JPH0946697A - Monitor speech system for multiple dwelling house - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify the wiring work and to eliminate a raster screen image by providing a transmission control terminal equipment in place of a relay of a video control panel so as to eliminate the need for a non-voltage contact output section of a lobby interphone without a camera thereby eliminating the need for inter-relay wiring. SOLUTION: A key entry operation section B13 of a lobby interphone B1 without a camera enters a house number, a monitor control transmission section E1 recognizes no provision of a camera and a relay contact Ts of a control terminal equipment T is open to interrupt a monitor television power supply D1 . Moreover, a call control signal is sent via a signal line L1 in several seconds after to call a house interphone C1 with TV. Simultaneously a command is given to a speech line connection changeover section E2 to connect a transmission reception section B12 to a speech line L2 and a power supply control section E3 provides a power supply to the lobby interphone B1 without a camera, which is made available. Thus, an unpleasant raster pattern is avoided even momentarily and wiring to interconnect the video control panel D and the lobby interphone without a camera is not required and the wiring work is simplified.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to improvement of a surveillance call system for an apartment house.

[0002]

2. Description of the Related Art In recent years, in an apartment house, only visitors who are permitted by the residents of the apartment house can be admitted among the unspecified number of visitors to improve crime prevention. There is an apartment house. In such an apartment house, an intercom system that allows residents to stay in the living room while watching the appearance of visitors visiting the front door on the monitor TV A call system is adopted.

FIG. 2 shows a conventional apartment house supervisor as described above.
It is a system configuration diagram showing a main part of the visual communication system.
As shown in FIG.
Lobby intercom A with two cameras_1,A₂And two mosquitoes
Lobby intercom B without Mela _1,B₂And the tele for the number of dwelling units
Living room intercom C with_1,... C_n(However ... C_nIs shown
No.), a video control board D, and a call control board E.
Is done.

Lobby intercom A with camera_1,A₂And mosquito
Lobby intercom B without Mela_1,B₂And are each
Installed in the entrance lobby of the house. For example, Robi with a camera
-Intercom A₁Is a lobby intercom with camera A₁
Surveillance Camera A for imaging visitors in front of₁₁When,
Microphone (not shown) and speaker for talking to residents
(Not shown)₁₂And call the desired dwelling unit
Key input operation part A to specify the extension₁₃And
Similarly, lobby intercom with camera A₂Has a camera
Ki Lobby Intercom A₂Image the visitors standing in front of
Surveillance camera A _{twenty one}And a microphone to talk to the residents
Handset A with speaker_{twenty two}And call the desired dwelling unit
Key input operation part A for specifying_{twenty three}And

The camera-less lobby intercom B ₁ includes a transmission / reception unit B ₁₂ having a microphone and a speaker for talking with a resident, a key input operation unit B ₁₃ for calling and designating a desired dwelling unit, and a relay R _y . And a non-voltage a-contact output section B ₁₄ for driving. The no-voltage a contact (normally open contact) output section B ₁₄ is a lobby intercom B without camera.
_{Turns on} when power is supplied to ₁ . Similarly, the cameraless lobby intercom B ₂ drives a transmitter / receiver B ₂₂ having a microphone and a speaker for talking with a resident, a key operation unit B ₂₃ for calling and designating a desired dwelling unit, and a relay R _y . And a non-voltage a-contact output section B ₂₄ . The non-voltage a contact output section B ₂₄ is a lobby intercom B without a camera.
_{Turns on} when power is supplied to ₂ .

The dwelling unit intercoms with TV C _1, ... C _n are
Install one in each living room in the living room. The dwelling unit intercom with a television C ₁ is a surveillance television C ₁₁ for displaying a visitor standing in front of a lobby intercom with a camera, that is, a caller of a resident, and a handset C ₁₂ for making a call with the visitor.
And a key operation unit C ₁₃ for performing various operations.
Similarly, the other dwelling unit intercom C _n with a television (not shown) similarly monitors a visitor standing in front of the lobby intercom with a camera, that is, a surveillance television C for displaying the caller of the inhabitant.
_{It is provided with n1} , a handset C _n2 for making a call with a visitor, and a key operation unit C _n3 for various operations.

