JPH0775367B2 - Cordless button telephone device - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a low-power cordless button telephone device capable of accommodating two or more office lines.

2. Description of the Related Art Generally, in a low-power cordless button telephone device, wireless communication is performed between a base set and a handset only during a call, and wireless communication is stopped at other times. Then, the wireless communication is started only when there is an incoming call or an outgoing call. A conventional low power cordless button telephone device will be described below.

FIG. 4 is a schematic block diagram showing a conventional configuration. Fourth
In the figure, 51 and 51a are base sets of cordless button telephones, which are connected to a key telephone main unit 68 via a station line 1 line 69, a station line 2 line 70, and a bus line 71.
Is a cordless button telephone handset corresponding to the above base set 51, 53 is an office line 1 / office line 2 switching relay, 54 is a station line / extension switching relay, 55 and 62 are communication circuits, and 56 is a wireless communication with the handset 52. RF unit to perform, 57 is a data communication filter that passes only the data necessary for controlling the button telephone, 58 is a main controller that controls the base set 51, 59 and 60 are antennas for wireless communication, 61 is a base set An RF unit for wireless communication, 63 is a microphone, 64 is a speaker, 65 is a sub controller for controlling the handset 52, 66 is an operation key, 67 is a call lamp for displaying the call status, 68 is a key telephone main unit, 69, Reference numeral 70 designates a central line 1 and a central line 2 which are respectively connected to the central line 1 and the central line 2 inside the key telephone main unit 68, and 71 is a bus line through which an extension call between the key telephones and control data are passed. That.

Next, the operation of the above conventional example will be described. In FIG. 4, when an incoming call arrives at the central office line 1, the key telephone main unit 68 informs the base set 51 of the incoming call through the bus line 71 to the base set 51. This data passes through the data communication filter 57 and is sent to the main controller 58. Next, RF unit 56-antenna 59-antenna
60-Wireless communication is performed through the route of the RF unit 61, and the above data is sent to the sub controller 65. Sub controller 65
Then, receiving this data, the call lamp 67 blinks to notify the user that there is an incoming call. When the user operates the operation key 66, the sub controller 65 turns on the call lamp 67 and opens the call circuit.
-Antenna 60-Antenna 59-The signal is sent to the main controller 58 through the route of the RF unit 56. In response to this, the main controller 58 transfers the station line 1 / station line 2 relay 53 to the station line 1 side,
The extension relay 54 is switched to the side of the office line 1 to form a station line communication loop and make a call.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention However, in the above-mentioned conventional cordless button telephone device (hereinafter referred to as a system), in a system having two or more central office lines, there is an incoming central office line, and when answering this, a handset is set. There is a problem in that it is not possible to know which station line is being used and the state of each station line (in use, incoming call, unused) cannot be seen from the display of only the call lamp provided in.

The present invention solves such a conventional problem, and at the same time, when the wireless communication is performed such as when there is an incoming call to the office line, the system state is transmitted at the same time, and the system state is displayed by the display of the lamp provided on the handset. An object of the present invention is to provide an excellent cordless telephone device.

Means for Solving the Problems In order to achieve the above object, the present invention provides a base set with storage means for storing the state of the system, and a handset with display means corresponding to each station line and extension line. The system state is transmitted from the base set to the handset at the start of use, and the system state at that time is displayed by the display means.

Therefore, according to the present invention, the system status is monitored through the bus line, this status is always stored in the storage means, and the system status is transmitted to the handset when the use of the wireless path is started, so that incoming / outgoing calls can be made. This has an effect that the state of the system at the time of processing can be displayed by the display means provided in the handset.

Practical Example FIG. 1 shows the configuration of an example of the present invention.
In FIG. 1, reference numerals 3 and 3a denote cordless button telephone base sets connected to a key telephone main unit 68 via a station line 1 line 69, a station line 2 line 70, and a bus line 71.
Is a handset of a cordless button telephone corresponding to the above-mentioned base set 3, 5 is a main controller for controlling the base set 3, 6 is a storage means for storing the state of the system (usage status of the extension line and extension line), and 7 is Handset 4
The sub-controllers 8 and 9 for controlling the above are lamps for displaying the usage status of the station line 1 and the station line 2 based on the system status data transmitted from the base set 3 at the time of starting the use of the radio path. The other components are the same as those described in the conventional example. 2 and 3 are block diagrams showing the functions of the main controller and the sub controller in this embodiment. 2 and 3, 11 is a local line
1 / station line switching means for switching the 2 switching relays, 12 is a station / extension switching means for switching the station / extension switching relays,
13 is sent by wireless communication from the handset 4 and is an RF unit
A received data processing means for processing the data received at 56,
A bus data receiving means 14 receives and processes data passing through the bus line 71 through a data communication filter 57, and 15
Is a wireless data transmitting means for processing the data to be sent to the handset 4 and transmitting it to the RF unit 56, and 16 is a system state of the data processed by the bus data receiving means 14 (station line, extension usage status, etc.) Is stored in the storage means 6; 17 is a system status reading means for reading the system status at the start of use of the wireless channel from the storage means 6 and sending it to the wireless data transmitting means; 21 is a wireless communication from the base set 3. Data receiving means for processing the data sent by the RF unit 61, and 22 is a lamp light emitting means for making the station line 1 lamp 8 and the station line 2 lamp 9 emit light according to the system status data sent from the base set 3. , 23 are data transmitting means for sending the data processed by the key input means 25 to the RF unit 61 so as to send to the base set 3, 24
Is a call circuit control circuit for controlling the call state, and 25 is an operation key
It is a key input processing means for reading 66 operations and converting them into data.

