JPH06164691A - Cordless handset for telephone switchboard - Google Patents

Abstract

PURPOSE:To provide a cordless headset for a telephone switchboard for which a connecting cord with the telephone switchboard is unnecessary concerning the headset to be used by an operator at the telephone switchboard. CONSTITUTION:In the headset for transmitting/receiving voice signals to/from the telephone switchboard, the voice signals and radio signals are mutually converted by providing a radio transmitter-receiver 12 in the headset and the radio signals and the voice signals are mutually converted by providing the radio transmitter-receiver 24 in the telephone switchboard and thus, communication is performed through a radio channel with the telephone switchboard.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a headset for use by an operator in a telephone exchange, and more particularly to a cordless headset for a telephone exchange that does not require a cord to connect to the telephone exchange. It is a thing.

[0002] In a telephone switchboard, a 110, 119 command board, etc., an operator uses a headset to transmit and receive data to and from a telephone switchboard, so that required exchange work and command work are performed. Is supposed to do.

Traditionally, headsets for telephone exchanges required a cord to connect to the telephone exchange.
It would be convenient if this could be made into a cordless format, and its realization is desired.

[0004]

2. Description of the Related Art FIG. 4 shows a state of use of a conventional telephone exchange stand headset, for example, a 110 reception desk, where 1 is a headset used by an operator and 2 is a head. Set 1 cord, 3 jack for connecting headset, 4 operator when seated
It is a seat switch for switching between a call enabled state and a call disabled state on the telephone exchange.

Conventionally, a telephone switchboard and 110 and 11
A headset having a transmitter (microphone) and a receiver separately when an operator performs the work at a command stand or the like for making an emergency call such as No. 9 (hereinafter collectively referred to as a telephone exchange stand). 1 is used, and the plug at the tip of the cord 2 connected to the headset is inserted into the jack 3 for the headset provided on the telephone exchange to connect to the telephone exchange. ing.

When the operator sits in or leaves the seat, the operator operates the seat / seating switch 4 provided on the telephone exchange so that the telephone exchange can talk to the telephone exchange or can make a call. The telephone exchange is informed of whether or not the telephone exchange is in an impossible state, so that the telephone exchange can make the required connection only to the telephone exchange that is in the callable state. There is also a system in which the same operation as the operation of the detachable seat switch is performed by inserting / removing the plug of the headset 1 into / from the jack 3 without providing the detachable seat switch.

[0007]

In the telephone exchange, the headset is frequently attached and detached due to the change of operators. As a result, the parts and jacks that make up the headset are often damaged and need to be replaced.

Further, in the conventional headset, since the cord length is limited, there is a problem that the range of action of the operator is restricted and the inconvenience is inconvenient if the headset is worn.

The present invention is intended to solve such a problem of the prior art, and by making the headset for the telephone exchange stand cordless, the problem of damage to parts due to attachment and detachment of the headset is solved. It aims to eliminate the restriction of the operator's action range based on the existence of the code as well as to solve it.

[0010]

[Means for Solving the Problems] (1) The present invention relates to a headset for transmitting and receiving a voice signal to and from a telephone exchange. In addition to the transceiver 12, the telephone exchange is provided with a wireless transceiver 24 for performing mutual conversion between the radio signal and the voice signal, so that the telephone exchange can communicate with the telephone exchange through a wireless line. is there.

(2) In addition, in the present invention according to (1), the wireless transceiver 12 on the headset side is provided with a seat / seating switch 15, and when the seat switch 15 is turned on, the wireless transceiver 12 on the headset side is activated. At the same time, a signal is sent out through the wireless transceiver 12, and the wireless transceiver 24 on the telephone exchange side receives the signal, thereby enabling the telephone exchange to operate with the host device. .

(3) Further, in the present invention according to (1) or (2), the wireless transceiver 12 on the headset side is formed separately from the headset, and is connected to the headset via a cord. It is what

(4) The present invention also provides (1) or (2) or
In (3), the wireless transceiver 12 on the headset side
It is configured to be capable of transmitting and receiving by a plurality of radio frequencies, and by switching the radio frequencies, a call can be made between a plurality of different telephone exchanges.

[0014]

[Operation] A transmitter / receiver for a wireless line is mounted on the telephone exchange side, and a headset, which is used by an operator, is equipped with a transmitter, a receiver, and a transmitter / receiver so that the operator can communicate with the telephone exchange. Now you can talk over the wireless line.