The image control panel D is installed, for example, in an inconspicuous corner of the manager's room. The video control panel D is a surveillance television power supply D ₁ for supplying power to the respective surveillance televisions C _11, ..., C _n1 of each dwelling unit, and a relay for controlling on / off of supply of the surveillance television power supply D _1. R _y , an amplifier D ₂ that amplifies a video signal captured and output by the surveillance cameras A _{11 and} A ₂₁ , and a video signal from the surveillance camera A ₁₁ and a video signal from the surveillance camera A ₂₁ are guided to an amplifier D ₂ . Mixer D ₃
With. As the video line L ₀ , a twisted pair cable having a coaxial wire or a two-core wire is used.

Relay R_yNo camera, lobby intercom
B_1,B₂Power is supplied to any of the
Voltage a contact output section B₁₄, B_{twenty four}When any of the
Excited and the b contact (normally on contact)
Relay contact R_ySPower off for surveillance TV D₁And monitoring
TV power line L_ThreeTurn off the connection with the monitor TV C
_11,... C_n1To stop the power supply to.

The call control board E is installed, for example, in an unobtrusive corner of the manager's room. The call control board E includes a monitoring control transmission unit E ₁ , a call line connection switching unit E _2, and a lobby intercom power supply control unit E ₃ . Supervisory control transmitter E
₁ is the key input operation unit A when the visitor wants to call
_13, A _23, B _13, B _{23 is} operated and input, and the dwelling unit number corresponding to the callee data is monitored and recognized through the signal line L ₁ , and the dwelling unit intercom with a television to be called is specified based on the recognition. The call control signal is transmitted to the specified dwelling unit intercom with a television via the signal line L ₁ . A 2-core twisted pair cable is used as the signal line L ₁ , and the transmission signal system is polling /
The selecting signal system is used.

The call line connection switching unit E ₂ connects the call transmitting / receiving unit of the lobby intercom that is the first to call the dwelling unit to the call line L ₂ based on the instruction from the supervisory control transmission unit E ₁ and activates it. To do. The lobby intercom power control unit E ₃
Based on the instruction from the monitoring control transmission unit E ₁ , the power is supplied only to the lobby intercom that was first called to operate the dwelling unit. Therefore, the other lobby intercoms are disabled.

[0011] The video line L ₀ and the signal line L ₁ and the telephone line L ₂ and the monitoring television power supply line L _3, is wired to the apartment as trunk, TV dwelling units interphone C ₁ of each dwelling _unit, ... C _n
To the respective branch devices F _1, ... F _n . The call control panel E and the lobby intercom A ₁ with camera are connected by a total of 3 pairs of cables including a signal line, a call line, and a power line. The call control panel E and the lobby intercom A ₂ with camera, the call control panel E and the lobby intercom B ₁ without camera, and the call control panel E and the lobby intercom B ₂ without camera, respectively, use a similar total of 3 pairs of cables. Connected.

By the way, the above-mentioned surveillance call system for apartment houses
Non-voltage a contact output section B in the system ₁₄, B_{twenty four}The tv
There is no video signal on the surveillance TV of the intercom
To prevent the raster screen from being displayed
is there.

That is, for example, the visitor inputs the dwelling unit number "n" from the key input operation unit B _{13 of the} lobby intercom B ₁ without a camera. Then, the monitoring control transmission unit E ₁ has no camera is key input operation lobby interphone B _1,
Recognizing the dwelling unit number "n" that has been keyed in, identifying the dwelling unit intercom C _n with the television of the dwelling unit number "n", and issuing a call control signal for calling the dwelling unit intercom C _n with the television signal line L Transmit to ₁ . At the same time, the monitoring control transmission unit E ₁ is, handset unit B ₁₂ by calling line connection switching section E ₂
Is connected to the call line L _2, and power is supplied from the lobby intercom power control unit E ₃ to the lobby intercom B ₁ without camera.

The dwelling unit intercom C _n with a television of the dwelling unit number "n" receives a call control signal from the signal line L ₁ and sounds a ringing tone, and the resident of the dwelling unit receiving the call picks up the handset C _n2 and hooks. A switch (not shown) is turned on to start a call. When the handset C _n2 is picked up and the hook switch is turned on, the power input section (not shown) of the monitor TV C _n1 is connected to the monitor TV power line L ₃ .

[0015] However, since no-voltage a contact output section B ₁₄ of the camera without the lobby interphone B ₁ represents turned on when it is powered from the lobby interphone power control unit E ₃ to the camera without lobby interphone B _1, relay R _y The relay contact R _yS turns off the connection between the monitor TV power supply D ₁ and the monitor TV power supply line L ₃ , so that power is not supplied to the monitor TV C _n1 .

