JPH0568283A - Key telephone system - Google Patents

Abstract

PURPOSE:To provide a key telephone system in which the state of a master set is recognized by a mobile set being a cordless telephone set accommodated as an extension exclusive telephone set. CONSTITUTION:A display section used to display the state of a master set 101 is provided on mobile sets 110a-110d of a radio telephone set connecting to the extension of the key telephone system, and a state display signal is sent to the display section of the mobile sets 110a-110d [from a state storage section 106 provided on the master set 101 of the key telephone system[ or [from a state storage section provided on stationary sets 109a, 109b of the radio telephone set.] Moreover, the time when the state display signal occupies the radio communication channel is reduced by selecting the time when the state display signal is sent.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a key telephone apparatus which accommodates a radio telephone apparatus composed of a mobile unit and a fixed unit as an extension telephone.

[0002]

2. Description of the Related Art In recent years, cordless telephones have come to be used not only for home use but also for business use.
As one of the usage forms, there is an example in which a cordless telephone is used as an extension terminal of a button telephone device. In this case, the cordless telephone is connected to the general telephone interface on the extension side of the button telephone device.

[0003]

However, in the above-mentioned conventional example, the cordless telephone mobile unit is vacant, busy,
Since there is no means for displaying the usage status of the outside line accommodated by the key telephone, such as when the telephone is on hold, the user of the mobile device of the cordless telephone cannot know the state of the main device.

Therefore, it is possible to transmit a status display signal from the main unit to the mobile unit and display it on the side of the mobile unit. In this case, wireless communication between the fixed unit and the mobile unit is performed. When the channel access method is used, the status display signal of the main device cannot always be transmitted due to the limitation of the use of the control channel.

It is an object of the present invention to provide a key telephone device which enables a mobile device of a cordless telephone accommodated as an extension telephone to know the state of the main device.

[0006]

According to the present invention, a stationary machine is provided with a state storage means for storing the state of a main unit of a key telephone device, and a mobile unit is provided with a state display unit for displaying the state of the main unit. The stationary machine transmits the status display signal to the mobile station by storing the status of the main machine in response to the status display signal from the main machine, and the mobile station receives the status display signal from the stationary machine in the main machine. It is characterized by displaying the state of.

According to the present invention, the mobile device is provided with a status display means for displaying the status of the main device of the key telephone device, and the main device notifies the mobile device of the status display signal via the fixed device, thereby the main device. It is characterized in that the state of is displayed on the mobile device.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a system configuration diagram of a button telephone device showing an embodiment of the present invention.

The main unit 101 of this button telephone device is a station line interface 104 for accommodating a plurality of telephone lines 102 such as general subscriber lines, an extension-dedicated telephone interface 105 for accommodating a plurality of extensions 103, and a button telephone device. Main device 101 such as the usage status of the telephone line 102 of
It has a state storage unit 106 for storing the state of, a communication path circuit 107 for exchanging a communication path, and a control unit 108 for overall control of the main device 101.

To each of the extensions 103, dedicated fixed machines 109a to 109b for cordless telephones and telephones 111a to 111d dedicated to extension are connected. In addition, a dedicated mobile device 1 corresponding to each dedicated stationary device 109a-109b
10a to 110d are provided.

FIG. 2 is a block diagram showing the dedicated stationary machines 109a-109b.

Dedicated fixed machines 109a-109b include an interface section 201 with the main unit 101, an audio processing circuit 202 for processing an audio signal, a wireless circuit section 203 for a wireless communication process, and the fixed machine 109. A control unit 204 that executes overall control, and a modem 20 that performs signal modulation / demodulation
5, a ROM 206 storing a control program, an antenna 207 for transmitting and receiving wireless signals, a main unit state storage unit 208 for storing the state of the main unit 101 such as the usage status of the telephone line 102 of a key telephone, and a real time clock 209. Have and.

FIG. 3 is a block diagram showing the dedicated mobile units 110a to 110d, and FIG. 4 is a block diagram showing the dedicated mobile units 110a to 110d.
It is a front view which shows the external appearance of the operation part of 110d.

