JPH09247280A - Home station device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily have a door phone communication with a door phone device such as an interphone device by using a general telephone set. SOLUTION: When a door phone ringing detecting circuit 5 detects the ringing of the door phone device 20, a system control part 16 of the home station device 1 to which a telephone set 30 is connected sounds the bell of the telephone set 30 by a ringing signal sending-out circuit 11 to and a DC supply circuit 12 supplies a DC current to the telephone set 30. When an off-hook detecting circuit 13 detects the off-hook operation of the telephone set 30, a relay switch ReE is switched to an (a)-terminal side and a switch SWA is turned on to allow a door phone communication between the door phone device 20 and telephone set 30.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a home station device for making a doorphone call with an intercom device such as an intercom device.

[0002]

2. Description of the Related Art Conventionally, a ringing signal detecting circuit for detecting a ringing signal for notifying an incoming call, a line closing circuit for closing a line when an incoming call arrives, and a line monitoring circuit for monitoring a usage state of the line,
A call circuit for transmitting and receiving, and a wireless circuit for wirelessly communicating between the base set unit and the handset unit,
A central control circuit for controlling those circuits, a connection terminal for connecting an intercom device such as an intercom device provided in the base set unit, a doorphone call detection circuit for detecting the operation of the intercom device, and a doorphone call with the intercom device A personal handyphone system terminal device (abbreviated as "PHS terminal device") is provided with a call switching circuit for switching between a call and a line call, and a power supply circuit for supplying electric power from a power supply to the doorphone device when the doorphone device operates. There is a home station device such as a cordless telephone device (for example, see Japanese Patent Application Laid-Open No. 4-49743) which enables a doorphone call to be made by such a cordless telephone device.

[0003]

However, in the above-mentioned conventional home station apparatus, it is not possible to connect and use a general telephone that has been used up to now, so that the telephone can be used for intercom communication. There was a problem that I could not. Also, although it is possible to make a doorphone call using a cordless telephone device, there is a limit to the distance that wireless communication can be performed from the base set part of the cordless telephone device to the handset part, so the user must have a cordless telephone device. There is also a problem that if you go out, you will not be able to make door-to-door calls with those who are away.

The present invention has been made in view of the above points, and it is a first object of the present invention to make it possible to easily carry out an intercom call with an intercom device such as an intercom device using a general telephone. A second object is to enable a user to easily carry out a doorphone call with a visitor using a doorphone device while carrying out a PHS.

[0005]

In order to achieve the above object, the present invention provides means for making a telephone call between a telephone and a public line, and a telephone call between the public line and a personal handyphone system terminal device. In a home station device equipped with a means for wirelessly performing, a doorphone call detection means for connecting a doorphone device such as an intercom device and detecting a call of the doorphone device,
When a call is detected by the means, a telephone calling means for calling by ringing the bell of the telephone, a direct current supply means for supplying a direct current to the telephone at the time of calling by the means, and a direct current supply by the means An off-hook detecting means for detecting an off-hook of the telephone and a means for making a call between the intercom apparatus and the telephone when the off-hook is detected by the means are provided.

Further, it is preferable that the telephone calling means has means for calling the bell of the telephone differently when an incoming call is received from the public line and when a calling of the intercom system is detected. Further, it is preferable to provide means for selecting whether or not to ring the bell of the telephone when the telephone calling means detects the calling of the intercom system.

Further, when means for detecting a call by the intercom call detecting means is provided, means for calling the personal handyphone system terminal device to make a call between the doorphone device and the personal handyphone system terminal device is provided. Good.

Further, means for detecting that the personal handyphone system terminal device is not nearby, and means for detecting that the personal handyphone system terminal device is not nearby when the calling of the intercom device is detected, Automatic calling means for automatically calling to the personal handyphone system terminal device via the public line, and response detecting means for detecting a response of the personal handyphone system terminal device to the automatic calling by the means. And when a response is detected by that means,
It is preferable to provide means for making a call between the doorphone device and the personal handyphone system terminal device via the public line.

Further, it is preferable to provide a message sending means for sending to the personal handyphone system terminal device a message that makes it possible to recognize the calling of the intercom device when the reply is detected by the reply detecting means. Further, it is preferable to provide means for selecting whether or not to automatically call the personal handyphone system terminal device when the automatic calling means detects a call to the intercom device. Furthermore, if a means is provided for enabling the personal handyphone system terminal device to make a setting to prohibit the automatic call of the personal handyphone system terminal device at the time of detecting the calling of the intercom device by the automatic call means. Good.

According to the home station apparatus of the first aspect of the present invention, when a general telephone is connected and the calling of the intercom apparatus is activated, the intercom communication with the intercom apparatus can be performed by the connected telephone. As a result, it is economical to use a general telephone that has been used up to now as a home telephone that can make an intercom call with an intercom system, and the user can leave the room where the telephone is placed. It is convenient because you can make door-to-door calls with visitors without having to.