Next, the operation of the above embodiment will be described. In the above embodiment, the operation when there is an incoming call on the central line 1 will be described. When there is an incoming call to the central office line 1, the key telephone main unit 68 informs the base set 3 as an incoming data to the central office line 1 through the bus line 71. This is passed through the data communication filter 57 and sent to the wireless data transmitting means 15. At the same time, the system state storing means 16 reads the system state stored in the storing means 6 by the system state reading means 17 and sends it to the wireless data transmitting means 15. The wireless data transmission means 15 stores these data.
RF unit 56-antenna 59-antenna 60-RF unit 61
The data is transmitted to the data receiving means 21 by wireless communication through the route. Based on these data, the data receiving means 21 blinks the call lamp 67 and the office line 1 lamp in red to notify the user that there is an incoming call on the office line 1. At the same time, the status of use of the station line 2 is also indicated by the display of the station line 2 lamp 9 (blinking red when receiving a call, lighting green when in use, blinking green when on hold). Here, the user knows that there is an incoming call on the station line 1, so by operating the operation key 66 and selecting a call on the station line 1, the key input processing means 25 causes the lamp light emitting means 22 to change. Report this, call lamp 67, line 1
The lamp 8 is lit in green. At the same time, the call circuit control means 24 sends data to open the call circuit,
Put the 62 in a call-enabled state. In addition, the data is transmitted from the data transmission means 23 to the RF unit 61-antenna 60-antenna 59.
-The data is transmitted to the wireless data receiving means 13 through the route of the RF unit 56, the station line switching means 11 moves the station line 1 / station line 2 switching relay 53 to the station line 1 side, and the station line / extension switching means 12 transmits the station line / The extension line switching relay is switched to the station line side to form a station line communication loop,
Make a call.

As described above, according to the above-described embodiment, the system state is always stored in the storage device 6, the data of this state is transmitted to the handset 4 at the start of use of the wireless path, and the lamp 8 provided in the handset 4 Displaying at 9 has an effect of being able to know the state of the system at the start of use of the wireless path.

It should be noted that the above embodiment is an example of the case where an incoming call is received on the station line 1, but this is performed when an incoming call is received on the station line 2 or when a call is made from the handset, that is, the wireless path between the base set and the handset. It can have a similar effect at the start of use. Further, by providing a lamp for displaying the usage status of the extension, the usage status of the extension can also be displayed.

EFFECTS OF THE INVENTION As is apparent from the above embodiment, the present invention provides a system state storage device in a base set, and a handset
Provide station line lamps and station line lamps corresponding to station lines and extension lines,
By adding the system status data to the communication data at the start of using the wireless path and performing wireless communication, the station line lamp and the extension lamp provided on the handset are displayed. In other words, the user has the effect of being able to know the state of the system by looking at the lamp of the handset at the time of starting the use of the wireless path such as when receiving an incoming call and when making an outgoing call.

[Brief description of drawings]

FIG. 1 is a block diagram of one embodiment of the present invention, FIG. 2 is a functional block diagram of a main controller in this embodiment, FIG. 3 is a functional block diagram of a sub controller in this embodiment, and FIG. 4 is a conventional example. It is a block diagram of. 3 ... Base set, 4 ... Handset, 5 ... Main controller, 6 ... Storage means, 7 ... Sub controller, 8 ... Station line 1 lamp, 9 ... Station line 2 lamp, 15 ...
Wireless data transmitting means, 16 ... System state storing means, 17
…… System status reading means, 21 …… Data receiving means,
22 …… Lamp issuing means, 23 …… Data transmitting means, 25 ……
Key input processing means, 59,60 …… antenna, 56,61 …… RF unit, 67 …… call lamp, 68 …… button telephone main unit,
69 …… Station line 1 line, 70 …… Station line 2 line, 71 …… Bus line.

Claims (1)

[Claims] 1. A plurality of cordless devices connected to a key telephone main unit through a key telephone main unit, a line line for transmitting a line telephone communication signal, and an extension line communication signal between the button telephones and a bus line for transmitting control data. It consists of a base set for key telephones and the same number of handsets corresponding to the above base sets.The base set has a data communication filter that passes only the data necessary for controlling the key telephones and the main set controls. A controller, a storage unit that constantly stores the system state of the key telephone device, an RF unit that performs wireless communication with the handset, and an antenna for wireless communication.
An antenna for wireless communication, an RF unit that performs wireless communication with the base set, a sub-controller that controls the handset, and a station line display unit that displays the usage status of the station line. A cordless button telephone device characterized in that, when the road is started, the state of the system at that time is displayed on the display means.