The dedicated mobile units 110a to 110d include a receiver 301, a transmitter 302, a voice processing circuit 303 for processing a voice signal, and a radio circuit section 3 for performing a radio communication process.
04, a control unit 305 that executes overall control of the mobile device 110, a modem 306 that modulates and demodulates signals, a ROM 307 that stores a control program, and an antenna 308 that transmits and receives wireless signals. Further, the operation unit includes a call start button 309 for instructing the start of a call, a call end button 310 for instructing the end of the call, an outside line lamp 311 for displaying the outside line usage status of the button telephone device, and various function modes. It has a function key 312 for obtaining, a dial information input section 313 composed of a ten-key for inputting a telephone number, and a liquid crystal display 314 for displaying numbers and characters.

FIG. 5 is a flow chart for explaining the flow of the status display signal in this embodiment.

In the main unit 101, the control unit 108 sequentially reads the usage status of the telephone line 102 such as idle, busy, and on hold from the status storage unit 106 (S401), and sends a status display signal to the dedicated fixed machine 109. ..

Dedicated stationary machine 1 that has received this status display signal
09 stores the state of the main device in the main device state storage unit 208 (S402).

When the dedicated stationary device 109 transmits a status display signal to the dedicated mobile device 110, the control unit 204 reads the status of the main device 101 from the status storage unit 208 (S403) and the status display signal is dedicated. The data is transmitted to the mobile device 110 on the control channel.

Dedicated mobile unit 1 that receives this status display signal
10 is displayed on the outside line lamp 311 via the control unit 305 (S404). By the lighting display of the outside line lamp 311, it can be known that the outside line is in use.

According to the first embodiment described above, the dedicated mobile unit 1
Telephone line 1 in which 10 users are accommodated in a key telephone device
02 status can be known. Further, even when the status display signal is constantly transmitted from the main device 101, the status display signal can be transmitted to the dedicated mobile device 110 so that the dedicated stationary device 109 reduces the time occupied by the control channel.

Next, as a second embodiment, a status display signal may be transmitted to the dedicated mobile device 110 through the control channel each time the status of the main device status storage unit 208 in the first embodiment changes.

According to the second embodiment, it is not necessary to always send the status display signal, and it is sent only when the display of the outside line lamp 311 has to be changed. Further, the exclusive time of the control channel can be reduced.

Next, as a third embodiment, the real-time clock 209 in the first embodiment notifies the control unit 204 of the time information at regular intervals, and the dedicated fixed machine 109
The status display signal may be transmitted to the dedicated mobile device 110 via the control channel at regular intervals.

According to the third embodiment, it is not necessary to constantly transmit the status display signal, and the notification interval is set to an appropriate value to reduce the occupied time of the control channel even when the status changes drastically. You can

FIG. 6 is a flow chart for explaining the flow of the status display signal in the fourth embodiment of the present invention.

When the user of the dedicated mobile device 110 makes a call request by pressing the notification start button 309, the dedicated mobile device 110 transmits a call signal to the dedicated fixed device 110 (S501). ..

Dedicated fixed machine 109 that received this calling signal
Controls the state of the main device from the state storage unit 208.
Is read (S502) and the status display signal is sent to the dedicated mobile unit 1
10 on the control channel.

Then, the dedicated mobile unit 110, which has received the status display signal, receives the outside line lamp 31 via the control unit 305.
No. 1 is displayed (S503).

According to the fourth embodiment, it is not necessary to always transmit the status display signal, and the exclusive time of the control channel can be reduced. Further, since a state display signal is sent at the time of calling and the outside line lamp 311 can be displayed, excluding the display of the outside line lamp 311 except when making a call is useful for battery saving of the dedicated mobile devices 110a to 110d. effective.

Next, as a fifth embodiment, when the dedicated fixed machine 109 in the first embodiment transmits an incoming call signal to the dedicated mobile station 110, a status display signal is transmitted to the dedicated mobile station 110 on a control channel. You can

According to the fifth embodiment, it is not necessary to always send the status display signal, and the exclusive time of the control channel can be reduced. In addition, since a status display signal is sent at the time of an incoming call and the outside line lamp 311 can be turned on, excluding the display of the outside line lamp 311 except when the incoming call is made is useful for battery saving of the dedicated mobile devices 110a to 110d. effective.

FIG. 7 is a flow chart for explaining the flow of the status display signal in the sixth embodiment of the present invention.