That is, when a call is made between the dwelling unit intercom C _n with a television and the lobby intercom B ₁ without a camera, since there is no video signal, a place where a raster screen should be displayed when power is supplied to the surveillance television C _n1. Since the surveillance television C _n1 is not supplied with power, the surveillance television C _n1 does not display a raster screen, and the resident of the dwelling unit number “n” does not have to see an unsightly raster screen.

[0017]

However, in the conventional monitoring call system for apartment houses as described above,
There is a problem that the wiring work for various connection cables is complicated, and that it is troublesome and connection errors are likely to occur.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a monitoring call system for an apartment house in which wiring work is simple and has no trouble. .

[0019]

In order to solve the above problems, the present invention provides a lobby intercom with a camera, a lobby intercom without a camera, a dwelling unit intercom with a television, and an image control panel. And a call control panel, the lobby intercom with camera is equipped with a surveillance camera that images visitors, the lobby intercom without camera is not equipped with a surveillance camera,
The dwelling unit intercom with a TV is equipped with a surveillance TV that displays the video signal from the surveillance camera, and the video control panel turns off the power supply to the surveillance TV when the lobby intercom type operated by the visitor is a lobby intercom without a camera. The call control panel recognizes the lobby intercom operated by the visitor and the callee data input by the visitor through the signal line, and identifies the dwelling unit intercom with TV based on the callee data. In a surveillance call system for a housing, which is equipped with a supervisory control transmission unit for transmitting a call control signal, video control of a control terminal device for on / off control based on a control signal transmitted from the supervisory control transmission unit to a signal line. If the lobby intercom type operated by the visitor is a lobby intercom without a camera installed on the board The power-off means for generating a control signal for turning off the power supply to the TV viewing, characterized in that provided in the monitoring control transmission unit.

According to the second aspect of the present invention, the monitoring control transmission section includes the calling delay means for generating the calling control signal after the power-off means generates the control signal for turning off the power supply to the monitor television. It is characterized by being added to.

According to another aspect of the invention, the lobby intercom with the camera, the lobby intercom without the camera, the dwelling unit intercom with the television, the video control panel and the call control panel are included, and the lobby intercom with the camera is a visitor. The lobby intercom without a camera is not equipped with a surveillance camera, the dwelling unit with a TV is equipped with a surveillance TV that projects a video signal from the surveillance camera, and the video control panel is When the lobby intercom type operated by the visitor is a lobby intercom with a camera, the power supply to the surveillance TV is turned on.The call control panel is used by the visitor to operate the lobby intercom and the visitor via the signal line. It recognizes the callee data input by the Those with a monitoring control transmission unit for transmitting a call control signal to identify the come dwelling interphone,
In the surveillance call system for multiple dwelling houses, the video control panel is equipped with a control terminal that controls on / off based on the control signal transmitted from the supervisory control transmission unit to the signal line, and the lobby intercom operated by the visitor is a lobby intercom with camera. In this case, the monitoring control transmission section is provided with a power-on means for generating a control signal for turning on the power supply to the monitoring television.

According to another aspect of the present invention, the call control delay unit for generating the call control signal is generated after the power-on unit generates the control signal for turning on the power supply to the monitor television. It is characterized by being added to.

[0023]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a surveillance call system for a housing complex according to the present invention will be described in detail below with reference to FIG. Note that, in FIG. 1, the same reference numerals are given to the same portions as those of the surveillance call system for housing complex described in the related art with reference to FIG. 2, and therefore detailed description of the same portions will be omitted.

FIG. 1 is a system configuration diagram showing a main part of a surveillance call system for an apartment house. As shown in FIG. 1, the monitoring and calling system for housing complex is different from the conventional monitoring and calling system for housing complex in that the relay R _y (shown in FIG. 2) is deleted from the video control panel D. Instead, the transmission control terminal T is provided, and the non-voltage a-contact output parts B _14, B ₂₄ (shown in FIG. 2) are deleted from the camera-less lobby intercoms B _1, B ₂ to remove the non-voltage a-contact output part B _{14. ,} B ₂₄ and the relay R _y have no wiring connection.

