JP2001103171A - Interphone system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an interphone system that informs a user about an operating state of a call button of a slave terminal in the case of automatically making call to an external communication terminal that is registered in advance and transferring a call from the slave terminal to the external communication terminal. SOLUTION: The interphone system is provided with a slave terminal 1 having a speech means 11 and a call means 12, a master terminal 2 having a speech means 22 and connected to the slave terminal, and a transfer means 5 that is connected to the master terminal and to the external communication terminal 7 via a communication line 6. Upon the receipt of a call signal from the slave terminal in a transfer mode, the transfer means calls the communication terminal to transmit information denoting an operating state of the call means to the communication terminal.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an intercom apparatus which responds to a call from a slave terminal installed at the entrance of a dwelling unit by a master terminal installed in the dwelling unit. And an intercom apparatus for notifying the operation status of the call button of the slave terminal when automatically transferring to the external communication terminal.

[0002]

2. Description of the Related Art Conventionally, a slave terminal having a communication unit including a speaker and a microphone has been installed at a door of a dwelling unit, and a master terminal having a communication unit also including a speaker and a microphone has been installed in a dwelling unit. There is known an intercom device in which both terminals are connected via a dedicated line.

In this intercom apparatus, when a visitor presses a call button of a slave terminal, a calling chime of the master terminal sounds, and in response, a resident responds at the calling section of the master terminal, and thereby the slave unit responds. The voice communication between the communication unit of the terminal and the communication unit of the master terminal can be performed.

[0004] Further, a TV camera is provided in the slave terminal, a monitor TV is provided in the master terminal, and the image of the visitor captured by the TV camera is displayed on the monitor TV, and the resident checks the state to provide a security function. Enhanced devices have also been proposed.

[0005] When a call is received from a child terminal while a resident is out of the office, the parent terminal automatically calls a communication terminal (such as an outgoing telephone or mobile telephone) registered in advance.
There has also been proposed an intercom device with a transfer function that allows a visitor and a resident to go out in real time by connecting a slave terminal and a communication terminal.

[0006]

In a conventional intercom apparatus with a transfer function, a base station terminal that receives a call from a slave terminal in a transfer mode automatically calls a communication terminal registered in advance and sets a slave terminal. A communication path is formed between the terminal and the communication terminal. However, the user of the communication terminal that has received the call has to know whether the caller is from a normal telephone or a slave terminal without responding.

[0007] The present invention has been made in order to solve such a conventional problem.
It is an object of the present invention to provide an intercom apparatus for notifying an operation status of a call button of a slave terminal when automatically transferring a call to an external communication terminal registered in advance and transferring the call.

[0008]

According to the present invention, there is provided an intercom apparatus comprising: a slave terminal having calling means and calling means; a master terminal having talking means and connected to the slave terminal; And a transfer means connected to an external communication terminal via a communication line. The transfer means, when receiving a call signal from the slave terminal in the transfer mode, calls the communication terminal to indicate the operation status of the call means. It has a configuration for transmitting information.

[0009] With this configuration, the user of the communication terminal that has received the call can respond after recognizing the visitor to some extent based on the operation status of the calling means and the calling party is the slave terminal.

Also, the intercom apparatus of the present invention has a handset terminal having a calling means and a calling means, and has a calling means and is connected to the handset terminal and connected to an external communication terminal via a communication line. And a master terminal. When the master terminal receives a call signal from the slave terminal in the transfer mode, the master terminal calls the communication terminal and transmits information indicating the operation status of the calling means.

With this configuration, the user of the communication terminal that has received the call can respond after recognizing the visitor to some extent based on the operation status of the calling means and the calling party is the slave terminal.

[0012] Further, the intercom apparatus of the present invention has a slave terminal having a calling means and a calling means, a master terminal having a talking means and connected to the slave terminal, and a communication connected to the master terminal and connected to the master terminal. Transfer means connected to an external communication terminal via a line, wherein the master terminal sends a transfer command to the transfer means when detecting a specific operation state of the calling means, and the transfer means communicates when receiving the transfer command. It has a configuration for calling a terminal and transmitting information indicating the operation status of the calling means.

[0013] According to this configuration, the master terminal and the transfer means call the communication terminal when detecting a specific operation of the calling means even in the non-transfer mode, so that the user of the communication terminal receiving the call can make a call with the calling party. It is a child terminal and can respond after recognizing the visitor to some extent from the operation status of the calling means. In addition, a plurality of communication terminals can be registered, and the transfer destination can be changed according to different operation states of the calling means.