When the user of the dedicated mobile unit 110 makes a status display request by pressing one of the function keys 312, for example, the outside line lamp display key (S601), the dedicated mobile unit 110 is displayed. Sends a status display request signal to the dedicated stationary device 109. Then, in the dedicated stationary device 109 that has received the status display request signal, the control unit 204 reads the status of the main device 101 from the status storage unit 208 (S602) and sends the status display signal to the dedicated mobile device 1
10 on the control channel. The dedicated mobile device 110 that has received this state display signal displays the external line lamp 311 via the control unit 204 (S603).

According to the sixth embodiment, it becomes unnecessary to constantly transmit the status display signal, and the exclusive time of the control channel can be reduced. In addition, the dedicated mobile devices 110a-1
When the user of 10d requests the display of the outside line lamp 311, a status display signal is sent and the outside line lamp 311 can be displayed. Therefore, by turning off the display of the outside line lamp 311 except when the request is made, the dedicated mobile device 110a ~ 110d
It has the effect of being useful for battery saving.

In each of the above embodiments, when the communication channel is set up for transmission of the status display signal from the dedicated fixed device 109 to the dedicated mobile device 110, the control channel is further transmitted by using the communication channel. You can reduce your monopoly time.

In each of the above embodiments, the dedicated mobile unit 110 which receives the status display signal from the dedicated fixed unit 109.
Is displayed on the liquid crystal display 314 via the control unit 305, so that the telephone line 1 corresponds to the code of the status display signal.
It is possible to inform the user of the dedicated mobile device 110 of the states of the main device 101 other than the use state of 02.

FIG. 8 is a system configuration diagram showing a seventh embodiment of the present invention, and FIG. 9 is a dedicated fixed machine 10 of this embodiment.
9a to 109b, and FIG. 10 is a block diagram showing the dedicated mobile devices 110a to 110d of this embodiment.

In the above-described first to sixth embodiments, the dedicated stationary machine 109 is provided with the state storage unit 208 and the real-time clock 2.
09, and the status display signal of the main device 101 was received and sent to the dedicated mobile device 110. However, in the seventh and subsequent embodiments, the status storage unit 208 and the real-time clock 209 are excluded from the dedicated stationary device 109. The main device 101 is provided with a real-time clock 119, and the status display signal of the main device 101 is directly sent to the dedicated mobile device 1 via the dedicated fixed device 109.
It is designed to be sent to 10. The rest of the configuration is similar to that of the first embodiment, and will be described with the same reference numerals.

FIG. 11 is a flow chart for explaining the flow of the status display signal in the seventh embodiment.

In the main unit 101, the control unit 108 sequentially reads the usage status of the telephone line 102 such as idle, busy, and on hold from the status storage unit 106 (S701), and sends a status display signal to the dedicated fixed machine 109. ..

Dedicated stationary machine 1 that has received this status display signal
Reference numeral 09 denotes an interface unit 201 and a voice processing circuit 20.
2. The status display signal is transmitted to the dedicated mobile device 110 through the control channel through the wireless circuit unit 203 and the antenna 207.

Dedicated mobile unit 1 that has received this status display signal
10 is displayed on the outside line lamp 311 via the control unit 305 (S702).

According to the seventh embodiment described above, the dedicated mobile unit 1
Telephone line 1 in which 10 users are accommodated in a key telephone device
02 status can be known.

Next, as an eighth embodiment, a status display signal may be transmitted to the dedicated mobile unit 110 through the control channel each time the status of the status storage unit 106 in the seventh embodiment changes.

According to the eighth embodiment, the status display signal need not always be transmitted, and is transmitted only when the display of the outside line lamp 311 has to be changed. Further, the exclusive time of the control channel can be reduced.

Next, as a ninth embodiment, the real time clock 119 in the seventh embodiment notifies the control unit 108 of the time information at regular intervals, and the main unit 101 exclusively transfers the status display signal at regular intervals. It may be transmitted to the machine 110 via a control channel.

According to the ninth embodiment, it is not necessary to always transmit the status display signal, and the notification interval is set to an appropriate value to reduce the occupied time of the control channel even when the status changes drastically. You can

FIG. 12 is a flow chart for explaining the flow of the status display signal in the 10th embodiment of the present invention.