The transmission control terminal T is connected to the signal line L ₁ and is connected to the signal line L ₁ from the supervisory control transmission section E _{1 of the} call control board E.
Receiving the monitoring control signals to be transmitted, and off the relay contact T _S where a built relay contact b (normally-on contact) based on a control instruction included in the monitoring control signal. The relay contact T _S is turned on / off to turn on / off the connection between the surveillance television power source D ₁ and the surveillance television power source line L ₃ , thereby to monitor the surveillance television C _11.
... Supply or stop power supply to C _n1 .

The supervisory control transmission unit E ₁ is provided with a power-off means as a means for generating a transmission control command, and a call delay means for controlling the generation timing of the transmission control command. The power-off means recognizes the type of lobby intercom operated by the visitor (whether with or without camera). If there is no camera, the supervisory control transmission unit E ₁ makes a relay contact T _S to the transmission control terminal T. A control signal to turn off is sent to the signal line L ₁ . Then, after a few seconds,
The calling delay means sends a calling control signal from the supervisory control transmission unit E ₁ to the dwelling unit intercom C _{n of the} dwelling unit corresponding to the dwelling unit number “n” input by the visitor from the key input operation unit of the lobby intercom. The signal is transmitted via the signal line L ₁ .

The monitoring call system for a housing complex of the above-described mode operates as follows. That is, for example, a visitor inputs the dwelling unit number "n" from the key input operation unit A _{13 of the} lobby intercom A ₁ with a camera. Then, the supervisory control transmission unit E ₁ recognizes that the lobby intercom operated by the visitor via the signal line L ₁ is the lobby intercom A ₁ with camera, and the calling unit number is “n”,
Since the type of lobby intercom operated by the visitor is equipped with a camera, the power-off means sends a control signal to the transmission control terminal T to turn off the relay contact T _S to the monitoring control transmission unit E.
It is not possible to send out from ₁ and the dwelling unit intercom with TV of the dwelling unit corresponding to the called unit number "n" C _n
To the signal line L from the supervisory control transmission unit E _1
1 through ₁ and a TV dwelling unit intercom C _n
Sound the ringtone.

At the same time, the supervisory control transmission unit E ₁ gives an instruction to the call line connection switching unit E ₂ and sets the transmission / reception unit A ₁₂ to the call line L.
Connect to ₂ and lobby intercom power control unit E
Power is supplied from ₃ to the lobby intercom with camera A ₁ . Then, the lobby intercom with camera A ₁
When the call is ready, the video signal from the monitoring camera A ₁₁ is sent to the amplifier D ₂ via the mixer D ₃ . Therefore, the video control panel D turns on the connection between the surveillance television power supply D ₁ and the surveillance television power supply line L ₃ via the relay contact T _S, and also outputs the video signal from the surveillance camera A ₁₁ to the amplifier D ₂ . To the video line L ₀ .

Then, the resident of the dwelling unit number "n" who has received the ringing sound of the dwelling unit intercom C _n with a television picks up the handset C _n2 and starts on-hook communication. Then, the dwelling unit intercom C _n with a TV is the monitoring TV C _n1.
Is a visitor standing in front of the lobby intercom A ₁ with a camera on the monitor TV C _n1 by connecting the power input section (not shown) of the monitor to the power supply line L ₃ for the monitor TV to receive the power supply for the monitor TV. Show the other party. Then, the resident of the dwelling unit number “n” who receives the ringing sound of the dwelling unit intercom C _n with TV can talk while observing the state of the visitor.

After that, when the resident of the dwelling unit number "n" who has finished the call hangs up the handset C _n2 again and goes off-hook, the supervisory control transmission unit E ₁ recognizes the end of the call through the signal line L ₁ and sends and receives the call. An instruction to turn off the section A ₁₂ from the call line L ₂ is given to the call line connection switching section E _2, and an instruction to stop the power supply to the lobby intercom with camera A ₁ is given to the lobby intercom power control section E ₃ . give. The call line connection switching unit E ₂ turns off the handset unit A ₁₂ from the call line L ₂ , the lobby intercom power control unit E ₃ stops the power supply to the lobby intercom with camera A ₁ , and the monitoring call system for collective housing It will be in a state of waiting for the operation from the visitor again.

