JP2731019B2 - Card type input device - Google Patents

Description

The present invention relates to a card-type input device incorporating a microprocessor and an identification device.

(B) Prior Art The prior art of Japanese Utility Model Application Laid-Open No. 58-94065 discloses a card with a built-in microprocessor which has a display mechanism and allows stored information to be directly viewed from the outside. In addition, JP 63
The prior art described in Japanese Patent Application Laid-Open No. 12051 describes a card which has a key input mechanism in addition to a display mechanism and which can input information and select menus. These cards can directly display stored information, input information, etc., even without a device other than a card such as a card reader.
There is no need to carry the reading device, and it is excellent in portability.

However, cards equipped with such a key input mechanism are suitable for inputting and selecting limited information such as numerical values, but the number of keys is limited due to the size of the card, and various types of characters such as characters are used. Entering information is very difficult. Also, it is difficult to input a line drawing such as writing a memo by operating the keys.

On the other hand, in an identification device using a conventional card, the user of the card is identified in advance by a several-digit personal identification number or password magnetically recorded on a memory inside the card or on the surface of the card. However, anyone who knows the password and the password can use such a card, and therefore, a specific person cannot be recognized only by the above identification.

(C) Problems to be Solved by the Invention The present invention has been made in view of the above circumstances, and allows direct and easy input of line drawing and input of various types of information such as characters on a card. So that the first
Technical issues.

In addition, a second technical object of the present invention is to identify a user of a specific card.

(D) Means for Solving the Problems In order to solve the first and second problems, the present invention provides a coordinate input unit, a detection unit for detecting handwriting drawn by handwriting on the coordinate input unit, A card-type input device comprising: a communication terminal for outputting coordinate input information such as characters and graphics based on a detection output to an external device; and a control unit that controls the information output by the communication terminal. A storage unit that stores information about handwriting input by handwriting in the unit, and a determination unit that compares and determines handwriting previously stored in the storage unit and information about handwriting input to the coordinate input unit thereafter. The control unit allows or suppresses information output by the communication terminal based on a determination result by the determination unit.

Further, in such a card-type input device, the communication terminal includes a terminal for inputting information from an external device, and the control unit allows / suppresses information input from the external device based on a determination result by the determination unit. It is characterized by doing.

(E) Function As described above, according to the present invention, data such as characters and figures can be easily input by writing on a card with a pen or the like, and writing is performed by providing means for recognizing writing data. Characters, figures, etc. can be easily input with the corresponding code information.

Further, the input data can be exchanged through the communication connector, the connection operation of the connector can be easily performed due to the card-shaped shape, and the portability is excellent.

Furthermore, a specific handwriting is stored in advance, and a specific handwriting can be identified by performing identification with input handwriting data.

(F) Example Hereinafter, the present invention will be described with reference to FIGS.
5 and FIG. 7 showing the embodiment of FIG. 2 and FIG.

FIG. 1 is a front view of a card according to one embodiment of the present invention. In the figure, (1) is a transparent pressure-sensitive sheet for inputting coordinates (hereinafter referred to as a transparent pressure-sensitive sheet), (2) is a liquid crystal panel,
As shown in FIG. 2, the pressure-sensitive sheet (1) and the liquid crystal panel (2) overlap, and under these, a control board (hereinafter referred to as a control board) (3) for controlling the operation of the present apparatus is provided. It has a stacked configuration. (4) is a communication connector, which is provided on the side surface of the present apparatus as shown in FIG. (5a) to (5e) are function-specific instruction areas displayed on the liquid crystal display panel (2).

FIG. 4 shows a configuration diagram of the card of the present invention. On the control board (3) described above, a CPU (3a), a coordinate reading circuit (3b), a display control circuit (3c), a communication control circuit (3d),
A memory (3e), a battery (3f), and a communication connector (4) are mounted. The memory (3e) includes a ROM and a RAM, and the ROM stores a program for controlling the operation of the device. The RAM is used for work at the time of executing a program, and is used for storing input data.

The battery (3f) is used for driving each of the control circuits (3a) to (3e) and for backing up the RAM.

The coordinate reading circuit (3b) includes a pen (hereinafter referred to as a pen) for inputting coordinates on the transparent pressure-sensitive sheet (1).
The display control circuit (3c) controls the liquid crystal display panel (2). The communication control circuit (3d) is a communication connector (4)
Is a control circuit for transmitting and receiving data to and from an external device such as a data reading device via the.

