steps B11 → B12 → B13, B6).

That is, the electronic calculator 11 and the display device 2
In the state where both 8 are set to the communication ON (F1, F2 = "1") and the handwriting input mode by the tablet 25 is set to the drawing mode (T1, T2 = "0"), The user selects the liquid crystal display 1 on the computer 11 side
When a drawing operation is performed by handwriting input at an arbitrary position on 3, the drawing line L is displayed on the liquid crystal display unit 13 in correspondence with the handwriting position data corresponding to the drawing trajectory, and the display device 28 displays the drawing line L. Also, the electronic calculator 1
A similar drawing line L is displayed on the transmissive liquid crystal display unit 29 corresponding to the handwritten position data transmitted and received from No. 1.

Further, by the same processing as described above, for example, as shown in FIG. 14, the user performs a drawing operation of a character or the like with the pen Q by handwriting input at an arbitrary position on the liquid crystal display unit 13 on the computer 11 side. Then, the handwritten character K is displayed on the liquid crystal display unit 13 in correspondence with the handwriting position data corresponding to the trajectory of the drawing, and is also transmitted and received from the electronic computer 11 on the display device 28. Corresponding to the handwritten position data, a similar handwritten character K is displayed on the transmissive liquid crystal display unit 29.

Therefore, only by pointing and drawing the liquid crystal display unit 13 on the electronic computer 11 side, the computer 11 can be operated.
The liquid crystal display unit 13 and the transmission type liquid crystal display unit 29 of the display device 28 also display the drawing line L, the handwritten character K and the like corresponding to the pointing handwriting locus.

Therefore, the electronic computer 11 having the above-mentioned configuration
According to the display device 28, the electronic computer 11 and the display device 28 are set to the communication ON state, and the handwriting input mode for the tablet 25 of the computer 11 is set to “TOUCH”.
With the key 24 operated to set the position specification mode,
For example, if an arbitrary position on the display screen of the liquid crystal display unit 13 where the graph data is displayed is handwritten and designated, the tablet 25 detects the handwritten position data, and the arrow mark P corresponds to the handwritten position. The combined display is made, and the corresponding coordinate data is also displayed. Then, the handwriting position data detected by the computer 11 is transmitted to the display device 28, and the transmission type liquid crystal display unit 29 of the display device 28 also corresponds to the received handwriting position data in the same manner as the electronic computer 11. Then, the arrow mark P is combined and displayed, and the corresponding coordinate data is also displayed.

Therefore, only by pointing operation on the liquid crystal display unit 13 on the electronic computer 11 side, the computer 11 can be operated.
The arrow mark P indicating the position corresponding to the pointing position can be similarly displayed on the liquid crystal display unit 13 as well as on the transmissive liquid crystal display unit 29 of the display device 28.

When the arrow mark P is combined and displayed, the pointing direction previously stored in the arrow ROM 44 is set to 4
From 8 types of arrow mark patterns that differ by 5 degrees,
A mark pattern that does not overlap with the already displayed data is selected and composited and displayed, so even with a simple pointing operation on the liquid crystal display unit 13 on the electronic computer 11 side, the arrow mark with the most legible angle is displayed. P is automatically selected so that both the liquid crystal display unit 13 on the computer 11 side and the transmissive liquid crystal display unit 29 of the display device 28 can be displayed.

Further, according to the electronic computer 11 and the display device 28 having the above-mentioned configuration, the electronic computer 11 and the display device 2 are provided.
8 is set to the communication ON state, and the handwriting input mode for the tablet 25 of the computer 11 is set to the “TOUCH” key 2
When 4 is operated to set the drawing mode and a handwriting input is performed by drawing an arbitrary position on the display screen of the liquid crystal display unit 13, the tablet 25 sequentially detects handwriting position data corresponding to the drawing locus. At the same time, the drawing line L corresponding to the handwriting position data is combined and displayed, and the coordinate data corresponding to the handwriting position is also displayed. Then, the handwriting position data corresponding to the drawing operation detected by the computer 11 is transmitted to the display device 28, and is also received by the transmissive liquid crystal display unit 29 of the display device 28 as in the case of the electronic computer 11. The drawing line L, the handwritten character K, etc. corresponding to the handwriting position data are combined and displayed, and the corresponding coordinate data is also displayed.