A switch is provided in the transmitter / receiver unit so that the transmitter / receiver of the headset can be started and stopped and the seat exchange notification to the telephone exchange can be performed by turning the switch on and off.

This eliminates the need to connect the plug and the jack when the headset is used, so that it is possible to solve the problem of damage to the parts due to attachment / detachment of the headset. Further, since the operator does not need to remove the headset when leaving the seat, he / she can make a call even if he / she is away from the telephone exchange to some extent.

When there are a plurality of telephone exchanges in the same place and close to each other, the radio frequency used by each telephone exchange and the headset associated therewith is changed for each set. , In multiple telephone exchanges,
It is possible to use a cordless headset at the same time.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT FIG. 1 shows a cordless headset for a telephone exchange board according to an embodiment of the present invention. In the cordless headset 10, 11 is a receiver unit,
It has a wireless transceiver 12 and its power source and the like inside. Reference numeral 13 is a transmitter (microphone). 14 is a transmission / reception antenna connected to the wireless transceiver 12,
It sends and receives wireless signals to and from the telephone exchange.

Reference numeral 15 is a seat switch, which can be turned on and off to start and stop the radio transceiver 12, and to notify the telephone exchange of the seat from the telephone exchange signal. . The handset unit 11 is
It has a headband 16 made of a spring and a head pad 17 made of a soft material, which allows an operator to wear the cordless headset 10 on his / her head, with his / her hands free, and with a telephone exchange stand. You can talk between them.

FIG. 2 shows a telephone switchboard according to an embodiment of the present invention. In the telephone exchange stand 20, reference numeral 21 is an operation panel, which is a ten-key pad and a one-touch dial 22.
With this, it is possible to operate the line connection with the telephone exchange. The operation panel 21 is provided with a transmission / reception antenna 23 that transmits / receives a wireless signal to / from a cordless headset. The transmitting / receiving antenna 23 is
It is connected to a wireless transceiver 24 inside the operation panel. The voice input / output signals of the wireless transmitter / receiver 24 are connected to the telephone exchange board 20 and further connected to the telephone exchange machine (not shown) via the telephone exchange board 20.

Further, the display section 25 of the operation panel 21 is provided with a seating indicator light 26 for displaying the status of the operator's leaving and seating.
Is provided so that the operator's leaving or sitting can be displayed according to a signal from the cordless headset 10.

FIG. 3 exemplifies a circuit configuration of a cordless headset and a telephone exchange stand, and shows a cordless headset 10 and a telephone exchange stand 20.

In the cordless headset 10, 1
01 is a transmitter, 102 is a receiver, and the network 103
The voice signal is transmitted and received by being connected to the modulation / demodulation unit 104 via. The modulation / demodulation unit 104 modulates the audio signal with an arbitrary modulation method and outputs the modulated signal to the transmission unit 105, and also demodulates the modulated signal from the reception unit 106 with a demodulation method corresponding to the modulation method and outputs the audio signal. To do. The transmitter 105 amplifies the modulated signal from the modulator / demodulator 104 and sends it as a radio signal to the telephone exchange side via the antenna 107, and the receiver 10
Reference numeral 6 is a modulation / demodulation unit 104 that extracts a modulated signal from the radio signal from the telephone exchange side received via the antenna 107.
Output to.

Reference numeral 108 denotes a seat switch, which is turned on to supply power to each part of the headset 10 to be in an operating state, and at the same time, the transmitter 1
A carrier signal is transmitted from 05. A frequency switching unit 109 can be operated to switch the transmission / reception frequency in the transmission unit 105 and the reception unit 106, whereby a call can be made between different telephone exchanges. Like

In the telephone switchboard 20, 201 is an antenna, which is the antenna 10 on the cordless headset side.
The wireless signal of a specific frequency is transmitted / received between 7 and. The receiving unit 202 extracts the modulated signal from the wireless signal from the cordless headset side received via the antenna 201 and outputs the modulated signal to the modulation / demodulation unit 204, and the transmission unit 203 amplifies the modulated signal from the modulation / demodulation unit 204, It is sent to the cordless headset side via the antenna 201. Modulator / demodulator 2
04 demodulates the modulated signal from the receiving unit 202 to output a voice signal to the circuit network 205, modulates the voice signal from the circuit network 205 and outputs to the transmitting unit 203. An amplifier 206 bidirectionally amplifies and outputs a voice signal between a telephone exchange (not shown) and the circuit network 205.

