KR19990030527A - Key Phone Type Wireless Telephone Device - Google Patents

Abstract

The present invention has to wire the telephone line from the terminal box to the telephone in order to use the telephone in the office, it is difficult to relocate the telephone line when the arrangement of the office is different and there is a risk of disconnection due to frequent movement, In order to install the wireless telephone line transceiver of the line, install the corresponding wireless telephone, and add the decoding circuit of the line connection switching device to the main body in order to give the key telephone telephone functions such as extension calls and call forwarding. It is configured to be switched by the controller according to the signal.

The present invention has to be difficult to relocate the telephone line in the case of different office layout because of the need to wire the telephone line from the terminal box to the telephone in the office, there is a risk of disconnection due to frequent movement, to solve the present In the same form as the wireless telephone, the telephone line wiring itself can not be eliminated, it requires a wireless telephone of a different concept from the present, through the present invention it was possible to make a more convenient call in the office.

In addition, as a simple key phone function is provided, small offices are expected to improve work efficiency by providing incoming calls, extension calls, and CO lines as cordless phones, even if they do not require wired key phones that require professional installation work. Although it may be provided in the same form as the same handset, it is contemplated that a cordless telephone in the form of a wireline telephone with a coil cord filed by the present inventors may increase office work efficiency.

Description

Key Phone Type Wireless Telephone Device

1 is a block diagram schematically showing the configuration of a key-phone type wireless telephone apparatus of the present invention.

2 is a circuit diagram of a key-phone type wireless telephone apparatus of the present invention.

<Description of Symbols for Main Parts of Drawings>

1: Phone line 2: Tip

3: ring 4: transmission and reception relay

5: Antenna 6: External Device Connection Socket

7: handset 8: speaker

9: microphone 10: detection switch

11 power supply socket 12 main body

13 coil cord 14 DC power supply

15: antenna 16: external device connection socket

17: Phone Dial 18: Speakerphone Dial

19: hook switch 20: central control device

21: buzzer 22: detection switch

23: non-contact switch 24: vertical / horizontal sensor

25: speaker 26: microphone

27: speakerphone and microphone 28: signal conversion device

29: audio output 30: audio input

31: DC power supply 32: power supply device

33: charge and discharge control circuit 34: rechargeable battery

35: external power supply socket 36: signal input and output device

37: decoding and control circuit 38: terminal box

39: signal conversion and line switching circuit 40: wireless telephone transceiver circuit module

41: wireless telephone transceiver circuit module 42: wireless telephone transceiver circuit module

43: wireless telephone transceiver circuit module 44: wireless telephone transceiver circuit module

45 antenna 46 solar panel

[Field of Invention]

According to the present invention, the telephones used in the office are all wired by telephone lines, so that the construction of the telephone line must be renewed every time the arrangement of the office is changed, and the telephone lines are leaked, causing disconnection and uncomfortable chair movement. The device for solving the problem has been filed by the present inventor (patent application 97-23515), but it is mainly proposed for home use, and the present invention is intended to improve the technology for keyphone functions for extending it to the office. .

In other words, if you want to use it in the office, you need to add these functions as long as you do not need to answer the phone and make an extension call. It can be used as easily as a cordless phone, and provides additional key phone functions.

[Background of invention]

With the development of technology, wireless telephones, which are widely used, provide convenience to life. Currently, products that can be used by connecting multiple handsets to one main body have been developed to maximize convenience for the whole family. However, since the wireless telephone is gradually miniaturized and lightened by integrating all functions in the handset, it is not suitable to be placed on the reception set of an office or home. With the dissemination of communication devices such as computers, there is an inconvenience of installing only a telephone line. However, a wireless modem is applied, but there is a limitation in application because it is used only as a modem. In addition, in order to use the existing handset type cordless telephone in the office, since the position must be fixed to some extent, unlike the home, a cordless telephone type as described in the present inventors is preferable, and the card type as a method of eliminating the telephone line wiring of the office The present invention has also been proposed by the present inventor as a way of inserting a transceiver into a terminal box, which is simply a technology for wirelessly processing a telephone line and a key phone function is not implemented.

A wireless telephone (patent application No. 97-23515) similar to a landline telephone previously filed by the present inventor was invented to satisfy this point, but it was partially modified to be suitable for the case of using multiple lines such as an office and a key phone system. In order to support the computer communication wirelessly, the present invention has been made by improving the signal socket and a connection socket.