Further, according to the home station apparatus of claim 2 of the present invention, when calling from the intercom apparatus, the interval for ringing the bell of the telephone, the pitch of the sound, the length, etc. of the telephone call from the public line are set. Since it is different from the time, the user can easily identify whether the intercom device is ringing or the call is coming from the telephone line based on the ringing of the bell of the connected telephone. It is convenient to be able to make an accurate response.

Further, according to the home station apparatus of the third aspect of the present invention, whether or not to ring the bell of the telephone when the intercom apparatus is called can be selected and set in advance. Therefore, for example, when an answering machine is connected to the telephone, it is possible to prevent the telephone from ringing when the intercom device is called. Therefore, the bell of the telephone can be prevented from ringing according to the convenience of the user, which is convenient.

According to a fourth aspect of the home station apparatus of the present invention, the personal handyphone system terminal apparatus is called when the intercom apparatus is called so that the intercom communication with the intercom apparatus can be performed. Therefore, the user can make a doorphone call with the doorphone device by using the portable personal handyphone system terminal device anywhere in the house and even outside the house within the distance that the radio wave from the home station device can reach. It is convenient and convenient.

Further, according to the home station device of claim 5 of the present invention, when the user carries the personal handyphone system terminal device and calls the intercom device while the user is out, the personal handyphone system terminal device is activated. Call the device over the public line,
Since it is possible to make a doorphone call with the doorphone device, the user can make a doorphone call with a visitor who is out of the office even when they are out in a remote place, and it is convenient because they can listen to their needs. Is.

According to the home station device of claim 6 of the present invention, when the personal handyphone system terminal device is called via the public line, a display indicating that the call is an operation of calling the intercom device. Since a message such as voice or voice is sent, the user can easily recognize that it is a call to the intercom apparatus, and can make an appropriate response according to the convenience of the user. In addition, when the visitor is not aware that he / she is out, it is convenient for the visitor not to notice it.

Further, according to the home station device of claim 7 of the present invention, whether or not the personal handyphone system terminal device is automatically called when the intercom device is called. Therefore, for example, when the user does not want to make a doorphone call by the doorphone device at a place where he / she is out, the user can be prevented from calling the doorphone call. Therefore, it is convenient because it is possible to prevent the personal handyphone system terminal device from automatically calling according to the convenience of the user.

Further, according to the home station device of claim 8 of the present invention, automatic calling is made when the intercom device is called based on an instruction by a key operation in the personal handyphone system terminal device. Since the prohibition is set, it is possible to prevent the user from calling the intercom to the personal handyphone system terminal device from the outside at the convenience of the user. For example, the same visitor or a mischief may call the user frequently. The complexity can be eliminated and it is convenient, and it is economical because it is possible to prevent the call charge from being unnecessarily charged by such a call.

[0018]

Embodiments of the present invention will be specifically described below with reference to the drawings. FIG. 1 is a block diagram showing an internal configuration of a home station apparatus and a doorphone apparatus according to an embodiment of the present invention, and FIG. 2 is a direct wireless communication between the home station apparatus and a personal handyphone system terminal apparatus shown in FIG. Illustration of when possible,
FIG. 3 is an explanatory diagram when communication is performed between the home station device and the personal handyphone system terminal device shown in FIG. 1 via a public line.

As shown in FIG. 2, the home station device 1 includes an intercom device 20, such as an intercom device,
A general telephone 30 and a public line 31 such as a telephone line are connected to allow normal telephone communication between the telephone 30 and the public line 31. In addition, a wireless communication between the personal handyphone system terminal device (PHS terminal device) 32 and the public line 31 is performed. That is, PHS
The terminal device 32 can be used as a digital cordless phone at home.

Further, as something related to the present invention,
An intercom call is made between the intercom device 20 and the telephone 30. Further, the intercom call is made between the intercom 20 and the PHS terminal 32 via the public line 31.

Furthermore, as shown in FIG. 3, a PHS terminal moved to a remote place via a base station 34 of a public line network 33 composed of a PSTN connected to the public line 31, a digital network, an exchange, and the like. An intercom call is made with the device 32. The base stations 34 are installed in various places in the town, and even if the PHS device 32 moves to a remote place, the base stations 34 wirelessly communicate with any one of the base stations 34, and the communication is carried out via the public network 33 to the home station. Possible with device 1.

Therefore, the following various user functions are provided as functions related to the present invention. (1) Function for enabling intercom communication between the telephone 30 and the telephone 30 when the intercom device 20 is called (2) When calling from the intercom device 20 and the public line 3
A function to make the ringing of the bell of the telephone 30 different when receiving a call from (1) the telephone 30 when calling from the doorphone device 20
A function that allows you to select whether or not to ring the bell

(4) Function for enabling wireless intercom communication with the PHS terminal device 32 when the call of the intercom device 20 is activated (5) The public line 31 is activated when the call of the intercom device 20 is activated A function for calling the PHS terminal device 32 at a remote place via the public line 31 through the public line 31 with the intercom device 20.