On the other hand, for example, when a visitor is in a lobby without a camera
Intercom B₁Key input operation part B ₁₃From unit number
If "n" is input, the supervisory control transmission unit E₁Is a belief
Line L₁A lobby intercom operated by a visitor via
Lobby intercom B without camera₁And callee's residence
Recognize that the door number is "n" and operate it by the visitor
Since the lobby intercom type is no camera, the power on
The relay means T for the transmission control terminal T_SOff
A control signal indicating that the monitoring control transmission unit E₁Send out from
Relay contact T_STurn off, then wait for 2-3 seconds
, The call delay means is connected to the called unit number "n".
Dwelling unit intercom C with TV_nCall to
Control signal monitoring and control transmission unit E₁To signal line L₁Through
Send out, dwelling unit intercom with TV C_nCall
Make a sound.

At the same time, the supervisory control transmission unit E ₁ gives an instruction to the call line connection switching unit E ₂ and sets the transmission / reception unit B ₁₂ to the call line L.
Connect to ₂ and lobby intercom power control unit E
Power is supplied from ₃ to the lobby intercom B ₁ without a camera, and the lobby intercom B ₁ without a camera is ready to talk.

Then, the resident of the dwelling unit number "n" who receives the ringing tone of the dwelling unit intercom C _n with a television picks up the handset C _n2 and goes on-hook to start a call. Then, the dwelling unit intercom C _n with a TV is the monitoring TV C _n1.
Although the power input section (not shown) is connected to the power line L ₃ for the monitor TV to receive the power for the monitor TV,
Since the relay contact T _S is off, power is not supplied to the monitor TV C _n1 . Then, the resident of the dwelling unit number “n” that has received the ringing sound of the dwelling unit intercom C _n with television can talk to the visitor without the image.

After that, when the resident of the dwelling unit number "n" who has finished the call hangs up the handset C _n2 again and goes off-hook, the supervisory control transmission unit E ₁ recognizes the end of the call through the signal line L ₁ and transmits / receives the call. The call line connection switching unit E ₂ is instructed to turn off the part B ₁₂ from the call line L _2, and the lobby intercom power control unit E ₃ is instructed to stop the power supply to the lobby intercom B ₁ with camera. give. The call line connection switching unit E ₂ turns off the handset unit B ₁₂ from the call line L ₂ , the lobby interphone power control unit E ₃ stops the power supply to the lobby intercom with camera B ₁ , and the monitoring call system for collective housing It will be in a state of waiting for the operation from the visitor again.

That is, when a call is made between the dwelling unit intercom C _n with a television and the lobby intercom B ₁ without a camera, there is no video signal. Therefore, if power is supplied to the surveillance television C _n1 , a raster screen should be displayed. Since the monitor TV C _n1 is not supplied with power, the monitor TV C _n1 does not display the raster screen, and the resident of the house number “n” does not see the unsightly raster screen as in the conventional monitor call system for multi-dwelling houses. It's done. Moreover, surveillance TV C
after turning off the power supply to the _n1 to sound the call tone to the TV with the dwelling units interphone C _n. Therefore, when the resident who has received the call picks up the handset C _n2 , goes on-hook, and starts a call, the power supply to the surveillance television C _n1 is definitely stopped, and the resident of the dwelling unit number “n” is unsightly. Do not look at the screen reliably.

Here, as is apparent from a comparison between the conventional surveillance call system for apartment houses shown in FIG. 2 and the surveillance call system for apartment houses shown in FIG. 1, the absence of the camera-free lobby intercoms B _{1 and} B ₂ is shown. wiring connecting the relay R _y of voltage a contact output unit B _14, B ₂₄ and video control panel D is not required.
That is, the non-voltage a contact output section B _14, B ₂₄ and the video control panel D
No wiring is required to connect to the relay R _y , and the wiring work is simple, but the resident with the unit number “n” does not see an unsightly raster screen, as with the conventional surveillance call system for multiple dwelling houses. Moreover, since the call delay means is provided, it is possible to surely not show an unsightly raster screen or noise even for a moment.

The present invention is not limited to the above embodiment, and the relay contact of the transmission control terminal is a
In addition to the contact (normally off contact), if the type of lobby intercom operated by the visitor has a camera, the contact a of the relay is turned on to connect the monitor TV power supply D ₁ and the monitor TV power supply line L _3. A power-on means for turning on the control signal and generating a control signal may be provided in the supervisory control transmission unit E ₁ . Further, if the monitoring control transmission section is provided with call-delaying means for generating a call-out control signal after the power-on means generates a control signal for turning on the power supply to the surveillance television, it is called by ringing a ringing tone. Residents picking up the handset
You can avoid having to see the unsightly raster screen or noise screen for a moment.

