JPH02109432A - Cordless key telephone system - Google Patents

Abstract

PURPOSE:To eliminate the need for the complicated data transmission and reception through a radio line by sending a data for system function between a stationary radio equipment and a master set and sending receiving a state transit information signal between a mobile radio telephone set and the stationary radio equipment. CONSTITUTION:Stationary radio equipments 24a, 24n are connected to a master set 22 through a connection line 26 similarly as key telephone sets 23a, 23n to send and receive a data and a speech signal. The mobile radio telephone sets 25a, 25n form a radio line corresponding to the equipments 24a, 24n. The equipments 24a, 24n send a data with the equipment 22 to form a channel mutually or with the telephone sets 23a, 23n via the connection line 26 respectively. The speech signal and the state transit signal such as a call and end of call are sent/received through a radio line with the telephone sets 25a, 25n and complicated data processing with the equipment 22 for the extension mutual communication of the telephone sets 25a, 25n and selective speech with an external line or the like is not implemented via the radio line.

Description

Detailed Description of the Invention "Industrial Application Field" The present invention relates to a main device that accommodates at least one telephone line, and a telephone device that selectively connects a plurality of telephones to the telephone line. The present invention relates to a cordless button telephone device in which at least one of the plurality of telephones is a mobile radio telephone.

``Prior Art'' A conventional cordless cordless telephone is provided with a main device or master telephone that accommodates at least one telephone line and a plurality of mobile radio telephones, and is capable of selectively connecting the mobile radio telephones to the telephone lines. An example of the telephone device will be explained with reference to the block diagram of FIG.

1 is an IC telephone line 2 connected to a main device or a parent (hereinafter the parent is referred to as a connection), and 3a to 3n are mobile radio telephones. 4 is a telephone circuit connected to telephone line 1, and office line circuit 1
It is configured to include a telephone communication circuit and a dial signal transmission path. Reference numeral 5 designates a handset connected to the communication circuit, 6 a radio transmitting and receiving circuit, 7 a control circuit, and 8 an antenna.

The mobile radio connections 3a to 3n are configured so that they can communicate with the base phone 2 or the telephone line 1 via wireless lines, respectively, and their internal circuits are the same. However, different ID numbers are set for each, so that they can be identified when forming the wireless line.

9 is an antenna, 10 is a wireless transmitter/receiver circuit, and 11 is a handset 5
12 is a control circuit, 13 is a display, and 14 is an operation unit such as a dial button, a hook switch, and a hold button.

The wireless transmitter/receiver circuits 6 and 10 are control circuits 7 and 1, respectively.
The wireless line is formed under the control of No. 2. The control circuit 12 forms a signal corresponding to the operation of the operation unit 14, and sends it to the wireless transmission/reception port n10.

Therefore, for example, when the operating section 14 of the mobile radio telephone 3a is operated to make a call from the telephone line 1, the control circuit 12
detects this and activates the radio transmitter/receiver circuit 10, radio transmission is performed, and this is radio received by the radio transmitter/receiver circuit 6 via the antenna 9.8 to form the radio line. Subsequently, when the above-mentioned operation information, a signal for making an outside call, is received wirelessly and is recognized by the control circuit 7, the control circuit 7 drives the telephone circuit 4 to capture the telephone line 1, and the wireless transmitting/receiving circuit 6 side. Connect telephone line 1 to.

Next, when the dial button is pressed on the mobile radio telephone 3a, the dial number information is sent to the control circuit 7 via the radio circuit.
The telephone circuit 4 is activated and a dial signal is sent to the telephone line 1. Thereafter, the mobile radio telephone 3a makes a call to the telephone line 1 via the radio line using the handset 11, and data for displaying the call is transmitted to the control circuit 7. The information is transmitted from the base telephone 2 by the operation of the wireless transmitting/receiving circuit 6 and displayed on the display 13.

In such a conventional cordless button-locking device, the system functions as a button-locking device include, for example, the above-mentioned outside line calls, internal calls, and holding calls.