[Summary of invention]

In order to use a telephone in an office, the telephone line must be wired from the terminal box to the telephone. Therefore, when the office layout is different, it is difficult to relocate the telephone line and there is a risk of disconnection due to frequent movement. Install the wireless telephone line transceiver of the line, install the corresponding wireless telephone, and add the line connection switching device and the decoding circuit to the main body to give the key phone phone functions such as extension call and call forwarding. It is configured to be switched by the control device according to the signal, which will be described in detail below with reference to the accompanying drawings.

[Configuration and Function of Invention]

The present invention has been implemented in order to minimize the need for telephone line construction by eliminating the wiring of the telephones used in the office to minimize the unnecessary waste of the telephone initial relocation costs and the relocation of the telephone line during office shift, keyphone function near the terminal box It is characterized in that the control circuit and the wireless transmission and reception apparatus of several lines to implement the integrated to install and provide a wireless telephone corresponding to each line.

The circuits related to wireless transmit / receive are becoming one-chip due to the development of semiconductor technology. When the existing complex transmit / receive circuits connect a few accessory parts around one chip, the signal is processed and the circuit technology related to transmit / receive is well known. Geeksul will be developed to create new functions and technologies using these devices. Based on this foundation, the spread of home wireless telephones has become common but limited to functional limitations for office use. Since only the convenience of use as a simple wireless telephone is not a form that ultimately eliminates the wiring, a wireless telephone in the form of a key phone is needed as a concept that can eliminate the telephone line wiring itself of the office as in the present invention.

Among the key phone functions, the most widely used functions include call forwarding, extension call, and call transfer. To implement this, the connection status of each telephone line is detected by detecting a keyphone function request signal, mainly a special dial button and hook switch. To change the connection, for this purpose, the signal input of each line of the main body wireless transmission and reception apparatus is monitored so that a predetermined signal is inputted so that switching and connection are made.

As a wireless telephone is a product of human need for more convenience, the telephone related technology will be advanced in a way that solves the current problems functionally and technically, and the present invention is also a technology proposed in response to such an advance. The present invention will be described in detail with reference to the drawings.

A schematic configuration diagram of a key-phone type wireless telephone apparatus according to the present invention is shown in FIG. A key phone-type transmitter and receiver device 4 connected with a telephone line 1 of a key box and a terminal box composed of a tip 2 and a ring 3 includes a plurality of wireless transceiver circuits for supporting a plurality of lines and a control circuit for a key phone function. It has a built-in, it connects and switches the call according to the signal of each radio telephone coming in through the antenna (5) and transmits the voice to the other side, and in the case of the office key phone and the local telephone system parallel to each telephone line It is configured to be installed in such a way, and composed of each of the corresponding radiotelephone device is characterized in that the telephone line wiring between the radiotelephone device and the terminal box placed on the actual desk.

The wireless telephone device connected to the key-phone transceiver 4 may be configured in the form of a handset, but the main body 12 having various input devices installed thereon and the receiving device 7 mounted thereon are coil cords 13 so as to be suitable for office use. And a speaker 8 and a microphone 9 are installed in the receiver device 7, and are disposed by the sensing switch 10 when placed on the main body 12. A power socket 11 is installed to supply power by the telephone socket 6, and a telephone socket 6 for connecting with a computer modem is installed separately.

Unlike current handset cordless phones, the phone dial is equipped with a speakerphone selection switch so that a call can be made to the speakerphone if necessary, and a sensing switch is installed to lift the handset 7 so that the telephone apparatus can perform all operations. In addition, by applying a high-capacity battery, it is possible to use it without a separate power supply device for a long time, and can be charged with the solar panel 45 when necessary.

2 is a circuit diagram illustrating the present invention in detail. The main body 12 of the wireless telephone transmits and receives an audio signal through the transceiver 16 through the antenna 15. The audio output 29 has a sensing switch 22. Or a speaker 25, an external speaker 18 or an external speaker 27 through the signal switching device 28 switched by the speakerphone selection dial 18 input, and the microphone 26 or the external microphone 27 input. Is selected from the signal switching device 28 to perform signal transmission through the transceiver 16 via the audio input circuit 30, so that the central control unit 20 dials the telephone dial 17 and the speakerphone dial 18. It accepts the input of the sensing switch 22 to sense and perform dial tone transfer and control and to detect the hearing of the corded handset, which is a hook switch 19, a non-contact switch 23, a vertical / Can be configured with a horizontal sensor The.