Therefore, only by pointing and drawing the liquid crystal display unit 13 on the electronic computer 11 side, the computer 11 can be operated.
The liquid crystal display unit 13 and the transmissive liquid crystal display unit 29 of the display device 28 can similarly display the drawing line L, the handwritten character K, and the like corresponding to the finger pointing drawing position.

In the above embodiment, the tablet 2 is used.
In the state where the handwriting input mode in 5 is set to the position designation mode, the arrow mark P is combined and displayed in correspondence with the position data of the pointing handwriting position on the liquid crystal display unit 13 of the computer 11. As shown in 13, the circle mark P1 may be combined and displayed in association with the position data of the pointing handwriting position.

FIG. 13 is a view showing the handwriting operation display state (part 3) in the position designation mode on the electronic computer 11 and the display device 28. That is, the electronic calculator 1
Corresponding finger pointing designation positions to the liquid crystal display section 13 of the computer 11 as well as to the transmissive liquid crystal display section 29 of the display device 28 by only pointing operation to the liquid crystal display section 13 on the first side. The circle mark P1 indicating the position to be turned on can be displayed in the same manner.

[0087]

As described above, according to the electronic apparatus of the first aspect of the present invention, when the handwriting operation is performed at an arbitrary display position on the display screen of the data input device, for example, by pointing the finger, the handwriting is performed. The position data is transmitted to the display device, and the display means of the display device displays the position corresponding to the handwriting operation position on the data input device side.

Further, according to the electronic apparatus of the fifth aspect of the present invention, a display corresponding to the data handwritten by the input means of the data input device is displayed on the display means and transmitted to the display device. It is also displayed on the transmissive display means. Then, in response to any data displayed on the display means of the data input device, when a handwriting operation of the display position is performed by, for example, pointing, the handwriting data indicating the handwriting position is transmitted to the display device, The position corresponding to the handwriting operation position on the data input device side is displayed on the same display data as that on the data input device side displayed on the transmissive display means.

Therefore, according to the present invention, it is not necessary to perform a direct instruction operation on the display device side, and only the operation on the data input device side makes it easy and easy to see arbitrary data displayed by the display device. It becomes possible to instruct.

[Brief description of drawings]

FIG. 1 is a diagram showing an external configuration of an electronic computer and a display device according to an embodiment of an electronic device of the present invention. FIG. 1A is a front external view of the electronic computer, and FIG. FIG.

FIG. 2 is a block diagram showing a configuration of an electronic circuit of the electronic computer.

FIG. 3 is a diagram showing a configuration of a register provided in a RAM of the electronic computer.

FIG. 4 is a block diagram showing a configuration of an electronic circuit of the display device.

FIG. 5 is a diagram showing a configuration of a register included in a RAM of the display device.

FIG. 6 is a ROM of the electronic calculator and an RO of a display device.
FIG. 6 is a diagram showing a storage state of mark patterns in an arrow ROM provided in each M.

FIG. 7 is a flowchart showing computer processing in the electronic computer.

FIG. 8 is a flowchart showing a touch display process accompanying the computer process of the electronic computer.

FIG. 9 is a flowchart showing a receiving process in the display device.

FIG. 10 is a view showing a handwriting operation display state (part 1) in the position designation mode in the electronic computer and the display device.

FIG. 11 is a view showing a handwriting operation display state (part 2) in the position designation mode in the electronic computer and the display device.

FIG. 12 is a view showing a handwriting operation display state (part 1) in a drawing mode on the electronic computer and the display device.

FIG. 13 is a diagram showing a handwriting operation display state (part 3) in the position designation mode on the electronic computer and the display device.

FIG. 14 is a diagram showing a handwriting operation display state (part 2) in the drawing mode on the electronic computer and the display device.

[Explanation of symbols]

 11 ... Electronic calculator, 12 ... Key input part, 13 ... Liquid crystal display part, 24 ... "TOUCH" key, 25 ... Tablet, 28 ... Display device, 29 ... Transmissive liquid crystal display part, 31 ... Data communication of display device Part, 44 ... Arrow ROM, F1, F2 ... Communication flag register, T1, T2 ... Handwriting flag register, N1, N2 ... Pattern number register, P ... Arrow mark, L ... Drawing line, P1 ... Circle mark, K ... Handwritten character .