The CPU (3a) uses the pen position [P (x, y)] received from the coordinate reading circuit (3b) so that the coordinates of the transparent pressure-sensitive sheet (1) and the liquid crystal panel (2) correspond to each other. The coordinate is converted to the coordinate system of the display panel (2). Thus, if a pen is written on the transparent pressure-sensitive sheet (1), a handwriting is displayed at the position where the pen is written, and the transparent pressure-sensitive sheet (1)
Is transparent, the display, that is, the handwriting can be seen.

Thus, the CPU (3a) constantly monitors in which of the above areas the pen is located, and performs processing based on the indication of the area where the pen is located. First, the user designates an input instruction area (5b), and writes characters and the like with a pen to enter the input area (5b).
When writing in a), handwriting is detected by the transparent pressure-sensitive sheet (1), displayed on the liquid crystal display panel (2), and input to the memory (3e). FIG. 1 shows a state where "Today is written" with a pen in the input area (5a). Erase instruction area for erasing input handwriting (5c)
Is specified with the pen and the area to be erased is specified in the input area of (5a), and the display of the specified area is erased. Also,
When the user designates the previous page designation area (5d) and the next page designation area (5e), the previous page and the next page of the currently displayed page are displayed, respectively, and the displayed page can be input. In this way, the input data is output to an external data reading device via the communication connector (4). In the above embodiment, the transparent pressure-sensitive sheet (1) and the liquid crystal panel (2) are arranged in this order from the top, but an electromagnetic induction type tablet is used instead of the transparent pressure-sensitive sheet (1), and the liquid crystal panel is placed from the top. Alternatively, an electromagnetic induction type tablet may be used in this order.

FIG. 5 is a perspective view of a card-type input device according to a second embodiment of the present invention. In the figure, (6) is a liquid crystal display panel,
(7) is a pressure-sensitive sheet for inputting coordinates. The configuration of the second embodiment is basically the same as that of the first embodiment, but differs in the following points. That is, in the second embodiment, the pressure-sensitive sheet (7) and the liquid crystal display panel (6) do not overlap, and therefore, the pressure-sensitive sheet (7) is not transparent as in the first embodiment. You may.

The input portion of the pressure-sensitive sheet (7) is not limited to the pressure-sensitive sheet as in this embodiment, as long as it has a mechanism for detecting the position of an input pen, such as an electromagnetic induction type tablet. You may. (7a) to (7j) are pressure-sensitive sheets (7)
This is the instruction area for each function printed above.

By writing a character with a pen in the first input area (7a) or the second input area (7b) for writing a character, the program stored in the built-in memory (4e) can be read. The program for recognizing handwriting operates, the written character is recognized, and the recognition result (character) is displayed at the cursor position on the liquid crystal panel (6). When the writing area changes to another area, such as writing in the first input area (7a) and then writing in the second input area (7b), it is determined that the writing of one character is completed. Start a program that recognizes For example, after writing in the second input area (7b), write in the first input area (7a), or write a part of the pressure-sensitive sheet other than the second input area (7b) with a pen. If the instruction is given, the character written in the second input area (7b) is recognized. FIG. 6 shows a state in which the cursor is located at the left end position of the liquid crystal display panel (6). And the result is displayed on the liquid crystal display panel (6), indicating that the cursor is moving to the position (8). When the first designated area (7c) is designated, one character is inserted at the cursor position, and when the second designated area (7d) is designated, one character at the cursor position is deleted. Third designated area (7e), fourth designated area (7f)
Indicates the currently displayed page,
Display the first line of the previous page or the next page. When the fourth designated area (7g), the fifth designated area (7h), the sixth designated area (7i), and the seventh designated area (7i) are designated, respectively, right, upper, left, and lower are designated. Move the cursor in the direction. Hereinafter, an example of use of the card-type input device of the present invention will be described. FIG. 7 is a diagram showing the contents of data input to the present invention, and transmitting the data to a facsimile connected to the telephone line, a host computer, or the like via a telephone line;
Also, a telephone device having a function of receiving data from a host computer and recording the data in the card-type input device is shown. In the figure, (9) is a receiver, (10) is a telephone card slot, (11) is a telephone card slot, (1)
2) is a card-type input device connection port, (13) is a display, (1)
4) is a dial button, and (15) is an instruction button for instructing connection of a card-type input device. When making a voice call, the user operates in the same manner as in a conventional telephone card phone.