When the user of the dedicated mobile device 110 makes a call request by pressing the notification start button 309, the dedicated mobile device 110 transmits a call signal to the dedicated fixed device 109 (S801). ..

Dedicated fixed machine 109 that received this calling signal
Sends a calling signal to the main device 101.

The main device 101 which receives this calling signal,
The control unit 108 reads the use status of the telephone line 102 such as vacant, busy, and on hold from the state storage unit 106 (S80).
2) The status display signal is transmitted to the dedicated stationary device 109 through the control channel.

Upon receiving this status display signal, the dedicated stationary device 109 transmits the status display signal to the dedicated mobile device 110 via the interface section 201, the voice processing circuit 202, the radio circuit section 203, and the antenna 207 on the control channel.

Dedicated mobile unit 1 that receives this status display signal
10 is displayed on the outside line lamp 311 via the control unit 305 (S803).

According to the tenth embodiment, it becomes unnecessary to constantly transmit the status display signal, and the exclusive time of the control channel can be reduced. Further, since a state display signal is sent at the time of calling and the outside line lamp 311 can be displayed, excluding the display of the outside line lamp 311 except when making a call is useful for battery saving of the dedicated mobile devices 110a to 110d. effective.

Next, as an eleventh embodiment, when the main unit 109 in the seventh embodiment sends an incoming call signal to the dedicated mobile unit 110, a status display signal is sent to the dedicated mobile unit 110 on the control channel. May be.

According to the eleventh embodiment, it is not necessary to always transmit the status display signal, and the exclusive time of the control channel can be reduced. In addition, since a status display signal is sent at the time of an incoming call and the outside line lamp 311 can be turned on, excluding the display of the outside line lamp 311 except when the incoming call is made is useful for battery saving of the dedicated mobile devices 110a to 110d. effective.

FIG. 13 is a flow chart for explaining the flow of the status display signal in the twelfth embodiment of the present invention.

When the user of the dedicated mobile unit 110 makes a status display request by pressing one of the function keys 312, for example, the outside line lamp display key (S901), the dedicated mobile unit 110 is pressed. Sends a status display request signal to the dedicated stationary device 109. Then, the dedicated fixed machine 109 that has received this status display request signal transmits a status display request signal to the main device 101.

Main device 1 which has received this status display request signal
In 01, the control unit 108 reads the use status of the telephone line 102 such as idle, busy, or on hold from the status storage unit 106 (S902), and sends a status display signal to the dedicated fixed machine 109 through the control channel.

Upon receiving the status display signal, the dedicated stationary device 109 transmits the status display signal to the dedicated mobile device 110 via the interface unit 201, the voice processing circuit 202, the wireless circuit unit 203, and the antenna 207 on the control channel.

Dedicated mobile unit 1 that has received this status display signal
10 is displayed on the outside line lamp 311 via the control unit 204 (S903).

According to the twelfth embodiment, it becomes unnecessary to constantly transmit the status display signal, and the exclusive time of the control channel can be reduced. In addition, the dedicated mobile device 110a-
When the user of 110d requests the display of the outside line lamp 311, a status display signal is sent and the outside line lamp 311 can be displayed. Therefore, by turning off the display of the outside line lamp 311 except when the request is made, the dedicated mobile unit 110a ~ 110
This has the effect of helping the battery saving of d.

In the seventh to twelfth embodiments described above, if a communication channel is set up for transmission of the status display signal from the main unit 101 to the dedicated mobile unit 110, it is possible to use this communication channel. Moreover, the occupied time of the control channel can be further reduced.

In the seventh to twelfth embodiments described above, the dedicated mobile unit 110, which has received the status display signal from the main unit 101, displays the status display signal on the liquid crystal display 314 via the control unit 305. The status of the main device 101 other than the usage status of the telephone line 102 can be communicated to the user of the dedicated mobile device 110 in accordance with the code.

[0065]

As described above, according to the present invention,
By providing the mobile device of the radiotelephone device connected to the extension of the key telephone device with means for displaying the state of the main device, the user of the mobile device can be informed of the state of the main device.

Furthermore, by selecting the time when the status display signal is transmitted, there is an effect that the time when the status display signal occupies the wireless communication channel can be reduced.