(6) A function of transmitting a message notifying that the call is made by the intercom device 20 when the PHS terminal device 32 at a remote place is called through the public line 31 when the call of the intercom device 20 is activated ( 7) Function to enable selection of whether or not to call the remote PHS terminal device 32 via the public line 31 when the call to the intercom device 20 is activated. (8) Door phone according to an instruction from the PHS terminal device 32. A function for prohibiting the call when the call of the device 20 is activated

The home station device 1 is a PHS.
A wireless circuit 2 that performs wireless communication with the terminal device 32;
An operation display section 3 for providing various operation keys and a display device such as an LCD for displaying various messages, for allowing the user to perform various operation inputs and confirming the operation state of the home station apparatus 1, and the intercom apparatus And a sounding body 4 which generates a calling sound when 20 calls are activated.

Further, the intercom call detection circuit 5 which detects that the intercom switch 21 of the intercom device 20 is pressed by the visitor to activate the call and notifies the system control section 16 of the intercom call, and the incoming call signal from the public line 31 is received. Call signal detection circuit 6 for detecting a call and transmitting it to the system control unit 16
And a polarity reversal detection circuit 7 for detecting the polarity reversal of the public line 31 and transmitting it to the system control unit 16.

Further, when the intercom device 20 is called, the PHS terminal device 3 at a remote place is connected via the public line 31.
2, a dial pulse generation circuit 8 for sending a dial pulse of the PHS terminal number, which is the telephone number of the PHS terminal device 32, to the public line 31, an A / D converter, a D / A converter, And a DSP and the like, and a modem 9 for performing modulation / demodulation of signals, compression / expansion, sending of DTMF signals at the time of automatic calling, and detection of DTMF signals from the public line 31.

Further, when an automatic call is made to the PHS terminal number of the PHS terminal device 32, the message sending circuit 10 which sends a message notifying that the call is made by the intercom device 20, and the intercom device 20 is activated. Call signal sending circuit 11 for sending a call signal for ringing the bell of the telephone 30, a DC supply circuit 12 for supplying a direct current to the telephone 30 when the doorphone device 20 is called, and a telephone 30 An off-hook detection circuit 13 for detecting the off-hook of the handset and transmitting it to the system control unit 16 is provided.

Further, the switch SWA, the switch SWB, and the switch SW controlled by the system control unit 16
C, relay switch ReD, and relay switch ReE
It has. The switch SWA is the doorphone device 2
This is a switch for switching connection and disconnection of a signal line between the communication circuit 22 of 0 and the home station apparatus 1.

The switch SWB is a switch for switching connection and disconnection of a signal line between the public line 31 and the home station apparatus 1. The switch SWC is a switch that switches connection and disconnection of a signal line between the telephone 30 and the DC supply circuit 12. The relay switch ReD connects the signal line with the public line 31 and the communication circuit 22 of the intercom system 20 to the modem 9
Of the relay switch ReE and the b terminal of the relay switch ReE. Relay switch ReE
Is a switch for switching the signal line of the telephone 30 to either the a terminal side of the relay switch ReD or the b terminal side of the call signal transmission circuit 11.

Furthermore, the system controller 16 is a read-only memory ROM1 in which a basic program for operating the home station apparatus 1 is stored in advance.
4 and the system control unit 16 accumulates various data necessary for various control processes, the PHS terminal number of the PHS terminal device 32 when the PHS terminal device 32 is automatically called, and the telephone 30 when the intercom is called. The RAM 15 is a writable and readable memory for storing data such as ringing of bell, selection information of whether to call the PHS terminal device 32 and whether to automatically call.

Further, the system controller 16 is provided with a CPU which controls the home station apparatus 1 as a whole and executes predetermined operations for realizing the above-mentioned various user functions according to the present invention.

On the other hand, the intercom device 20 includes an intercom switch 21, a communication circuit 22, a speaker 23, and a microphone 2.
It has 4 etc. The intercom switch 21 is a switch that the visitor pushes when calling, and outputs the input signal to the home station device 1 when pushed by the visitor.

The call circuit 22 is a circuit that controls the output to the speaker 23 and the input from the microphone 24 to enable the visitor to talk with the telephone 30 of the home station apparatus 1 or the PHS terminal apparatus 32. . The speaker 23 is
Audio is output based on the audio signal output from the home station device 1. The microphone 24 converts the voice of the visitor into a voice signal and inputs the voice signal.

Further, the PHS terminal device 32 is a normal PHS terminal device except that it is provided with a setting key (not shown) for prohibiting the call when the intercom device 20 is called to the home station device 1. Since the internal configuration is the same as, the detailed description will be omitted.

That is, the system control unit 16 and the like are
It fulfills the functions of a means for making a telephone call between the telephone 30 and the public line 31 and a means for making a telephone call between the public line 31 and the PHS terminal device 32 wirelessly. The intercom call detection circuit 5 functions as intercom call detection means for detecting the call of the intercom device 20.

