JP2006222888A - Video monitoring system for multiple dwelling house - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To sufficiently protect the privacy of a person of a houses while securing security performance by video monitoring. <P>SOLUTION: When any house device 4 requests the display of the monitoring video of an image pickup device 6, a control part 40 of the house device 4 being a regulating means determines the acceptance/rejection of a monitoring video outputted to the house device 4 on the basis of display acceptance/rejection information stored in a storage portion M and controls a video switching device 5 to be switched and outputs a monitoring image of the image pickup device 6 that is not allowed to display video. This enables the monitoring video of the image pickup device 6 installed in a parking lot not to be displayed on the house device 4 of a person who does not own an automobile or the monitoring video of the image pickup device 6 installed at a playground not to be displayed on the house device 4 of a person who does not have children, so that the privacy of a person of a house can be sufficiently protected while securing the security performance of video monitoring. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention selectively switches and outputs video captured by a plurality of imaging devices installed in a common area of an apartment house by using a video switching device, and outputs the video output from the video switching device to each dwelling unit of the apartment house. The present invention relates to a video surveillance system for collective housing that is displayed on installed dwelling units.

In recent years, multiple imaging devices (surveillance cameras) have been installed at common entrances such as condominiums such as condominiums, parking lots, or children's playgrounds, and images taken with surveillance cameras are installed in each dwelling unit. An image monitoring system for an apartment house that can be displayed is provided (see, for example, Patent Document 1).
JP 2004-357244 A

  However, in the above conventional example, the images of all the monitoring cameras can be freely displayed on each dwelling unit. For example, the images of the monitoring cameras installed in the parking lot by dwelling units of dwellers who do not own a car can be displayed. It is also possible to display or display images of surveillance cameras installed in children's playgrounds with dwelling units of dwellers who do not have children, so it is difficult to say that the privacy of dwellers is sufficiently protected Was in the situation.

  The present invention has been made in view of the above circumstances, and an object thereof is to provide a video surveillance system for collective housing that can sufficiently protect the privacy of dwellers while ensuring security performance by video surveillance. It is in.

  In order to achieve the above object, a first aspect of the present invention provides a plurality of imaging devices installed in a common part of an apartment house, and a video switching for selectively switching and outputting images captured by the plurality of imaging devices. A plurality of dwelling units that are installed in each dwelling unit of the housing complex and are connected to each other via a transmission line and that display a video that is switched and output by the video switching unit, and each dwelling unit, A control device that is connected to the video switching device by a control line and that instructs the video switching device to switch the output video based on a control signal transmitted from each dwelling device via the control line, Display means for displaying an image received via a transmission line, and control signal transmission means for transmitting the control signal for selecting an imaging device for displaying an image on the display means to the control device via the control line And ingredients The control device is a video surveillance system for an apartment house comprising control signal transmission means for transmitting and receiving a control signal between the dwelling unit and the video switching device via the control line, and includes a plurality of dwelling units and each Storage means for storing information that defines a correspondence relationship with an imaging device that is permitted to display video by the display means of the dwelling unit, and video display for each dwelling unit based on the information stored in the storage unit It is characterized in that at least one of the dwelling unit and the control device is provided with restriction means for restricting the video switching device from switching and outputting the video of the imaging device which is not permitted.

  According to a second aspect of the present invention, in the first aspect of the invention, only the control device includes the storage unit and the regulating unit.

  According to the invention of claim 1, when the video display of the imaging device is requested in any dwelling unit, the restriction unit determines whether video output to the dwelling unit is possible based on the information stored in the storage unit, Since the video switching device restricts the switching output of the video of the imaging device that is not permitted to display the video, for example, the video of the imaging device installed in the parking lot in the dwelling unit of a resident who does not own a car Is not displayed, or it is possible to prevent the image of the imaging device installed in the children's playground from being displayed on the dwelling unit of the dweller who does not have children. Can fully protect the privacy.