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI Technical display location G09G 5/00 555 G06F 15/20 506A

Claims (10)

[Claims] 1. An electronic device comprising a data input device and a display device, wherein the data input device is provided corresponding to a display means having a display screen and a display area of the display means, and is input by handwriting input. The handwriting input means for detecting a handwriting position and the transmitting means for transmitting handwriting data indicating the handwriting position detected by the handwriting input means are provided, and the display device is transmitted by the transmitting means of the data input device. An electronic device comprising: a receiving unit that receives the handwritten data, and a display unit that displays a position corresponding to the handwritten data received by the receiving unit. 2. The electronic device according to claim 1, wherein the display unit of the display device is a transmissive display unit. 3. The transparent display means is a transparent display means including mark display means for displaying a mark indicating a position corresponding to the handwritten data received by the receiving means. The electronic device according to claim 2. 4. The mark display means is a mark display means having an overlap prevention means for displaying the mark so that the mark does not overlap other display data when the mark is displayed. Electronic device described. 5. An electronic device comprising a data input device and a display device, wherein the data input device comprises input means for handwriting input of data, and display means for displaying according to the data handwritten and input by the input means. A handwriting input unit provided corresponding to the display area of the display unit for detecting a handwriting position input by handwriting input; and data input by the input unit and a handwriting position detected by the handwriting input unit. The display device is configured to receive the handwritten data transmitted by the transmitting unit of the data input device, and the display device according to the handwriting data received by the receiving unit. And a transmission type display means for performing a display, and the reception means receives the transmission type display means. An electronic device comprising: a display control unit that displays a position according to handwritten data. 6. The display control means is a display control means for displaying a mark indicating a position corresponding to the handwritten data received by the receiving means on the transmissive display means. Item 5. The electronic device according to item 5. 7. The display control means includes a storage means for storing a plurality of mark patterns, a reading means for sequentially reading a plurality of mark patterns stored in the storage means, and a read means for reading the read mark means. A mark pattern is displayed on the transmissive display means as a mark indicating a position corresponding to the handwritten data received by the receiving means, and an overlap detecting means for detecting an overlap with other display data, A pattern for selecting a mark pattern whose overlap with other display data is not detected by the overlap detecting means and displaying it on the transmissive display means as a mark indicating a position corresponding to the handwritten data received by the receiving means. The electronic device according to claim 5, which is a display control unit including a selection display unit. 8. The data input device comprises: first storage means for storing a plurality of mark patterns together with identification data for identifying each pattern; and a plurality of mark patterns stored in the first storage means. And a display means for reading the mark pattern read by the read means as a mark indicating a position corresponding to the handwritten data detected by the handwriting input means by the display means. Detecting means for detecting the overlapping of the marks, selecting means for selecting a pattern of marks for which the overlapping of other display data is not detected by the detecting means, and identification data corresponding to the pattern of the marks selected by the selecting means. An identification data transmission unit for reading from the first storage unit and transmitting the identification data; The stage includes second storage means for storing a plurality of mark patterns together with identification data for identifying each pattern, identification data receiving means for receiving the identification data transmitted from the identification data transmitting means, and the identification data. Mark pattern reading means for reading the mark pattern corresponding to the identification data received by the receiving means from the second storage means, and the mark pattern read by the mark pattern reading means for the transmissive display means. On the other hand, the electronic device according to claim 5, further comprising a selection pattern display unit that displays a mark indicating a position corresponding to the handwritten data received by the receiving unit. 9. A coincidence detecting means for detecting coincidence between the handwritten data received by the receiving means and the position of the mark displayed on the transmissive display means, and the coincidence detecting means for receiving by the receiving means. And a erasing means for erasing the mark displayed on the display means when a match between the written handwritten data and the position of the mark displayed on the transparent display means is detected. The electronic device according to any one of claims 3, claim 4, claim 6, claim 7, and claim 8. 10. The electronic device according to claim 3, wherein said mark is an arrow or a circle. machine.