JPH04354229A - Cordless telephone set - Google Patents

Abstract

PURPOSE:To improve the convenience by providing a modular jack to a slave set so as to attain personal computer communication with in a radio communication available range between the slave set and a master set. CONSTITUTION:A modular jack 9 is provided to a slave set 8 of a cordless telephone set 5 and a personal computer 1 is connected thereto via a MODEM 3. That is, it is possible to send/receive information outputted and inputted between the personal computer 1 and the slave set 8 through antennas 11, 12 to/from a master set 7. Thus, a signal outputted from the personal computer 1 is sent to the master set 7 via the slave set 8 by executing the connect procedure to a desired personal computer communication network and the signal is sent to an opposite party information device through a telephone line 6 and the signal received by the master set 7 is received by the personal computer 1 via the slave set 8.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] The present invention provides a modular jack in the handset section of a cordless telephone (hereinafter referred to as a handset) to enable connection with other information devices, and facilitates the use of commercial databases through PC communication, etc. This invention relates to a cordless telephone suitable for use in the field.

0002

[Prior Art] Personal computer communication using public telephone lines is rapidly becoming popular, and electronic mail communication, commercial database communication, etc. using the personal computer communication network are further developing and expanding. There is. In PC communication using such telephone lines, the PC (
A modem was connected to an external communication terminal of a personal computer, and a telephone line terminal was connected to the modem. Furthermore, in telephones with a built-in modem that have recently been commercially available, an external communication terminal of a personal computer is connected to the telephone body (the part of the device connected to the telephone line) via a dedicated cable.

[0003] In addition, Japanese Patent Application Laid-Open No. 109627/1983 discloses that additional function means can be connected to a telephone as necessary to read various data and programs, and to change functions.
Although there is a technical concept that facilitates additions, the telephone of the prior application is not a cordless telephone, nor is it intended to be connected to a modem for communication with a personal computer. In addition, Japanese Utility Model Application Publication No. 2-23143 and Japanese Patent Application Publication No. 2-69055 disclose a connection cord (cable) for writing an identification code between a cordless telephone and a base unit as necessary.
However, the cordless telephones of these two prior applications also do not attempt to connect to a modem for personal computer communication or the like.

0004

[Problems to be Solved by the Invention] As mentioned above, conventionally, information devices such as personal computers are connected to a telephone line via a modem and a connecting cable, so even if a highly portable notebook computer etc. Even when using a notebook computer, the range of movement of the notebook computer is only a small area that is allowed by the above-mentioned connection cable, and it has been pointed out that the mobility of the notebook computer is impaired. Ta.

[0005] The present invention has been made in view of the above points.
The purpose of this is to allow information devices such as computers to be easily and easily connected to the handset of a cordless telephone via a modem. It is an object of the present invention to provide a highly convenient cordless telephone that enables communication with a personal computer through an apparently slave unit.

[0006]

[Means for Solving the Problems] In order to achieve the above object, the present invention provides a modular jack in the handset of a cordless telephone, and connects the handset and its own information device connected via the modular jack. It is configured to transmit and receive input and output signals to and from a base unit connected to the other party's information equipment via a telephone line.

[0007]

[Operation] For example, you can bring a portable computer and modem together with a cordless phone to a desired location (desktop in your room at home, any location in a store or office, etc.), and then use the modem to connect the computer to external communications. Connect to the terminal and also connect to the modular jack of the slave unit. For example, by performing a connection procedure to a desired PC communication network, the signal output from the PC is transmitted to the base unit via the slave unit, and then to the other party's information equipment via the telephone line, and the base unit The received signal can be received by the computer via the slave device. Therefore,
Freed from the troublesome telephone line connection cords that have hitherto been a nuisance, users can move their personal computers and other devices freely within the call range of their cordless telephones, greatly improving their mobility. Furthermore, since a versatile modular jack is used for the connection part of the slave unit, there is also the advantage that the types of devices that can be connected to the slave unit are greatly increased.