The calling signal transmitting circuit 11 functions as a telephone calling means for ringing a bell of the telephone 30 when the intercom call detection circuit 5 detects a call. The DC supply circuit 12 functions as a DC current supply means for supplying a DC current to the telephone 30 when the calling signal transmission circuit 11 calls the telephone.

The off-hook detecting circuit 13 functions as an off-hook detecting means for detecting the off-hook of the telephone 30 when the DC current is supplied from the DC supplying circuit 12. When the off-hook detection circuit 13 detects an off-hook, the system control unit 16 and the like serve as a means for making a call between the intercom device 20 and the telephone 30.

The ringing signal sending circuit 11 also functions as a means for calling by ringing the bell of the telephone 30 differently when an incoming call is received from the public line 31 and when the intercom device 20 is detected to ring. Furthermore, the system control unit 16 etc.
It fulfills the function of a means for selecting whether or not to ring the bell of the telephone 30 when the calling signal sending circuit 11 detects the calling of the intercom device 20.

When the system control unit 16 or the like detects a call by the intercom call detection circuit 5,
The PHS terminal device 32 is called, and the intercom device 20 and P
It fulfills the function of means for making a call with the HS terminal device 32.

Further, the system control unit 16 and the like are
It functions as a means for detecting that the terminal device 32 is not nearby. The dial pulse generation circuit 8 detects the calling of the doorphone device 20 and the PHS terminal device 32.
When it is detected that the PHS terminal device 32 is not in the vicinity, the PHS terminal device 32 automatically calls the PHS terminal device 32 via the public line 31. The polarity reversal detection circuit 7 functions as a response detection means for detecting the response of the PHS terminal device 32 to the automatic call made by the dial pulse generation circuit 8. The system control unit 16 and the like use the polarity inversion detection circuit 7
When a response is detected by the intercom device 20 and the PH
It fulfills the function of means for making a call with the S terminal device 32 via the public line 31.

Further, when the message sending circuit 10 detects a response by the polarity reversal detection circuit 7, it outputs a PHS signal.
It fulfills the function of a message sending unit that sends a message to the terminal device 32 to make it possible to recognize that the intercom device 20 is called. Further, the system control unit 16
Etc. are intercom devices 2 by the dial pulse generation circuit 8.
It fulfills the function of means for selecting whether or not to automatically call the PHS terminal device 32 when a call of 0 is detected.

Furthermore, the system control unit 16 or the like prohibits the automatic calling of the PHS terminal device 32 when the dial pulse generating circuit 8 detects the calling of the intercom device 20 based on the instruction input from the PHS terminal device 32. It fulfills the function of the means for enabling the setting.

Next, the processing in this home station device will be described. 4 to 6 are flowcharts showing the processing in this home station apparatus. In this processing, as shown in FIG. 4, in the standby state, it is determined in step (indicated by "S" in the figure) 1 whether or not a ringing signal from the public line is detected. If the call signal is detected in the judgment of step 1, proceed to step 2 and PHS.
The terminal device is called and the telephone is called, and the process proceeds to step 3 to judge whether or not there is an off-hook response from the PHS terminal device.

If there is an off-hook response from the PHS terminal device in the judgment in step 3, the process proceeds to step 4, the relay switch ReD is switched to the a terminal side, and the process proceeds to step 5 to make a telephone call by the PHS terminal device. Then, the process proceeds to step 6 and it is determined whether or not there is an on-hook response from the PHS terminal device. If there is an on-hook response from the PHS terminal device in the determination in step 6, the process proceeds to step 7 to switch the relay switch ReD to the b terminal side and return to the standby state.

On the other hand, if there is no off-hook response from the PHS terminal device in the judgment of step 3, it proceeds to step 8 to judge whether or not the off-hook of the telephone is detected. If the off-hook of the telephone is not detected in the determination in step 8, the process returns to step 3, and if detected, the process proceeds to step 9 to make a telephone call by the telephone and then step 1
It proceeds to 0 and determines whether or not the on-hook of the telephone is detected. If the on-hook of the telephone is not detected in the determination in step 10, this determination processing is repeated until it is detected, and when it is detected, the standby state is returned.

Further, if the call signal from the public line is not detected in the judgment in step 1, the process proceeds to step 11 and it is judged whether or not the intercom call from the intercom device is detected. If the intercom call is not detected in the judgment in step 11, the process returns to step 1, and if detected, the step 1
Proceed to step 2 to sound the sounding body, proceed to step 13 to turn off the switch SWB, proceed to step 14, switch the relay switch ReE to the b terminal side, and proceed to step 1
5, the switch SWC is turned on, and the process proceeds to step 16 to determine whether the PHS terminal device is near.

If the PHS terminal device is near in the judgment of step 16, the process proceeds to step 17 to call the PHS terminal device, and the process proceeds to step 18 to judge whether or not the setting for prohibiting the calling of the telephone is set. . If it is determined in step 18 that the telephone call is prohibited, the process proceeds to step 21 shown in FIG. 5, and if not prohibited, the process proceeds to step 19 to call the telephone and the process proceeds to step 21 shown in FIG.

