JPH0855070A - Communication terminal card - Google Patents

Abstract

PURPOSE:To provide a communication terminal card which can be carried and is independently operated and is connected to a public telephone outdoors to enable a user to read data, which he wants, through a telephone line. CONSTITUTION:The communication terminal card consists or a terminal 16 for communication, a MODEM 10C, a display part 10F, a control part 10B, and an operation part 10E. The terminal 16 for communication is, for example, a modular jack to be connected to a telephone line 30, and the MODEM 10C modulates data transmitted/received through the telephone line 30 from a digital signal to an analog signal or demodulates it from an analog signal to a digital signal, and the display part 10F displays data, and the control part 10B controls transmission/reception operation or data displayed on the display part 10F, and the operation part 10E gives an instruction to the control part 10B to perform the operation. The communication terminal card is provided with a memory 10A, where data is stored, and is preferably provided with a connector 11 and an interface part 10D for connection to a personal computer.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a communication terminal card, and more particularly to a communication terminal card capable of reading desired data by using a telephone line by connecting to a public telephone while going out.

[0002]

Hitherto, by inserting a PC card with a modem function to the personal computer (PC), that the data communications using a telephone line is being performed, it is well known. For example, if a person in Osaka wants to receive certain data from a data bank in Tokyo, he or she inserts the PC card into a personal computer installed in an office in Osaka and connects the PC card to a telephone line. As a result, the data accumulated in the data bank in Tokyo is input to the personal computer installed in the office in Osaka through the telephone line.

[0003]

[Problems to be Solved by the Invention]

(1) It is difficult to carry. In order to perform data communication, the conventional PC card must be inserted in the personal computer as described above. That is, the conventional PC card can perform data communication only in cooperation with the personal computer. Therefore, when this PC card is used outside the room, the personal computer must also be taken outside. However, it is obviously difficult to actually carry a PC card with a personal computer. Therefore, for example, by connecting a PC card to a public telephone while out of the house, as described above, even if an attempt is made to receive the data stored in the data bank, it is impossible without a personal computer at the same time. (2) It cannot be used alone. As described above, the conventional PC card has a modem function and an interface function for connecting to a personal computer. However, since it does not have a display function or an operation function, it cannot be used by itself. Due to the above (1) and (2), the conventional PC card does not operate independently as a communication terminal, and you can read the data you want using the telephone line by connecting to a public telephone while you are out. I can't.

An object of the present invention is to provide a communication terminal card which can be carried, operates independently, and can read desired data by using a telephone line by connecting to a public telephone while going out. It is in.

[0005]

In order to solve the above problems, according to the present invention, (A) a communication terminal 16 connected to a telephone line 30 and (B) a transmission / reception via the telephone line 30. A modem 10C for modulating data from a digital signal to an analog signal or demodulating an analog signal to a digital signal, and (C) a display section 10F for displaying the data.
And (D) a control unit 10B that controls a transmission / reception operation of data displayed on the display unit 10F, and (E) the control unit 10B.
The technical means of a communication terminal card, which is characterized by comprising an operation unit 10E for giving an instruction to operate the device, was taken.

[0006]

Therefore, according to the configuration of the present invention, if the communication terminal card 10 is connected to the public telephone 20 as shown in FIG.
The data stored in the personal computer 50 is displayed on the display unit 10F of the communication terminal card 10 via the telephone line 30, so that the user can use his / her desired data on the telephone line by connecting to a public telephone while he is out. It acts so that it can be read.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the accompanying drawings by way of embodiments. FIG. 1 is an overall view showing an embodiment of the present invention. FIG. 2 is a detailed view showing an embodiment of the present invention. FIG. 3 is a block diagram showing an embodiment of the present invention.

A. Configuration As shown in FIG. 1, the communication terminal card 10 according to the present invention is connected to a public telephone 20 while being out, so that information processing such as a personal computer installed in a distant place such as an office or a home is performed. Data is transmitted to and received from the device 50, and the data is displayed on the display unit 10F.

As shown in FIG. 2, the communication end card 10 has a rectangular parallelepiped case 12 made of an insulating material, for example, a synthetic resin. The end surface 12A of the case 12 has a personal computer connector 1
1 is provided, a cord 14 extends from the other end surface 12C of the case 12, and a communication terminal 16 composed of a modular jack or the like is provided at the tip of the cord 14, and a public telephone 20 (see FIG. ) The corresponding modular socket (not shown) can be connected.

Further, the upper surface 12B of the case 12 is shown in FIG.
As shown in FIG. 3, a display unit 10F and an operation unit 10E are exposed, and in the case 12, as shown in FIG. 3, a memory 10A, a control unit 10B, a modem 10C, and a personal computer interface. Parts 10D are incorporated respectively.

The display unit 10F is formed of, for example, a liquid crystal, and displays data transmitted / received via the telephone line 30 (FIG. 1). Examples of the displayed data include, for example, the items of the customer's merchandise stored in a personal computer, which is a type of the information processing device 50 (FIG. 1), the sales quantity and the sales amount of each month, and the like.

The operation unit 10E is a control unit 10 described later.
It comprises an operation switch for operating the communication end card 10 by giving an instruction to B. The operation switches include, for example, a numeric keypad, a move key, and the like.