[Brief description of drawings]

FIG. 1 is a block diagram showing a first embodiment of the present invention.

FIG. 2 is a block diagram showing a dedicated stationary machine in the first embodiment.

FIG. 3 is a block diagram showing a dedicated mobile device in the first embodiment.

FIG. 4 is a front view showing the external appearance of the operation unit of the dedicated mobile device in the first embodiment.

FIG. 5 is a flowchart showing a flow of a status display signal in the first embodiment.

FIG. 6 is a flowchart illustrating the flow of a status display signal in the fourth embodiment of the present invention.

FIG. 7 is a flowchart illustrating the flow of a status display signal in the sixth embodiment of the present invention.

FIG. 8 is a system configuration diagram showing a seventh embodiment of the present invention.

FIG. 9 is a block diagram showing a dedicated stationary machine of the seventh embodiment.

FIG. 10 is a block diagram showing a dedicated mobile device of the seventh embodiment.

FIG. 11 is a flowchart showing the flow of a status display signal in the seventh embodiment.

FIG. 12 is a flowchart illustrating the flow of a status display signal in the tenth embodiment of the present invention.

FIG. 13 is a flowchart illustrating the flow of a status display signal in the twelfth embodiment of the present invention.

[Explanation of Codes] 101 ... Main device, 102 ... Telephone line, 103 ... Extension, 104 ... Station line interface, 105 ... Extension dedicated telephone interface, 106, 208 ... Status storage section, 107 ... Call path circuit, 108, 204, 305 ... Control part, 109a-109b ... Dedicated fixed machine, 110a-110b ... Dedicated mobile machine, 111a-111d ... Extension telephone, 119, 209 ... Real-time clock, 309 ... Call start button, 310 ... End button, 311 ... External line lamp, 312 ... Function key, 313 ... Dial information input section, 314 ... Liquid crystal display.

Claims (12)

[Claims] 1. A button telephone device accommodating a radiotelephone device comprising a mobile device and a fixed device as an extension-only telephone, wherein the fixed device is provided with a state storage means for storing the state of the main device of the button telephone device, and The mobile device is provided with a status display means for displaying the status of the main device, and the fixed device stores the status of the main device in response to the status display signal from the main device, thereby transmitting the status display signal to the mobile device. The mobile phone, however, displays the status of the main device in response to the status display signal from the stationary device. 2. The key telephone device according to claim 1, wherein the state of the main unit is notified to the mobile unit every time the state of the main unit stored in the mobile unit changes. 3. The key telephone device according to claim 1, wherein the mobile device is provided with a time notification means to notify the mobile device of the state of the main device at regular time intervals. 4. The key telephone device according to claim 1, wherein when the fixed unit receives a call signal from a mobile unit, the state of the main unit is notified to the mobile unit. 5. The method according to claim 1, wherein when the stationary machine transmits an incoming call signal to a mobile machine,
A button telephone device characterized by notifying a mobile device of the state of the main device. 6. The display requesting means for requesting the mobile device to transmit a display request signal to a stationary device according to claim 1, wherein the stationary device receives the display request signal from the mobile device. A key telephone device characterized by notifying the mobile device of the status of the main device when the key telephone device is operated. 7. A button telephone device accommodating a radiotelephone device comprising a mobile device and a fixed device as an extension-only telephone, wherein the mobile device is provided with a state display means for displaying the state of the main device of the button telephone device. A button telephone device characterized in that the device notifies the mobile device of a status display signal via a stationary device, thereby displaying the status of the main device on the mobile device. 8. The key telephone device according to claim 7, wherein the state of the main device is notified to the mobile device every time the state of the main device changes. 9. The key telephone device according to claim 7, wherein the main device is provided with a time notification means to notify the mobile device of the state of the main device at regular time intervals. 10. The key telephone device according to claim 7, wherein when the main device receives a call signal from the mobile device, the state of the main device is notified to the mobile device. 11. The method according to claim 7, wherein when the main device transmits an incoming call signal to a mobile device,
A button telephone device characterized by notifying a mobile device of the state of the main device. 12. The display request means for requesting the mobile device to transmit a display request signal to the main device according to claim 7, wherein the main device receives the display request signal from the mobile device. A key telephone device characterized by notifying the mobile device of the status of the main device when the key telephone device is operated.