If it is determined in step 16 that the PHS terminal device is not near, the process proceeds to step 20 and the PHS terminal device
It is determined whether or not the automatic call prohibition by the PHS terminal number which is the telephone number of the terminal device is set. If the automatic calling of the PHS terminal number is prohibited in the determination in step 20, the process proceeds to step 18, and if not, the process proceeds to step 43 shown in FIG.

Next, at step 21 shown in FIG.
It is determined whether or not there is an off-hook response from the S terminal device. If there is an off-hook response from the PHS terminal device in the judgment in step 21, the process proceeds to step 22, the relay switch ReD is switched to the a terminal side, and the process proceeds to step 23 to turn on the switch SWA, and step 24
In step 25, the intercom conversation is performed between the PHS terminal device and the intercom device, and the process proceeds to step 25, where it is determined whether or not there is an on-hook response from the PHS terminal device.

If there is no on-hook response from the PHS terminal device in the determination in step 25, this determination process is repeated until there is a response. If there is a response, the process proceeds to step 26, the switch SWA is turned off, and the process proceeds to step 27. The switch SWC is turned off with, the process proceeds to step 28, the relay switch ReE is switched to the a terminal side, and step 29
In step 30, the relay switch ReD is switched to the terminal b side, and in step 30, the switch SWB is turned on to return to the standby state and the process returns to step 1 shown in FIG.

On the other hand, if there is no off-hook response from the PHS terminal device in the judgment in step 21, the process proceeds to step 31 to judge whether or not the off-hook of the telephone is detected. If it is determined in step 31 that the telephone is off-hook, the process proceeds to step 32 and relay switch ReE
Is switched to the terminal a, the process proceeds to step 33 to turn on the switch SWA, the process proceeds to step 34 and the intercom communication is performed between the telephone and the doorphone device, and the process proceeds to step 35 to determine whether the on-hook of the telephone is detected. To judge.

If the on-hook of the telephone is not detected in the judgment in step 35, this judgment process is repeated until it is detected.
A is turned off, the process proceeds to step 37 to turn off the switch SWC, the process proceeds to step 38 to turn on the switch SWB, returns to the standby state, and returns to the process of step 1 shown in FIG.

Furthermore, if the off-hook of the telephone is not detected in the determination in step 31, the process proceeds to step 39 and it is determined whether or not a preset fixed time has elapsed. If it is determined in step 39 that the predetermined time has not elapsed, the process returns to step 21, and when the time elapses, the process proceeds to step 40 to turn off the switch SWC, the process proceeds to step 41 to switch the relay switch ReE to the a terminal side, and the step In step 42, the switch SWB is turned on to return to the standby state, and the process returns to step 1 shown in FIG.

Next, in step 43 shown in FIG. 6, the relay switch ReD is switched to the a terminal side, and step 44
In step 45, the switch SWB is turned on, the process proceeds to step 45, the PHS terminal number of the registered PHS terminal device is automatically called, and it is determined whether the process proceeds to step 46.

When the polarity reversal of the public line is detected in the judgment of step 46, the process proceeds to step 47, where a message indicating that it is an intercom call is sent to the PHS terminal device via the public line, and the process proceeds to step 48 to switch. SW
A is turned on, and the process proceeds to step 49 to make a doorphone call via the public line between the PHS terminal device and the doorphone device at the destination (a remote place where direct radio does not reach), and then proceeds to step 50 to move to the destination. It is determined whether or not there is an automatic call prohibition instruction from the user's PHS terminal device.

If there is no automatic call prohibition instruction in the judgment of step 50, the process proceeds to step 53, and if there is, the process proceeds to step 51 to set the automatic call prohibition of the PHS terminal number of the PHS terminal device and set the step. Proceed to 53. In step 53, it is judged whether or not the polarity reversal of the public line is detected.

If the polarity reversal of the public line is not detected in the judgment in step 53, this judgment process is repeated until it is detected.
A is turned off, the process proceeds to step 55, the switch SWC is turned off, and the process proceeds to step 56, where the relay switch ReE
Is switched to the a terminal side, the process proceeds to step 57, and the relay switch ReD is switched to the b terminal side to return to the standby state, and the process returns to step 1 shown in FIG.

If the polarity reversal is not detected in the determination in step 46, the process proceeds to step 52 and it is determined whether or not a preset fixed time has elapsed. Step 5
If the predetermined time has not elapsed in the judgment of 2, the process returns to step 46, and when it has elapsed, it proceeds to step 55 to turn off the switch SWC, proceeds to step 56, switches the relay switch ReE to the a terminal side, and proceeds to step 57. Then, the relay switch ReD is switched to the b terminal side to return to the standby state, and the process returns to step 1 shown in FIG.

Further, the processing in the home station device will be described in detail. When the system control unit 16 detects the call signal from the public line 31 by the call signal detection circuit 6, the system control unit 16 calls the PHS terminal device 32 registered in the RAM 15 by the radio signal from the radio circuit 2, and the telephone 30 calls the call. Ring the bell with a signal.