[0038]

According to the invention described in claim 1, the wiring for connecting the lobby intercom without a camera and the video control panel is unnecessary, and the wiring work is simple and hassle-free, and the inhabitants can see the unsightly raster screen. The effect is that it is possible to provide an excellent surveillance call system for apartments that is not necessary to see.

According to the invention described in claim 2, in addition to the effect described in claim 1, since the calling delay means is provided, the resident who is called by the ringing of the ringing sound is unsightly for a moment even if it is unsightly on the raster screen or noise. The effect is that it is possible to provide an excellent surveillance call system for apartments that does not require the user to look at the screen reliably.

According to the invention described in claim 3, there is an effect that it is possible to provide an excellent surveillance call system for an apartment house which has the same effect as in claim 1.

According to the invention described in claim 4, there is an effect that it is possible to provide an excellent surveillance call system for an apartment house, which has the same effect as that described in claim 2.

[Brief description of drawings]

FIG. 1 is a system configuration diagram showing a main part of a surveillance call system for a housing complex according to an embodiment of the present invention.

FIG. 2 is a system configuration diagram showing a main part of a conventional surveillance call system for an apartment house.

[Explanation of symbols]

A _n camera-equipped lobby interphone (where n is 1,
2, _n ) A _n1 surveillance camera (where n is 1, 2, ...) B _n No camera lobby intercom (where n is 1,
2, integer) C _n dwell unit intercom with TV (where n is 1, 2,
… Integer) C _n1 monitor TV (where n is an integer of 1, 2, ...) D Video control panel E Call control panel E ₁ Monitor control transmission unit L ₁ Signal line T Control terminal device

Claims (4)

[Claims] 1. A lobby intercom with a camera, a lobby intercom without a camera, a dwelling unit intercom with a television, a video control panel, and a call control panel, and the lobby intercom with a camera includes a surveillance camera for imaging a visitor. Yes, no camera The lobby intercom does not have a surveillance camera, the dwelling unit intercom with a TV has a surveillance TV that displays the video signal from the surveillance camera, and the video control panel is the type of lobby intercom operated by the visitor. When the lobby intercom without a camera is used, the power supply to the surveillance TV is turned off.The call control panel recognizes the lobby intercom operated by the visitor and the callee data input by the visitor via the signal line. In addition, the dwelling unit intercom with a TV is specified and called based on the callee data. In a surveillance call system for a dwelling house, which includes a supervisory control transmission unit for transmitting a call control signal, a video control panel for a control terminal device for performing on / off control based on a control signal transmitted from the supervisory control transmission unit to a signal line. When the lobby intercom type operated by the visitor is a lobby intercom without a camera, a power-off means for generating a control signal for turning off the power supply to the surveillance TV is provided in the surveillance control transmission section. Surveillance call system for housing complex. 2. The call-off delay means for generating a call-out control signal after the power-off means generates a control signal for turning off the power supply to the monitor television, and is further added to the monitor-control transmission section. The surveillance call system for apartment houses described in 1. 3. A lobby intercom with a camera, a lobby intercom without a camera, a dwelling unit intercom with a television, a video control panel, and a call control panel, and the lobby intercom with a camera is equipped with a surveillance camera for imaging a visitor. Yes, no camera The lobby intercom does not have a surveillance camera, the dwelling unit intercom with a TV has a surveillance TV that displays the video signal from the surveillance camera, and the video control panel is the type of lobby intercom operated by the visitor. When the lobby intercom with camera is turned on, the power supply to the surveillance TV is turned on.The call control panel recognizes the lobby intercom operated by the visitor and the callee data input by the visitor via the signal line. In addition, the dwelling unit intercom with a TV is specified and called based on the callee data. In a surveillance call system for a dwelling house, which includes a supervisory control transmission unit for transmitting a call control signal, a video control panel for a control terminal device for performing on / off control based on a control signal transmitted from the supervisory control transmission unit to a signal line. When the lobby intercom type operated by the visitor is a lobby intercom with a camera, a power-on means for generating a control signal for turning on the power supply to the surveillance TV is provided in the surveillance control transmission section. Surveillance call system for housing complex. 4. The call control delay means for generating a call control signal after the control signal for turning on the power supply to the monitor television is generated by the power-on means is added to the monitor control transmission section. 3. The surveillance call system for housing complex described in 3.