Further, the intercom apparatus of the present invention has a slave terminal having a calling means and a calling means, and is connected to the slave terminal having the talking means and connected to an external communication terminal via a communication line. And a master terminal. When the master terminal detects a specific operation state of the calling unit, the master terminal calls the communication terminal and transmits information indicating the operation state of the calling unit.

According to this configuration, the master terminal and the transfer unit call the communication terminal upon detecting a specific operation of the calling unit even in the non-transfer mode, so that the user of the communication terminal receiving the call cannot send the caller. It is a child terminal and can respond after recognizing the visitor to some extent from the operation status of the calling means. In addition, a plurality of communication terminals can be registered, and the transfer destination can be changed according to different operation states of the calling means.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 is a block diagram showing a configuration of an intercom apparatus according to an embodiment of the present invention. This device is a child terminal 1 installed at the entrance or gate of a dwelling unit.
, A main unit terminal 2 installed in the dwelling unit, a dedicated line 3 connecting both terminals, and a transfer device 5 connected to the main unit terminal 2 via the dedicated line 4. The transfer device 5 is connected to a communication terminal 7 via a telephone network 6 and an exchange (not shown).

The slave terminal 1 locks / locks a communication unit 11 having a speaker and a microphone, a call button 12, a television camera 13, and an electric lock on a front door (not shown).
And an electric lock control unit 14 for unlocking. Note that the electric lock control unit 14 may be configured separately from the slave terminal 1.

The master terminal 2 is connected to the slave terminal 1 via the dedicated line 3 and is connected to the transfer device 5 via the dedicated line 4.
, A communication unit 22 having a speaker and a microphone, an annunciator 23 for sounding a ringing chime, a monitor television 24 for displaying an image captured by the television camera 13 of the slave terminal 1, and a transfer mode. An operation unit 25 having various controls such as a transfer button is provided. The transfer button for setting the transfer mode may be provided on the transfer device 5.

The transfer device 5 includes a telephone network interface (I / F) unit 51 connected to the telephone network 6, and the following units are connected to the telephone network I / F unit 51. That is, a control unit 52 connected to the control unit 21 of the master terminal 2 via the dedicated line 4, a voice guidance transmitting unit 53 for transmitting various voice guidance to the communication terminal 7, and various video guidance to the communication terminal 7. A video guidance transmitting section 54 to be transmitted, an automatic calling section 55 for automatically calling the communication terminal 7, an incoming call detecting section 56 for detecting an incoming signal from the communication terminal 7, and an end call for detecting an end signal from the communication terminal 7. A detection unit 57, a response detection unit 58 for detecting a response from the communication terminal 7, and a DTM for detecting a push button (PB) signal from the communication terminal 7
An F (Dial Tone Multi Frequency) detection unit 59 and a DT / BT detection unit 60 that detects a dial tone (DT: dial tone) or a busy tone (BT: busy tone) from the communication terminal 7.

The communication terminal 7 has a communication unit 71 having a speaker and a microphone, an operation unit 72 having dial buttons and various function buttons for inputting a telephone number of a communication partner, and displaying a telephone number and a video guidance of the communication partner. The display unit 73 is provided.

Next, the operation of this embodiment will be described. First, an operation when the transfer button of the operation unit 25 of the master terminal 2 is set to the non-transfer mode will be described.

In this case, when the visitor presses the call button 12 of the slave terminal 1, a call signal is transmitted to the control unit 21 of the master terminal 2 via the dedicated line 3. When the control unit 21 receives the calling signal from the slave terminal 1, the control unit 21 controls the alarm 23 to sound a calling chime sound.

Resident responds to the ringing chime sound and the caller 22
When the response is made, the communication unit 11 of the slave terminal 1 and the communication unit 22 of the master terminal 2 are connected, and a voice call can be made between the two communication units.

Next, the operation when the transfer button of the operation unit 25 of the master terminal 2 is set to the transfer mode will be described with reference to the sequence diagram shown in FIG.

First, the visitor sets the call button 1 of the slave terminal 1
2 (step S1), the control unit 21 of the base unit terminal 2 is pressed.
Receives the calling signal via the dedicated line 3 (step S
2) Control the annunciator 23 to make a ringing chime sound. The control unit 21 of the base unit terminal 2 or the control unit 52 of the transfer device 5 measures and stores the operation status of the call button 12, for example, the pressing time and the number of times of pressing.