When the user hears the ringing sound of the PHS terminal device 32 and performs an off-hook operation, a signal of an off-hook response is sent to the home station device 1. Upon receiving the off-hook response from the PHS terminal device 32 by the wireless circuit 2, the system control unit 1 switches the relay switch ReD to the a terminal side of the modem 9 to enable a call between the public line 31 and the PHS terminal device 32. .

Then, the voice signal from the public line 31 is A / D converted by the modem 9 and then compressed, and then sent to the PHS terminal device 32 via the radio circuit 2. A voice signal received from the PHS terminal device 32 by the wireless circuit 2 is expanded and D / A converted by the modem 9 and sent to the public line 31. In this way, a normal telephone call can be made between the PHS terminal device 32 and the public line 31.

When the user ends the call, the PHS terminal device 3
When the on-hook operation 2 is performed, an on-hook response signal is sent to the home station device 1. When the system control unit 16 receives the on-hook response from the PHS terminal device 32 by the wireless circuit 2, the system control unit 16 switches the relay switch ReD to the terminal b side of the telephone 30 and returns to the standby state.

When the user hears the bell sound of the telephone 30 and lifts the handset, the home station device 1
An off-hook response is signaled to. System control unit 1
6 receives the off-hook response from the telephone 30 by the off-hook detection circuit 13, the public line 31 and the telephone 3
Allows you to make phone calls with 0.

When the user terminates the call and operates the telephone 30 on hook, an on-hook response signal is sent to the home station apparatus 1. The system control unit 16
When the off-hook detection circuit 13 receives the on-hook response from the telephone 30, it returns to the standby state.

Next, when the visitor presses the doorphone switch 21 of the doorphone device 20, the input signal is output to the home station device 1. Home station device 1
When the intercom call detection circuit 5 detects the input signal, it notifies the system control unit 16. The system control unit 16
The sounding body 4 is made to ring, the switch SWB is turned off, and the relay switch ReE is set to b of the call signal sending circuit 11.
Switch to the terminal side and turn on the switch SWC.

Then, the system control unit 16 detects whether or not there is a response from the PHS terminal device 32 to the wireless communication from the wireless circuit 2, and determines whether or not the PHS terminal device 32 is nearby. To do. Here, if there is a response from the PHS terminal device 32 and it is determined that the PHS terminal device 32 is near, the PHS terminal device 32 is called by a radio signal from the radio circuit 2.

Further, the system control unit 16 has the RAM 15
Data is read, and it is judged whether or not the setting for prohibiting the calling of the telephone 30 at the time of calling the intercom is set in advance by the user, and if it is not prohibited, the calling signal sending circuit 11 calls from the public line 31. A call signal different from that at the time of receiving a signal is sent to the telephone 30, and if prohibited, the call signal sending circuit 11 does not send the call signal to the telephone 30. The ringing tone generated by the ringing signal should be different from the voice when a telephone call is received. For example, the interval and length of the ringing or the pitch of the sound is made different.

After that, when the system control unit 16 detects the off-hook response from the PHS terminal device 32, it switches the relay switch ReD to the a terminal side of the modem 9, turns on the switch SWA, and the call circuit 22 of the intercom device 20.
And the modem 9 are connected to enable a doorphone call between the PHS terminal device 32 and the doorphone device 20.

The intercom device 2 is operated by the modem 9.
The audio signal from 0 is A / D converted and then compressed, and is sent to the PHS terminal device 32 via the wireless circuit 2. Also,
The voice signal received from the PHS terminal device 32 by the wireless circuit 2 is expanded and D / A converted by the modem 9 and sent to the intercom device 20. In this way, an intercom call can be performed between the PHS terminal device 32 and the intercom device 20.

When the user ends the intercom call and performs the on-hook operation of the PHS terminal device 32, an on-hook response signal is sent to the home station device 1. The system control unit 16 controls the PHS terminal device 3 by the wireless circuit 2.
2 receives the on-hook response from switch SWA
Is turned off, the switch SWC is turned off, the relay switch ReE is switched to the a terminal side of the public line 31, the relay switch ReD is switched to the b terminal side of the telephone 30, and the switch SWB is turned on to return to the standby state.

On the other hand, when the user hears the bell sound of the telephone 30 to recognize the visitor who calls the intercom and lifts the handset of the telephone 30, the off-hook detection circuit 13 does not detect the off-hook by the radio circuit 2. Detects off-hook of the telephone set 30 and informs the system control unit 16 of it.

When the system control section 16 recognizes the off-hook of the telephone set 30, it switches the relay switch ReE to the a terminal side of the public line 31, turns on the switch SWA, and connects the telephone call circuit 22 of the intercom apparatus 20 and the telephone set 30. Then, the intercom communication between the telephone 30 and the intercom device 20 is enabled. In this way, an intercom call can be performed between the telephone 30 and the intercom device 20.