  According to the second aspect of the invention, in addition to the effect of the first aspect of the invention, it is possible to prevent the restriction from being released by the information being rewritten by each dwelling unit.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  An example of the system configuration of this embodiment is shown in FIG. In the present embodiment, a common unit device (lobby interphone) 2 installed at a common entrance of an apartment house and a plurality of units (only one in the figure) installed at each dwelling unit 4 are provided. 2 and the dwelling unit 4 are connected to each other via a transmission line. The transmission line includes a trunk line L1 connected to the lobby intercom 2 and a separate unit line L2 connected to each dwelling unit 4, and an alarm monitoring panel 1 installed in a manager's room of the apartment house is connected to the trunk line L1. Connected to. As this transmission line, a multi-pair twisted pair cable having three or more pairs in the sheath is used, and although not shown, a communication line La for transmitting an audio signal between the lobby intercom 2 and the dwelling unit 4. And a video line Lb for transmitting a video signal picked up by the camera 26 provided in the lobby intercom 2 and a control signal for designating the dwelling unit 4 selected by the selection means (described later) of the lobby intercom 2 are transmitted. A pair line is used for each of the control lines Lc. That is, the transmission line of the illustrated example uses three pairs of pair wires. Here, the video signal transmitted through the video line Lb is frequency-modulated in the lobby intercom 2 and is frequency-demodulated by the video processing unit 43 provided in each dwelling unit 4 and displayed on the monitor unit 45 as will be described later. .

  As shown in FIG. 3, the lobby interphone 2 is a microphone 24a and a speaker 24b for inputting / outputting voice, and a voice signal transmitted from the dwelling unit 4 via the telephone line La is signal-processed and output to the speaker 24b. The voice signal input from 24a is signal-processed and sent to the call line La, a call processing unit 25 that realizes a hands-free call, a camera 26 that images a visitor, and a video signal output from the camera 26 is frequency-modulated. Then, the video processing unit 27 for transmitting via the video line Lb, the operation switch unit 22 having a number key and a call button for designating the dwelling unit number, the dwelling unit number designated by the operation switch unit 22 and the like are displayed. A notification sound for notifying operation of the display unit 23 and the operation switch unit 22 and a notification message described later are generated and output to the speaker 24b. The notification sound generation unit 29, the control unit 20 that controls the operation of each of the above-described units with the CPU as a main component, the transmission / reception unit 21 that interfaces the control unit 20 and the control line Lc, and the audio signal output from the microphone 24a. An amplifier A1 for amplifying and an amplifier A2 for amplifying an audio signal output to the speaker 24b are provided. That is, when the visitor operates the number button of the operation switch unit 22 as a selection means and selects the visited house number, and operates the call button, the dwelling unit 2 corresponding to the house number is selected. Here, the alarm intercom 2 is connected to the lobby intercom 2 via the telephone line La and the control line Lc, and the dwelling unit number selected on the lobby intercom 2 is transmitted to the alarm intercom 1 via the control line Lc. Then, the alarm monitoring panel 1 sends a control signal (call command) to the dwelling unit 4 corresponding to the dwelling unit number to which a unique address assigned to the calling lobby intercom 2 is added via the control line Lc. And send it out.

  On the other hand, as shown in FIG. 2, the dwelling unit 4 includes a microphone 41a and a speaker 41b for inputting and outputting audio, and the microphone 41a and the speaker 41b are connected to the call processing unit 42, respectively. The call processing unit 42 is connected to a two-wire four-wire conversion unit (not shown) that converts each transmission path on the receiving side and transmission side and the two-wire communication line La to two-wire four-wire. The call processing unit 42 compares the level of the voice signal (received signal) transmitted via the call line La and the level of the voice signal (transmitted signal) output from the microphone 41a to determine the call state (received state or transmitted state). When a call state is estimated, a loss is inserted into the transmission path of the transmission signal, and when a transmission state is estimated, a loss is inserted into the transmission path of the reception signal. And an echo canceller for erasing acoustic echo generated by acoustic coupling between the microphone 41a and the speaker 41b. However, since such voice switches and echo cancellers are well known in the art, detailed illustration and description of the configuration and operation are omitted. Therefore, an audio signal can be exchanged between the lobby intercom 2 and the dwelling unit 4 through the communication line La. A visitor uses the lobby intercom 2 and a resident uses the dwelling unit 4, so that Voice calls can be made with a person.