[0008]

[Embodiment] An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. FIG. 1 is a diagram showing the general configuration of the whole, in which 1 is a portable personal computer, 2 is a well-known RS-232C input/output terminal which is an external communication terminal provided in the personal computer 1,
3 is a light and small modem (for example, about 200 g in weight); 4 is a transmission cord connecting the RS-232C input/output terminal 2 of the personal computer 1 and one connection terminal 3a of the modem 3; Reference numeral 5 denotes a cordless telephone, which consists of a base unit 7 connected to a telephone line (connection cord to the telephone line) 6, and a slave unit 8 that is portable independently of the base unit 7. and handset 8 can transmit and receive data by wireless communication within a predetermined area. Reference numeral 9 denotes a modular jack provided in the handset 8, and a transmission cord 10 connected to the other connection terminal 3b of the modem 3 is connected to the modular jack 9. Therefore, by connecting the personal computer 1, modem 3, and handset 8 at a desired location within the communicable range of the base unit 7 and handset 8 as shown in FIG.
The slave unit 8 connected to the personal computer 1 via the modem 3 is capable of transmitting and receiving information input and output between the personal computer 1 and the slave unit 8 to the base unit 7 via the antennas 11 and 12. Become.

Therefore, by performing a connection procedure to a desired personal computer communication network in the connection state shown in FIG. The personal computer 1 can receive the signal transmitted to the other party's information device (not shown) and received by the base unit 7 via the slave unit 8 . In this way, in this embodiment, the user can move freely within the calling range of the cordless telephone without having to pull the telephone line 6 side cord around every time he moves, and without being constrained by the length of the telephone line 6 side cord. You can use it to communicate with your computer.

FIG. 2 is a simplified block diagram showing an example of the internal configuration of the handset 8 described above. As shown in the figure, the signal from the base unit 7 received by the antenna 12 is transmitted to the receiving system front. The signal is sent to the reception system conversion processing circuit 14 through the end 13 and output as an audio signal from the speaker 15.The signal from the reception system front end 13 is also output to the modular jack 9, and is sent to the transmission cord 10 and the modem 3. , and is sent to the personal computer 1 via the transmission code 4. On the other hand, the audio conversion signal input from the microphone 16 is transmitted from the antenna 12 to the base unit 7 via the transmission system conversion processing circuit 17 and the transmission system front end 18, and is also transmitted to the base unit 7 from the computer 1.
A signal inputted to the modular jack 9 via the transmission cord 4, modem 3, and transmission cord 10 is transmitted from the antenna 12 to the base unit 7 via the transmission system front end 18. Although the base unit 7 side is not shown, it is equipped with a front end that is almost the same as the slave unit 8 side, and has a well-known 2-wire 4
It is connected to a telephone line via a line converter.

Although the present invention has been described above with reference to the illustrated embodiments, it goes without saying that various modifications can be made by those skilled in the art without departing from the spirit of the present invention.
If the information device has a built-in modem, it is possible to directly connect the information device and the modular jack of the handset using a transmission cord, and it is also possible to connect the information device to other information devices other than a computer (such as a farm or home banking terminal). Of course, it is also possible to apply. Furthermore, it is also possible to apply it to second-generation cordless telephones that are expected to be connected to public telephone lines through base stations installed in buildings, street corners, stations, shopping districts, underground malls, etc. If second generation cordless telephones become widespread, the convenience of personal computer communication etc. using the handset according to the present invention will further increase.

0012

[Effects of the Invention] As described above, according to the present invention, an information device such as a personal computer can be simply and easily connected to a handset of a cordless telephone via a modem, and thus the handset and base unit can be connected easily. It is possible to provide an extremely convenient cordless telephone that can apparently communicate with a personal computer via a slave device within the wireless communication range, and is of great value.

[Brief explanation of drawings]

FIG. 1 is an explanatory diagram showing an outline of a system using a cordless telephone according to an embodiment of the present invention.

FIG. 2 is a simplified block diagram showing an example of the internal configuration of a handset of a cordless telephone according to an embodiment of the present invention.

[Explanation of symbols]

1 Personal computer (PC) 2 RS
-232C input/output terminal 3 Modem 4 Transmission cord 5 Cordless telephone 6 Telephone line 7 Base unit 8 Hand unit 9 Modular jack 10 Transmission cord

Claims (1)

[Claims] 1. A cordless telephone characterized by having a handset section (slave unit) provided with a modular jack.