The memory 10A is adapted to temporarily store the data transmitted via the telephone line 30 (FIG. 1) for later use. As a usage method, for example, the items of the customer's merchandise, the monthly sales quantity and the sales amount thereof are stored in the memory 10A, and when there is no time, for example, when the train is on the train. Then, the information is read by displaying on the display unit 10F and memorized.

The control unit 10B is composed of, for example, a CPU, and controls the display unit 10F, the memory 10A and the like (FIG. 3) in accordance with the instruction from the operation unit 10E described above.

The modem 10C modulates data transmitted / received through the telephone line 30 (FIG. 1) from a digital signal to an analog signal or demodulates an analog signal to a digital signal. That is, the telephone line 30 used for the public telephone 20
(FIG. 1) are typically configured to carry analog signals. On the other hand, inside the communication end card 10 according to the present invention, data is processed in the form of digital signals.
Therefore, a modem 10C that modulates data from a digital signal to an analog signal or demodulates an analog signal to a digital signal is required.

The personal computer interface section 10D is a communication terminal card 10 according to the present invention.
Has an interface function when it is used by connecting to a personal computer 50 which is an information processing apparatus. In other words, the communication terminal card 10 according to the present invention has the function of the modem 40 as shown in FIG. It can also be used as a similar PC card.

B. Operation The operation of the present invention having the above configuration will be described below. The modular jack 16 of the communication terminal card 10 according to the present invention is previously inserted into a corresponding modular socket (not shown) of the public telephone 20 (FIG. 1). In this case, the personal computer 50 is connected to the home or office via the modem 40.
Is installed (Fig. 1).

As described above, the communication terminal card 10 according to the present invention is attached to the personal computer 5.
When it is used as a PC card by connecting to 0, the function of the modem 40 can be fulfilled.

The items of the customer's merchandise stored in the personal computer 50 shown in FIG. 1, and the monthly sales quantity and sales amount are displayed on the display unit 10F of the communication terminal card 10 according to the present invention. The operation in the case of wanting to do so will be described.

First, by pressing the button on the operation unit 10E, the telephone number of the home or office and the corresponding file No. of the personal computer 50. The control unit 10B is instructed to transmit. Thereby, the control unit 10
B is a telephone number and a file number. The digital signal corresponding to is input to the modem 10C.

In the modem 10C, this digital signal is modulated into an analog signal and transmitted through the telephone line 30 via the code 14 and the public telephone 20 (FIG. 1). This analog signal is demodulated into a digital signal in the modem 40 (FIG. 1) and the corresponding No. Files are accessed.

This file stores the items of the customer's merchandise, as well as the monthly sales quantity and sales amount. Therefore, the items of the customer's merchandise are read from this file under the control of the personal computer 50, the digital signal is modulated into an analog signal by the modem 40 (FIG. 1), and the signal is transmitted through the telephone line 30 to the public. Telephone 20
And the communication terminal card 1 according to the present invention via the code 14.
Enter 0.

The analog signal of the item of the customer's merchandise input to the communication terminal card 10C is demodulated into a digital signal by the modem 10C (FIG. 3) and displayed on the display section 10F under the control of the control section 10B. It

When the screen of the display unit 10F is narrow, the move key of the operation unit 10E is pressed, and the items of the customer's merchandise are sequentially displayed on the screen. Also, the memory 10A
(FIG. 3), if the memory key of the operation unit 10E is pressed, the items of the customer's merchandise are stored in the memory 10A. The data stored in the memory 10A can be sequentially read on the display unit 10F by pressing the read key of the operation unit 10E later, and the contents can be memorized while watching the data.

[0025]

As described above, according to the present invention, the communication terminal card includes the communication terminal 16, the modem 10C, and the display unit 1.
The communication terminal card itself can be used by being configured with 0F, the control unit 10B, and the operation unit 10E. Therefore, by connecting to a public telephone while going out, the technical effect that the desired data can be read using the telephone line has been achieved. Also, unlike the past, a personal computer is no longer needed, making it extremely easy to carry. Furthermore, since it has a communication terminal, it can be used as a data terminal anywhere if there is a modular socket for public telephones that is expected to spread in the future, and if the telephone number is entered using a shortened number, the number of operations will decrease. , Communication time is also greatly reduced.

[0026]

[Brief description of drawings]

FIG. 1 is an overall view showing an embodiment of the present invention.

FIG. 2 is a detailed view showing the implementation of the present invention.

FIG. 3 is a block diagram showing an embodiment of the present invention.

[Explanation of symbols]

 10 communication terminal card 10A memory 10B control unit 10C modem 10D personal computer interface unit 10E operation unit 10F display unit 12 case 14 code 16 communication terminal 20 public telephone 30 telephone line

Claims (3)

[Claims] 1. A communication terminal 1 connected to a telephone line 30.
6, a modem 10C that modulates data transmitted and received through the telephone line 30 from a digital signal to an analog signal, or demodulates from an analog signal to a digital signal, a display unit 10F that displays the data, and a display unit 10F. 2. A communication terminal card, comprising: a control unit 10B that controls a transmission / reception operation of data displayed on the display unit; and an operation unit 10E that gives an instruction to the control unit 10B to operate. 2. The communication terminal card according to claim 1, further comprising a memory 10A for storing the data. 3. The communication terminal card according to claim 1, further comprising a connector 11 for connecting to a personal computer and an interface section 10D.