When the user terminates the intercom call, the telephone 3
When the handset 0 is placed, an on-hook response signal is sent to the home station device 1. System control unit 16
When the off-hook detection circuit 13 receives the on-hook response from the telephone 30, the switch SWA is turned off, the switch SWC is turned off, and the switch SWB is turned on to return to the standby state.

Further, the system control unit 16 uses the telephone 30
When there is no off-hook detection of the telephone 30 by the off-hook detection circuit 13 and no off-hook response of the PHS terminal device 32 by the wireless circuit 2 even if a certain period of time elapses when calling the intercom of the PHS terminal device 32 and the PHS terminal device 32, the switch SWC is turned off to supply the direct current. The supply of the direct current to the telephone 30 by the circuit 12 is stopped, the relay switch ReE is returned to the terminal a side of the public line 31, and the switch SWB is turned on to turn the telephone 3 on.
0 and the public line 31 are connected to return to the standby state.

Next, when the user carries the PHS terminal device 32 and is out of the house and the intercom calling from the intercom device 20 is activated, the system control unit 16 causes the PHS terminal device 32 to perform wireless communication by the wireless circuit 2. Recognizes that it is not in a position where direct wireless communication is possible, that is, it is not near the home station device 1, the RAM 1
The data of No. 5 is read to determine whether or not the setting for prohibiting the calling of the PHS terminal device 32 at the time of calling the intercom is set.

If the system control unit 16 is set to prohibit calling by the judgment, it does not call the intercom via the public line 31 of the PHS terminal device 32.
If the setting for prohibiting calling is not made, the relay switch ReD is switched to the a terminal side of the modem 9, the switch SWB is turned on, the public line 31 and the modem 9 are connected, and then stored in the RAM 14 in advance. P
The PHS terminal number, which is the telephone number of the HS terminal device 32, is read out and an automatic call is made. Then, the base station 34 of the public line network 33 calls the PHS terminal device 32 by a radio signal based on the automatic call made to the public line 31.

When the user at the destination recognizes the call of the PHS terminal device 32 and goes off-hook, the polarity of the public line 31 is reversed as an off-hook response. System control unit 1
When the polarity reversal detection circuit 7 detects the polarity reversal 6, the message transmission circuit 10 transmits to the public line 31 a display or voice message informing the visitor's visit due to the operation of the intercom calling of the doorphone device 20. The PHS terminal device 32 displays or voice-outputs the message. Therefore, the user at the destination can confirm the intercom calling by the message of the PHS terminal device 32.

If the system controller 16 does not detect the polarity reversal of the public line 31 even after a preset time has elapsed, it turns off the switch SWC and sets the relay switch ReE to the terminal a side of the public line 31. Then, the relay switch ReD is switched to the terminal b side of the telephone 30 to connect the public line 31 and the telephone 30 and return to the standby state.

After sending the message, the system control unit 16 turns on the switch SWA, connects the call circuit 22 of the doorphone device 20 and the public line 31, and performs the doorphone call between the PHS terminal device 32 and the doorphone device 20. Communication is possible via the public line 31.

When the user who is out and wants to prohibit the automatic call of the PHS terminal number when calling the intercom from the home station device 1 during this intercom call, the PH
A predetermined key of the S terminal device 32 is operated. When the predetermined key is operated, the PHS terminal device 32 generates a push button (PB) sound on the public line 31 and sends out a specific DTMF signal indicating a setting for prohibiting automatic calling when calling the intercom.

The system controller 16 uses the modem 9 to send a specific DTM of the PHS terminal device 32 from the public line 31.
When the F signal is detected, the RAM 20 stores and sets data indicating prohibition of calling through the public line 31 of the PHS terminal device 32 when calling the intercom. Then, the intercom calling of the PHS terminal device 32 after the setting is not performed. Also, the intercom call at the time of the setting is canceled. Note that only the intercom call at the time of setting may be enabled.

When the user, who is out of the office, terminates the intercom conversation with the PHS terminal device 32 and performs an on-hook operation, the polarity of the public line 31 is reversed again as an on-hook response to the home station device 1. The system control unit 1 causes the polarity reversal detection circuit 7 to again activate the public line 31.
When the on-hook of the PHS terminal device 32 is recognized by detecting the reversal of the polarity of the switch, the switch SWA is turned off, the switch SWC is turned off, and the relay switch ReE is turned on by the public line 3
1 to the a terminal side, and the relay switch ReD to the b terminal side of the telephone 30 to switch the public line 31 and the telephone 3
Connect 0 to return to the standby state.

The system control unit 16 does not detect the polarity reversal of the public line 31 after automatically calling the PHS terminal device 32 when calling the intercom, and the PHS terminal device 32 is not detected.
After a certain period of time without any response from the switch SWC, the switch SWC is turned off, and the relay switch ReE is set to the public line 3
1 to the a terminal side, the relay switch ReD to the b terminal side of the telephone 30, the public line 31 and the telephone 3
Connect 0 to return to the standby state.

If the above-mentioned home station device 1 is incorporated in a communication terminal device such as a facsimile device, it is convenient because it has the functions of facsimile communication and the above-mentioned intercom communication.