Normally, the card-type input device connection port (12) is closed, and when the instruction button (15) is pressed, the connection port (12) is closed.
Is to open. Then, after connecting the card-type input device (16) to the connection port (12), insert the telephone card (17) into the telephone card insertion port and specify the telephone number of the host computer with the dial button (14). The contents stored in the card type input device are automatically transmitted to the host computer. The display (13) displays the remaining amount of the telephone card used, the data transmission state of the card-type input device, and the like. When the communication with the host computer or the like is completed, the display (13) indicates that the communication has been completed, and when the button (15) is pressed again, the card-type input device (16) is connected to the card-type input device. It is taken out of the mouth (12) and the telephone card (17) is inserted into the outlet (11).
To come out.

Characters, graphics, drawing data is input by hand using the card-type input device of the present invention, and if the data is transmitted to a host computer or a fax machine at a remote place by the above-described telephone device, data can be easily input, Communication is possible. For example, even when a telephone call cannot be made during a meeting or the like, a memo can be recorded on the card-type input device of the present invention, and the memo content can be transmitted to the other party within a short time when the card is empty. If a character string representing a command for controlling the host computer is registered in the card-type input device of the present invention, the host computer can be easily controlled from a remote place using the telephone device.

Further, a handwriting pattern unique to a specific person, such as a signature, is stored in advance in a memory built in the card of the present invention. Then, when a signature is input from the coordinate input unit on the card, the input signature is identified based on the stored characteristic points of the handwriting pattern, the handwriting speed, the writing pressure, and the like.

As a result of the identification, if it is determined that the signature is the same person, communication with the external device is permitted.If the signature is determined to be a different person, communication is disabled. Is performed by the CPU inside the device.

Further, it is also possible to register a plurality of human signatures, and to output different data for each signature identification.

(G) Effects of the Invention According to the present invention, data such as characters and figures can be input by writing on a card with a pen or the like. further,
The input data can be exchanged through the communication connector, and the connection operation of the connector can be easily performed because of the card-type shape, so that it is excellent in portability and can easily transmit various kinds of information. Input can be performed, and the input information can be easily supplied to an external device.

Also, by storing a specific handwriting and identifying it with the input handwriting data, it becomes possible to identify the specific handwriting, which is higher in security in card use than when using a password or password. Security can be obtained.

[Brief description of the drawings]

FIG. 1 is a top view of a card-type input device according to a first embodiment of the present invention, FIG. 2 is an exploded perspective view showing a configuration of the card-type input device of the present invention, and FIG. FIG. 4 is a block diagram of the card-type input device of the present invention, FIG. 5 is a perspective view of the card-type input device of the second embodiment of the present invention, and FIG. 7 is a top view of a card-type input device according to a second embodiment of the present invention, and FIG. 7 is a schematic view of a card-type input device telephone showing an example of use of the card-type input device of the present invention. 1 ... Transparent pressure-sensitive sheet for coordinate input, 2 ... Liquid crystal display panel, 3 ... Control board, 3a ... CPU, 3b ... Coordinate reading circuit, 3c ... Display control circuit, 3d ... Communication control circuit 3e…
... Memory, 3f ... Battery, 4 ... Communication connector, 5a ~ 5e
... Indicating area, 6... Display panel, 7... Coordinate inputting transparent pressure-sensitive sheet, 7 a, 7 b... Input area, 7 c to 7 j.

Claims (2)

(57) [Claims] 1. A coordinate input section, a detection section for detecting handwriting drawn by handwriting on the coordinate input section, and communication for outputting coordinate input information such as characters and graphics based on the detection output to an external device. A terminal, and a card-type input device including a control unit that controls the information output by the communication terminal, a storage unit that stores information about handwriting input by handwriting to the coordinate input unit, A determination unit that compares and determines handwriting stored in advance and information related to the handwriting that is subsequently input to the coordinate input unit, wherein the control unit, based on a determination result by the determination unit,
A card-type input device, wherein information output by said communication terminal is permitted / suppressed. 2. The communication terminal includes a terminal for inputting information from an external device, and the control unit allows / suppresses information input from the external device based on a determination result by the determination unit. The card-type input device according to claim 1, wherein