  Further, in the dwelling unit 4, the communication line La and the video line Lb of the dwelling unit separate line L2 are respectively transmitted through a transmission path (hereinafter referred to as “call path”) of a call signal (a reception signal and a transmission signal) and a video signal. A trunk interface (not shown) that separates the routes is provided. The video signal transmission path is connected to the video processing unit 43, and the speech path is alternatively switched and connected to the call processing unit 42 and the slave unit interface unit 44. The door phone sub unit 3 is connected to the sub unit interface unit 44 through a sub unit connection line L3. The intercom unit 3 is arranged at the entrance of each dwelling unit of the apartment house and includes a microphone and a speaker. The sub unit interface unit 44 includes a bidirectional audio amplifying circuit and a communication unit for calling with the intercom unit 3. An open / close circuit for connecting the roads is provided. Therefore, in a state where the communication path is connected to the handset interface unit 44, a call between the doorphone handset 3 and the dwelling unit 4 is possible. Also, the doorphone slave unit 3 is provided with a television camera, and the slave unit interface unit 44 separates the audio signal and the video signal transmitted via the slave unit connection line L3 and sends the separated video signal to the video processing unit 43. The data can be output and displayed on the monitor unit 45. Further, the doorphone sub unit 3 is provided with a call button, and has a function of sending a call signal to the sub unit connection line L3 when the call button is operated. The dwell unit 4 has a notification sound when the call signal is detected. The ringing tone generated by the generation unit 46 is transmitted from the speaker 41b.

  In the dwelling unit 4, a liquid crystal display is used for the monitor unit 45. The video signal input to the dwelling unit 4 through the video line Lb is balanced-unbalanced converted by the main line interface, further amplified by an amplifier, and then frequency demodulated by the video processing unit 43. The video signal input to the dwelling unit 4 through the slave unit connection line L3 is also balanced-unbalanced converted by the slave unit interface unit 44, further amplified by an amplifier, and then frequency demodulated by the video processing unit 43. The video signal output from the video processing unit 43 is input to the monitor unit 45, thereby displaying a video on the screen of the monitor unit 45. That is, since the image of the visitor imaged by the camera of the lobby intercom 2 or the door phone slave unit 3 is displayed on the monitor unit 45 of the dwelling unit 4, the resident in the dwelling unit can confirm the visitor. . In addition, the notification sound generation unit 46 generates a notification sound for notifying a call from the lobby interphone 2 or the door phone sub unit 3, outputs the generated notification sound to the speaker 41 b, and uses the notification sound as a back tone. It outputs also to the separate line L2 or the subunit | mobile_unit connection line L3.

  The dwelling unit 4 is provided with a control unit 40 having a CPU as a main component and controlling an internal circuit, and a transmission / reception unit 47 serving as an interface with the control line Lc is connected to the control unit 40. The transmission / reception unit 47 has a function of sending a control signal output from the control unit 40 to the control line Lc and delivering the control signal received from the control line Lc to the control unit 40. Further, the dwelling unit 4 includes an operation switch unit 48a including a response button 48b that is operated when answering a call, and a switch input unit 48b that inputs an operation input corresponding to the operation of the operation switch unit 48a to the control unit 40. And are provided. Furthermore, the dwelling unit 4 is provided with a sensor input unit 49 that serves as an interface between the various security sensors (fire detector, gas leak detector, etc.) S installed in the dwelling unit and the control unit 40. That is, in the dwelling unit 4, when a sensor signal notifying the occurrence of an abnormality such as a fire or a gas leak is input from the security sensor S to the control unit 40 through the sensor input unit 49, the control unit 40 notifies the notification sound generation unit 46. A warning sound and a warning message for notifying the occurrence of an abnormality are generated and transmitted from the speaker 41b, and a control signal for notifying the alarm monitoring panel 1 of the occurrence of the abnormality is transmitted from the transmission / reception unit 47 via the control line Lc. The alarm monitor panel 1 is also configured to transmit an alarm for occurrence of abnormality. In addition, the dwelling unit 4 having the call function and the security function in this way is particularly called a housing information board.