Since all data for transfer and associated display is transmitted through the wireless line, there is a drawback that the device becomes complicated. Therefore, although a plurality of mobile radio telephones that can selectively make calls to outside lines have been put into practical use, for example, cordless button telephone devices that are capable of making inter-external calls have not yet been put into practical use.

``Problems to be Solved by the Invention'' The present invention focuses on the above-mentioned drawbacks, and makes it possible to achieve the system functions as a button telephone device such as the above-mentioned mutual extension calls without making the device complicated, thereby achieving an economical The present invention aims to provide a cordless button telephone device that can be put to practical use in the field of technology.

Therefore, the present invention provides a fixed wireless device that forms a wireless line with a mobile wireless telephone and connects it to the main device by wire,
The fixed wireless device has data signals sent and received to and from the main device via a wireless line for the above-mentioned system functions. A control circuit that converts into transition information is provided, and data transmission for system functions is performed between the fixed wireless device and the main device, and the wireless line between the wireless telephone and the fixed wireless device transmits call signals, calls, calls, and lamp flashing. It is configured to send and receive random RM transfer information and operation information.

``Function'' Data transmission for the system function as a button telephone device is performed between the fixed wireless device and the main device, and a shape R transition information signal is transmitted and received between the mobile wireless telephone and the fixed wireless device.

Embodiment FIG. 1 is a connection configuration diagram for explaining the outline of a cordless button telephone device implemented according to the present invention, and FIG. 20 is a block diagram of the same cordless button telephone device.

In FIG. 1, 21 is a telephone line, and 22 is a main device, which is shown as an example in which one telephone line 1!21 is accommodated, but it is also possible to accommodate several lines.

Reference numerals 23a and 23n are key telephones, which are connected to the main device 22 by a connection line 26 consisting of a voice line and a data line, and are capable of performing general functions such as external calls, inter-internal calls, transfer calls, etc. It is configured so that it can be performed.

24a and 24n are fixed wireless devices connected to the main device 22 via a connection line 26, similar to the above-mentioned button telephones M23a and 23n. is configured to do so. In other words, the button telephone 23a is not equipped with a handset, a dial button, a hook switch, or other operating parts.
, 23n, and is equipped with a wireless transmitter/receiver circuit. (Details will be described later) 25a,
25n is a mobile radio telephone with the above-mentioned fixed radio equipment ff24a,
It is configured to form a wireless line in correspondence with 24n, and is provided with a wireless transmitting/receiving circuit, an operation section, and the like.

(Details will be described later) The fixed wireless devices 24a, 24n communicate with each other via the connection line 26 or the key telephones v123a, 23n by transmitting data with the main device 22.
A communication path can be formed with both. The call signal and state transition signals such as call origination and call termination are sent and received via the radio line with the mobile radio telephones 25a and 25n, and are used for internal calls between the mobile radio telephones fi 25a and 25n, selective calls with external lines, etc. Since complex data processing with the main device is not performed via a wireless line, a highly functional cordless button telephone device can be realized.

Next, the present invention will be explained in detail with reference to a second block diagram.

31, a, and 31n are telephone lines, 32 is a main device, and 33 is a telephone circuit including an office line circuit and a communication path switch. 3
4a, 34b to 34n are extension circuits provided according to the number of extensions; 35 is a telephone circuit 33 and extension circuits 34a to 34;
36 is a data transmitting/receiving circuit; 37 is a control circuit for controlling n;
is the fixed wireless device 39a via the data lines 43a to 43n.
and a power source for supplying power to the button telephones FR40a to 40n, and 38 is a power separation filter, both of which can be constructed by a circuit provided with a conventional button plugging device. 41 is the t#M line, which is connected to the above-mentioned communication lines 42a to 4.
Consisting of 2n and data a43a to 43n, call! !
42a to 42n connect each terminal device, that is, the fixed wireless device 39a and the button to the live wires 40a, 4On and the extension circuit 3.
4a to 34n are connected in a corresponding relationship, and the data line 43a
43n commonly connects each terminal device to the data transmitting/receiving circuit 36, forming a so-called extension data bus. The button telephones 1140a, 40n have a general configuration necessary to perform data transmission with the data transmitting/receiving circuit 36 and realize the function as a button telephone device. That is, except for the handset and the operation unit, it has the same configuration as the fixed wireless device 39a described later.