Since the transfer button of the operation unit 25 is set to the transfer mode, the control unit 21 of the master terminal 2 sends a transfer signal to the transfer device 5 (step S3). Upon receiving the transfer signal, the transfer device 5 controls the automatic calling unit 55 by the control unit 52, and sends a call signal to the exchange (not shown) connected to the telephone network 6 from the telephone network I / F unit 51. Is transmitted (step S4).

When the DT / BT detection unit 60 of the transfer device 5 detects a dial tone from the exchange (step S5), the control unit 52 of the transfer device 5 controls the automatic calling unit 55 to register the communication registered in advance. A dial signal indicating the subscriber number of the terminal 7 is transmitted from the telephone network I / F unit 51 to the exchange (step S6).

As a result, a start signal and a start completion signal are transmitted and received between the exchanges, a calling signal is sent to the communication terminal 7 (step S7), and a calling sound (RBT) is sent to the transfer device 5. Is performed (step S8). This ringing tone is detected by the incoming call detector 56 of the transfer device 5.

Next, the transfer device 5 controls the video guidance transmission unit 54 by the control unit 52, and displays on the display unit 73 of the communication terminal 7 information indicating that the transfer is from the slave terminal 1 and the operation of the operation button 12 as described above. The status information is displayed (step S9).

Next, when there is an off-hook in the communication terminal 7 (step S10), a response signal is sent out and the transfer device 5
Detects the response signal by the response detection unit 58 (step S11). When the transfer device 5 receives the response signal, the control unit 52 controls the voice guidance sending unit 53 to notify the communication unit 71 of the communication terminal 7 by voice that the transfer is from the slave terminal 1 (step S12). .

As described above, the user of the communication terminal 7 recognizes the operation status of the operation button 12 from the video guidance (for example, pictogram display) displayed on the display unit 73 and the voice guidance output from the communication unit 71. can do. For example, if the family members decide in advance that they are family members when the operation button 12 is pressed for a certain period of time or more, the communication terminal 7
Can recognize that the visitor is a family member.

When the user of the communication terminal 7 has a willingness to respond, he / she presses a predetermined push button of the operation unit 72 (step S13). Then, P corresponding to the push button
The B signal is transmitted to the transfer device 5 (Step S14).
This PB signal is detected by the DTMF detector 59 of the transfer device 5.

When the transfer device 5 detects that the user of the communication terminal 7 has a willingness to respond, the control unit 52 sends a signal to the master terminal 2.
Sends a connection signal to the control unit 21 (step S15).
A communication path is formed between the communication unit 11 of the slave terminal 1 and the communication path 71 of the communication terminal 7 (step S16).

In this call, if it is determined that the visitor is a family member who does not have the entrance key, the user of the communication terminal 7 can use a predetermined push button of the operation unit 72 to unlock the entrance key. Is pressed (step S17). Then, a PB signal corresponding to the push button is transmitted to the transfer device 5 (step S18). This PB signal is transmitted to the DT
It is detected by the MF detection unit 59 and recognized by the control unit 52 as an unlock command.

When the control unit 52 recognizes the unlock command, the transfer device 5 sends an unlock signal to the electric lock control unit 14 of the slave terminal 1 via the control unit 21 of the master terminal 2 (step). S19). Upon receiving the unlock signal, the electric lock control unit 14
Unlock the electric lock of the entrance door (not shown) (step S2
0). Thus, a family member who does not have a key at the entrance can enter the dwelling unit.

Next, when there is an on-hook in the communication terminal 7 (step S21), an end signal is transmitted (step S21).
22), the end signal detecting section 57 of the transfer device 5 detects this end signal. When the transfer device 5 detects the end signal, the control unit 52 sends a disconnection signal to the control unit 21 of the master terminal 2 (step S23), and sends a disconnection signal to the exchange (step S24). The transfer process ends.

When the communication terminal 5 is busy or does not respond for a certain period of time even if it is called, the control unit 52 of the transfer device 5 operates the push button indicating that there is an intention to respond for a certain period of time. If there is no communication path, the call is disconnected without forming a communication path (steps S23 and S24).