Reference numeral 207 denotes a seating / seating signal detection unit, which is used when the carrier is sent from the cordless headset side by operating the seating / seating switch 108.
By receiving this after passing through, it is detected that the cordless headset 10 is in the operating state, and the start / stop control unit 208 is operated. Start-stop control unit 208
In operation, controls the telephone exchange 20 to put it in an operating state so that a telephone exchange with a telephone exchange (not shown) is possible.

In the present invention, the modulation method of the radio signal used between the cordless headset and the telephone exchange is:
A frequency modulation (FM) system, an amplitude modulation (AM) system, and any other modulation system can be used, and the modulation / demodulation unit 104 on the headset side and the modulation / demodulation unit 204 on the telephone exchange side can use any of these modulation systems. A modulation circuit and a demodulation circuit compatible with the method shall be used. Further, as the seating / seating signal, other than using the carrier as described above, for example, an arbitrary voice band signal can be used. In this case, it is desirable to send this signal for a short time at the start of the operation of the cordless headset so as not to interfere with the transmission and reception of the audio signal.

In this case, a plurality of telephone exchanges are provided in the same place in close proximity by changing the radio frequencies used by each telephone exchange and the headsets associated therewith for each set. But at each telephone exchange,
It is possible to use a cordless headset at the same time.

Further, in the cordless headset shown in FIG. 3, parts other than the transmitter 101, the receiver 102 and the like are formed separately from the headset, for example, to form a pocket type, and the transmitter 101 and the receiver 102 are provided. It is also possible to reduce the weight of the headset by connecting the same with a flexible cord.

[0030]

As described above, according to the present invention, the headset used by the operator in the telephone exchange is made into a cordless type so that the voice signal is transmitted and received to and from the telephone exchange. By operating the switch provided on the set, the transmitter / receiver of the headset can be started and stopped, and by sending a signal to the telephone exchange to notify the operator that he / she is seated, the telephone exchange can be performed. The state of the connection with the telephone exchange can be controlled at the switchboard, and this state can be displayed at the telephone switchboard.

Therefore, according to the present invention, since the operator does not need to connect the plug and the jack when using the headset, it is possible to solve the problem of the damage of the parts when the headset is attached and detached. Further, since the operator does not need to remove the headset when he / she leaves the seat, he / she can make a call even if he / she is away from the telephone exchange to some extent, and the operator can easily operate the telephone exchange.

[Brief description of drawings]

FIG. 1 is a diagram showing a cordless headset for a telephone exchange board according to an embodiment of the present invention.

FIG. 2 is a diagram showing a telephone exchange board according to an embodiment of the present invention.

FIG. 3 illustrates a circuit configuration of a cordless headset and a telephone exchange.

FIG. 4 is a diagram showing a usage state of a conventional telephone exchange stand headset.

[Explanation of symbols]

 12 wireless transceiver 15 seat switch 24 wireless transceiver

Claims (4)

[Claims] 1. A headset for transmitting and receiving a voice signal to and from a telephone exchange, wherein a wireless transceiver (1) for converting the voice signal and the radio signal to and from the headset.
2), and by providing a telephone transceiver with a wireless transceiver (24) for performing mutual conversion between the wireless signal and the voice signal, a telephone call is performed with the telephone exchange through the wireless line. A cordless headset for a telephone exchange, which is characterized by that. 2. A wireless transceiver (1) on the headset side.
2) is provided with a seat switch (15), and when the seat switch (15) is turned on, the wireless transmitter / receiver (12) on the headset side is activated and the wireless transmitter / receiver (12) is used. 2. The system according to claim 1, wherein a signal is transmitted, and a radio transceiver (24) on the side of the telephone exchange receives the signal to enable the telephone exchange to operate with the host device. Cordless headset for the telephone switchboard. 3. The wireless transmitter / receiver (1) on the headset side
The cordless headset for a telephone exchange according to claim 1 or 2, wherein 2) is configured separately from the headset and is connected to the headset via a cord. 4. A wireless transceiver (1) on the headset side.
(2) is configured to be capable of transmitting and receiving by a plurality of radio frequencies, and by switching the radio frequencies, it is possible to make a call between a plurality of different telephone exchanges. Cordless headset for the listed telephone exchange.