Next, the fixed wireless device 39a and mobile wireless telephone b441a will be explained. 42 is a power separation filter that separates the power from the power supply 37 applied via the data line 43a and supplies it to the constant voltage circuit 43. The output voltage of the constant voltage circuit 43 is applied to each part of the fixed wireless device W 39 a.

44 is a data transmitting/receiving circuit, 45 is a control circuit, 46 is a wireless transmitting/receiving circuit, and 47 is a 2-wire-4! i conversion circuit.

48 is an antenna. The wireless transmitter/receiver circuit 46 is the control circuit 4
The mobile radio telephone 41a is under the control of the mobile radio telephone 41a, and is configured to receive transmission signals and III call signals by forming a radio line with the mobile radio telephone 41a. The mobile radio is connected to the live line 41a, 49 is an antenna 150, a radio transmitting/receiving circuit, 51 is a control circuit, 52, 53 is an adder 411, 54 is a receiver, 55 is a transmitter, 56 is a hook switch, a dial button, etc. 57 is a display, and 58 is a battery. The wireless transmitting/receiving port n50 is connected to the wireless transmitting/receiving circuit 4 under the control of the control circuit η51.
Now that the mobile radio 41a is configured to form a wireless line with the button telephone 40a, for example, if the mobile radio 41a attempts to talk to the button telephone 40a, when the operation unit 56 is operated, ! l1t1
1 circuit 51 detects it and activates the wireless transmitter/receiver circuit 50, and a wireless line is formed between the wireless transmitter/receiver circuit 46 by wireless transmission from the wireless transmitter/receiver circuit 50, and then the operation unit 5
When the extension number corresponding to the stuffing machine 40a is sent by pressing the button 6, this number information is given to the control circuit 45 via the wireless line. The i1m circuit 45 determines this number information and causes the main device 1j32 to send data for inter-extension communication from the data transmitting/receiving circuit 44. When this data is received by the data transmission/reception circuit 36, the control circuit 35 drives the connection circuit 33 to connect the extension circuit 34a and 34. b is connected, and the extension lines n34a and 34b are controlled to be in operation. Further, the control circuit 35 controls the data transmitting/receiving circuit 36 to send data for "call generation" to the key telephone 40a.

As a result, if the key telephone 40a responds, a communication path is formed by the communication lines 43a and 42b via the extension lines 134a and 34b.
The operations after data transmission for extension interconnection by No. 4 are similar to those of a conventional general key telephone device.

When the communication path is established, the control circuit 35 controls the data transmitting/receiving circuit 36 to cause the fixed wireless device 39a to transmit data to that effect. The control circuit 45 which received this information sends the information from the wireless transmitter/receiver circuit 46 to the control circuit 51 via the wireless line, and then the control circuit 111i51 controls the wireless transmitter/receiver circuit 50 to make a call using the receiver 54 and the transmitter 55. A circuit is formed and communication between the mobile radio telephone 41a and the button telephone 40a becomes possible.

As can be seen from the above description, in the present invention, the data transmission necessary to realize the function of a button telephone device is performed between the fixed wireless device and key telephone device connected by wire and the main device. Therefore, control signals via the radio line between the mobile radio 8i and the packing machine 41a are used to send calls, end calls, turn on/off lamps, etc.
It is sufficient to send and receive operation information and state transition information from the server. Therefore, it is also possible to realize a cordless button telephone device with advanced functions that requires smooth data processing with the main device. Although Fig. 2 shows the case where there is only one fixed wireless device, the button can be replaced with the packing machines 40a to 40n and the fixed wireless device can be connected to form a wireless line segment in correspondence with each fixed and non-fixed device. If you install a mobile radio telephone that does this, you will never have to move! between telephones and the mobile radio telephone fi
It will be easily understood that it is also possible to carry out inter-extension communication between the control circuit 45 and the main device 39a. That is, according to the present invention, the control circuit 45 is provided with a state in which data signals transmitted and received with the main device are transmitted and received over the above-mentioned wireless line. ! All you have to do is focus on the function that converts it into I transition information. Note that the circuit for this conversion can be easily constructed by a person skilled in the art using, for example, a microprocessor, so the details will be omitted.