In order to supply power to the cordless telephone body 12, the rechargeable battery 35 is charged through an external power supply socket 35, and is configured to supply power 31 through a charge / discharge control circuit 33. The socket 36 for connecting an external device with a telephone line is provided through a signal switching device 28 made of a signal conversion element, such as a transformer for superimposing audio input / output signals so as to be connected to a computer modem and converting them into one line. Configure the telephone line of the terminal box to connect with the computer modem wirelessly.

Keyphone transmission and reception device 4, which is connected to the telephone line 38 and performs signal transmission and call connection functions with each of the radiotelephone devices 12, changes the tip and ring signals of the keyphone and the terminal box, and the changed signals respectively output audio. The radio telephone transceiver 40, which is composed of a circuit and a transmitter circuit, a receiver circuit and an audio input circuit, and the radio telephone transceivers 41, 42, 43, 44 as many as the number of lines connected to other lines are provided. Although the line is connected to the corresponding telephone line 38 through the signal conversion and line switching circuit 38, when the decoding and control circuit 37 detects the keyphone function request signal at each input / output line 46, the signal conversion and line Through the switching circuit, the connection state is changed to perform call forwarding, trunk line switching, and extension call function.

When the transceiver is attached to each output line of the key phone system widely used in the office, it is possible to configure a wireless key phone system without having to wire one by one even in the office. Due to the characteristics of the office, the transceiver can be provided by a wireless telephone of the present invention. Even if the layout is different, it can be configured to move with the phone, which can solve the problem when using the key phone.

[Effects of the Invention]

In order to solve the problem of the present invention, it is difficult to relocate a new telephone line when the office is different from the terminal box in order to use the telephone in an office. In the same form as the current wireless telephone, it is not possible to eliminate the telephone line wiring itself, and thus requires a wireless telephone having a different concept from the present. Through the present invention, it is possible to make a call in the office more conveniently.

In addition, since a simple key phone function is additionally provided, small offices are expected to improve work efficiency by providing call forwarding, extension calls, and trunk line calls as cordless telephones even without installing a wired key phone that requires professional installation work. Although it may be provided in the form of a handset such as a telephone, it is contemplated that a cordless telephone in the form of a wireline telephone with a coil cord filed by the present inventors may further increase office work efficiency.

Although the present invention has been described in detail only with respect to the described embodiments, modifications and variations that are within the spirit and scope of the invention are apparent to those skilled in the art to which the invention pertains and such variations or modifications are limited by the appended claims. You must lose.

Claims (3)

In a cordless telephone, a keyphone composed of a tip (2) and a ring (3) and a key box-type transmitter / receiver (4) connected to a telephone line (1) include a plurality of radio transceiver circuits and a keyphone for supporting a plurality of lines. Built-in control circuit for the function, it connects and switches the call according to each radio telephone signal coming in through the antenna (5), and delivers the voice to the other party, office key phones and premises telephone system Key phone type wireless telephones, which are configured to be installed in parallel for each telephone line, and each wireless telephone device corresponding thereto, and there is no telephone line wiring between the terminal box and the wireless telephone device. 2. The key phone transmission and reception device 4 according to claim 1, which is connected to the telephone line 38 and performs signal transmission and call connection functions with each of the radiotelephone devices 12, changes the tip and ring signals of the key phone and the terminal box, and changes them. The signal is provided with a radiotelephone transceiver 40 comprising audio output circuits, a transmitter circuit, a receiver circuit and an audio input circuit, and the radiotelephone transceivers 41, 42, 43, 44 as many as the number of lines connected to other lines. Although each input / output line is connected to the corresponding telephone line 38 through signal conversion and line switching circuit 38, the decoding and control circuit 37 detects the keyphone function request signal at each input / output line 46. Fixing device for a key-phone type wireless telephone, characterized in that by performing a signal conversion and line switching control to change the connection state to perform the incoming call, trunk line conversion, and extension calls. The main body 12 transmits and receives an audio signal through the transceiver 16 through the antenna 15, and the audio output 29 is heard by the sensing switch 22 or the speakerphone selection dial 27. The microphone 26 or the external microphone 27 input is selected by the signal switching device 28 to transmit a signal through the transceiver 16 through the audio input circuit 30, and the central controller 20 It detects the telephone dial 17 and speakerphone dial 18 to perform the transmission and control of dial tone, detects the hearing of corded handset, and superimposes audio input / output signals so that they can be connected to a computer modem. Through a signal conversion device 28 made of a signal conversion element such as a transformer, a socket 36 for connecting a telephone line with an external device is installed to wirelessly connect a telephone line of a terminal box with a computer modem. Wireless telephone circuit device, characterized in that.