[0086]

As described above, according to the home station device of the first aspect of the present invention, it is possible to easily carry out the intercom call with the intercom device such as the intercom device by the ordinary telephone. According to the home station device of claim 2 of the present invention, the user can easily identify whether the intercom device is calling or the call is received from the telephone line based on the ringing of the bell of the connected telephone. be able to.

Further, according to the home station device of claim 3 of the present invention, whether or not the bell of the telephone is to be rung when the intercom device is called can be selected and set in advance. . Further, according to the home station device of the fourth aspect of the present invention, when the intercom device is called, the personal handyphone system terminal device can be called to make an intercom call.

Further, according to the home station device of the fifth aspect of the present invention, the user can easily carry out the intercom communication with the visitor by the intercom device even when he / she is out with the personal handyphone system terminal device. Also,
According to the home station device of claim 6 of the present invention, when the personal handyphone system terminal device is called through the public line, it is possible to inform the user that the calling is the operation of calling the intercom device. it can.

Further, according to the home station device of claim 7 of the present invention, whether or not the personal handyphone system terminal device is automatically called when the intercom device is called. Can be set. Furthermore, according to the home station device of claim 8 of the present invention, it is possible to set the prohibition of automatic calling when the intercom device is called based on an instruction from the personal handyphone system terminal device. You can

[Brief description of drawings]

FIG. 1 is a block diagram showing internal configurations of a home station device and a doorphone device according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram when direct wireless communication is possible between the home station device and the personal handyphone system terminal device shown in FIG.

FIG. 3 is an explanatory diagram when communication is performed between the home station device shown in FIG. 1 and a personal handyphone system terminal device via a public line.

FIG. 4 is a flowchart showing processing in the home station device shown in FIG.

FIG. 5 is a flowchart showing the continuation of the processing shown in FIG.

FIG. 6 is a flowchart showing a continuation of the processing shown in FIG.

[Explanation of symbols]

1: Home station device 2: Wireless circuit 3: Operation display unit 4: Sound generator 5: Doorphone ringing detection circuit 6: Ringing signal detection circuit 7: Polarity inversion detection circuit 8: Dial pulse generation circuit 9: Modem 10: Message sending circuit 11: Ringing signal sending circuit 12: DC supply circuit 13: Off-hook detection circuit 14: ROM 15: RAM 16: System control unit 20: Doorphone device 21: Doorphone switch 22: Communication circuit 23: Speaker 24: Microphone 30: Telephone 31: Public line 32: Personal handyphone system (PHS) terminal device 33: Public line network 34: Base station

Claims (8)

[Claims] 1. A home station device comprising means for making a telephone call between a telephone and a public line, and means for making a telephone call between the public line and a personal handyphone system terminal device by radio. An intercom device, such as an intercom device, connected to the intercom device to detect a call to the intercom device;
When a call is detected by the means, a telephone calling means for calling by ringing the bell of the telephone, a direct current supply means for supplying a direct current to the telephone at the time of calling by the means, and a direct current supply by the means Off-hook detection means for detecting off-hook of the telephone,
A home station apparatus comprising: means for making a call between the intercom apparatus and the telephone when an off-hook is detected by the means. 2. The home station apparatus according to claim 1, wherein the telephone calling unit calls the bell of the telephone differently when ringing from the public line and when the ringing of the intercom device is detected. A home station device having. 3. The home station device according to claim 1, further comprising means for selecting whether or not to ring the bell of the telephone when the telephone calling means detects the call of the doorphone device. Home station device characterized by. 4. The home station device according to claim 1, wherein when the intercom call detection means detects a call, the personal handyphone system terminal device is called, and the intercom device and the intercom device are connected to each other. A personal station device, which is provided with means for making a call with a terminal device. 5. The home station device according to claim 4, wherein the personal handyphone system terminal device detects that the personal handyphone system terminal device is not nearby, and the personal handyphone system terminal device when a call to the intercom device is detected. When it is detected that the personal handyphone system terminal device is not near, an automatic calling means for automatically calling the personal handyphone system terminal device via the public line, and the personal handyphone system for automatic calling by the means. A response detecting means for detecting a response of the terminal device, and a means for making a call between the doorphone device and the personal handyphone system terminal device via the public line when the response is detected by the means. A home station device characterized in that 6. The home station device according to claim 4, wherein when the response detection unit detects a response, the personal handyphone system terminal device is made to recognize that the intercom device is a call. A home station device comprising a message sending means for sending a message. 7. The home station apparatus according to claim 4, wherein the automatic call-out means automatically calls the personal handyphone system terminal apparatus when the call-in of the intercom apparatus is detected. A home station device, characterized in that it is provided with means for selecting whether or not to allow it. 8. The home station device according to claim 4, wherein the automatic calling of the personal handyphone system terminal device is prohibited when the automatic calling means detects a call to the intercom device. A home station device comprising means for enabling the personal handyphone system terminal device to perform the setting.