In the embodiments shown in FIG. 10 and FIG. 2, the arrangement relationship of the fixed wireless device connected to the main device by wire is not explained in detail.
It may be stored in the same case as the main device, and in that case, if all terminal devices connected by wire are fixed wireless devices, external wiring is unnecessary and construction is easy.
FIG. 4 is a block diagram of the above case, in which 61a to 61n are the main devices for the telephone line 62, 63a to 63n are the cases in which the fixed wireless devices 65 are housed together, and 64a to 64n are the fixed wireless devices 63a or 63n, respectively. A mobile radio telephone that correspondingly forms a radio link. In this case, power is supplied to the fixed wireless device from the data lines 43a to 43a.
If a separate power line is provided to supply the power without going through the power separation filter 42.43n, the power separation filter 42. Since the constant voltage circuit 43 and the like are not required, one circuit can be shared, and the entire device can be constructed at low cost.

"Effects of the Invention" According to the present invention, it is possible to connect mobile radios for inter-extension calls, etc.
A cordless button telephone device with AI system functions as a conventional button telephone device can be easily realized. Also,
Since there is no need to transmit and receive complicated data over a wireless line, there are advantages such as fewer operations.

[Brief explanation of drawings]

FIG. 1 is a connection configuration diagram illustrating an overview of a cordless button telephone device embodying the present invention, FIG. 20 is a block diagram of the same cordless button telephone device, FIG. 3 is a block diagram of a conventional cordless telephone device, and FIG. FIG. 3 is a block diagram showing another embodiment according to the present invention. 1.21.31a, 31n61a, 61n----
...Telephone line, 2.22, 32.62...
・Main device or master phone, 3a to 3n, 25a, 25n,
41a, 64a, 64n...Mobile radio telephone, 433...Telephone circuit, 5.11.
......Telephone, 6.10.46.50...
...... Wireless transmitting/receiving circuit 7.12.35.45.
51......Control circuit. 8 9 48.49・・・・・・Aerial, 13.
57・・・・・・Display unit, 14.56・・・・・・
...Operation unit, 23a. 23n...... button telephone, 26.41.
・・・・・・Tangential IIt line, 24a, 24n,
39a,, 63a, 63n...
・Fixed wireless equipment, 34a, 34b to 34n...
・・・Extension circuit, 37・・・・・・・・・ Source, 38
．． 42......Power separation filter, 43a.
......Data line, 43... Constant voltage circuit, 36.44... Data transmitting/receiving circuit, 47...・2-wire to 4-wire conversion circuit, 5
253...Amplifier, 54...
...Telephone receiver, 55...Telephone receiver, 58...
...Battery, 65... Case.

Claims (3)

[Claims] (1) A main device that accommodates at least one telephone line, which is connected to the main device by wire, receives power from the main device via the connection line, and sends and receives call signals to and from the main device. and a plurality of terminal devices including a control circuit for data transmission, and the terminal devices include a button telephone equipped with a communication means and an operating means such as a dial button, and a fixed telephone equipped with a wireless transmitting and receiving circuit. A mobile radio telephone is provided which forms a radio line with the fixed radio equipment, and the mobile radio telephone connects to other button telephones and mobile radio telephones via the radio line and the main device. Or a cordless button telephone device, characterized in that it is adapted to make calls to the above-mentioned telephone line. (2) A main device that accommodates at least one telephone line, which is connected to the main device by wire, receives power from the main device via the connection line, and transmits and receives call signals to and from the main device. A plurality of fixed wireless devices including a control circuit and a wireless transmitting/receiving circuit for data transmission, and a plurality of mobile wireless telephones forming a wireless line with the fixed wireless devices are provided, and each mobile wireless A cordless button telephone device, characterized in that the telephone is capable of communicating with another mobile radio telephone or the telephone line through the radio line and the main device. (3) A cordless button telephone device according to claim 2, characterized in that a main device and a plurality of fixed wireless devices are housed in a common case.