In the above-described embodiment, the case has been described where the master terminal 2 and the transfer device 5 are configured separately, but both are integrally configured and the master terminal has a function of connecting to the slave terminal 1. It may be configured to have both functions of a transfer function to the communication terminal 7.

In the above-described embodiment, a case has been described in which the operation status of the call button 12 of the slave terminal 1 is notified to the communication terminal 7 when the transfer mode is set. Twelve specific operations (for example, long press for a certain period of time)
May be configured to forcibly transfer to the communication terminal 7 when there is no response from the communication terminal 7. In this way, even in the non-transfer mode, if the visitor is a family member who does not have a door key, communication with the communication terminal 7 can be achieved.

In the above-described embodiment, the communication terminal 7 as the transfer destination is specified. However, a specific operation of the operation button 12 (for example, a combination of a short press and a long press for a certain time or longer) The communication terminal of the transfer destination may be changed to another communication terminal. In this case, a plurality of communication terminals need to be registered in the automatic calling unit 55 in advance.

In the above embodiment, the communication terminal 7
The case where the key of the entrance is unlocked by remote control from the communication terminal 7 has been described. However, the configuration is such that the transfer mode can be set / released or the transfer destination communication terminal 7 can be registered by remote control from the communication terminal 7 Is also good.

[0043]

As described above, according to the present invention, when the call from the slave terminal is transferred to the communication terminal, information indicating the operation status of the calling means is transmitted to the communication terminal. It is possible to provide an intercom device in which the user of the terminal can send a call to the slave terminal and recognize the visitor to some extent based on the operation status of the calling means.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of an intercom apparatus according to an embodiment of the present invention.

FIG. 2 is a sequence diagram illustrating the operation of the intercom apparatus shown in FIG.

[Explanation of symbols]

 Reference Signs List 1 slave unit terminal 2 base unit terminal 3, 4 dedicated line 5 transfer device 6 telephone network 7 communication terminal 11 call unit 12 call button 13 television camera 14 electric lock control unit 21 control unit 22 call unit 23 alarm 24 monitor TV 25 operation Unit 51 Telephone network I / F unit 52 Control unit 53 Voice guidance unit 54 Video guidance unit 55 Automatic calling unit 56 Incoming call detection unit 57 End call detection unit 58 Response detection unit 59 DTMF detection unit 60 DT / BT detection unit 71 Communication unit 72 Operation unit 73 Display unit

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H04M 1/2745 H04M 1/2745 H04N 7/18 H04N 7/18 H (72) Inventor Yasuo Fujimura Yokohama, Kanagawa Matsushita Communication Industrial Co., Ltd. F-term (reference) 5-3-05 Tsunashima Higashi 4-chome, Kohoku-ku, Yokohama GG19 GG23 GG29 GG30 GG51 GG57 GG67 GG70 5K027 AA09 FF01 FF25 HH08 5K036 AA00 DD39 EE11 JJ07 JJ15 KK06 5K038 AA05 CC02 DD15 DD16 DD22 DD23 FF12

Claims (4)

[Claims] 1. A slave terminal having a calling means and a calling means, a master terminal having a talking means and connected to the slave terminal, and an external device connected to the master terminal and connected via a communication line. Transfer means connected to the communication terminal, wherein the transfer means, when receiving a call signal from the slave terminal in the transfer mode, calls the communication terminal and transmits information indicating an operation status of the call means. An intercom device characterized by the above-mentioned. 2. A slave terminal having a calling means and a calling means, and a master terminal having a talking means and connected to the slave terminal and connected to an external communication terminal via a communication line. The intercom apparatus, wherein the master terminal receives a call signal from the slave terminal in the transfer mode, calls the communication terminal, and transmits information indicating an operation status of the calling means. 3. A slave terminal having a calling means and a calling means, a master terminal having a talking means and connected to the slave terminal, and an external device connected to the master terminal and connected via a communication line. A transfer unit connected to the communication terminal, wherein the base unit terminal transmits a transfer command to the transfer unit when detecting a specific operation state of the calling unit, and the transfer unit receives the transfer command, An intercom apparatus for calling a communication terminal and transmitting information indicating an operation state of the calling means. 4. A slave terminal having a calling means and a calling means, and a master terminal having a calling means and connected to the slave terminal and connected to an external communication terminal via a communication line. The intercom apparatus, wherein the base unit terminal, upon detecting a specific operation state of the calling means, calls the communication terminal and transmits information indicating an operation state of the calling means.