  By the way, since the dwelling unit separate line L2 is branched from the trunk line L1, the control signal sent from the lobby intercom 2 via the alarm monitoring panel 1 is transmitted to all the dwelling units 4 connected to the control line Lc. Here, an address (for example, a dwelling unit number) is individually set in the control unit 40 of the dwelling unit 4, and the address of the dwelling unit 4 is designated by selecting the address of the dwelling unit 4 on the lobby intercom 2. A control signal (call command) can be transmitted from the alarm monitoring panel 1 to all the dwelling units 4 via the control line Lc. If the address included in the control signal is its own address, the control unit 40 of the dwelling unit 4 activates the video processing unit 43 and the monitor unit 45 to display the visitor's video captured by the camera of the lobby intercom 2. 4 and the notification sound (calling sound) generated by the notification sound generation unit 46 is transmitted from the speaker 41b. If the resident presses a response button 48b (see FIG. 1) provided on the operation switch unit 48a of the dwelling unit 4 in response to the ringing sound, the control unit 40 is connected to the communication line La. Is connected to the call processing unit 42 and a communication path is established between the lobby interphone 2 and a call can be made only between the lobby interphone 2 and the selected dwelling unit 4. It is possible to display a visitor captured by the camera only on the dwelling unit 4 on the monitor unit 45. When the dwelling unit 4 selected in the lobby intercom 2 has established a communication path with the lobby intercom 2, the end of the call using an appropriate operation button is detected in the lobby intercom 2 or the dwelling unit 4. Then it ends.

  When the call button of the doorphone sub unit 3 is pressed and a call signal is sent to the sub unit connection line L3, the control unit 40 of the dwelling unit 4 that has detected the call signal causes the video processing unit 43 and the monitor unit 45 to operate. The video of the visitor that is activated and captured by the camera of the doorphone slave unit 3 is displayed on the monitor unit 45 of the dwelling unit 4, and the notification sound (calling sound) generated by the notification sound generation unit 46 is transmitted from the speaker 41b. Let Then, if the resident presses the response button 48b of the dwelling unit 4 in response to the ringing sound, the control unit 40 switches to a state in which the communication path is connected to the slave unit interface unit 18 and between the door phone slave unit 3 By establishing the communication path, it is possible to make a call between the door phone slave unit 3 and the dwelling unit 4, and it is possible to display a visitor imaged by the camera on the monitor unit 45.

  The alarm monitoring panel 1 is installed in the manager room of the apartment house, and as shown in FIG. 4, the calling unit 14 for making a call using a handset (not shown) and the dwelling unit number of the dwelling unit 4 An operation unit 12 having a number key for inputting an alarm, an alarm sound generation unit 15 for generating an alarm sound and an alarm message for notifying the occurrence of an abnormality in the dwelling unit 4 and transmitting the alarm sound and a warning message from a speaker (not shown); , A display unit 13 for displaying the dwelling unit number designated by the operation unit 12, a control unit 10 for controlling the operation of the above-mentioned units with the CPU as a main component, and transmission / reception for interfacing the control unit 10 and the control line Lc Unit 11 and a storage unit 16 composed of a rewritable non-volatile memory, a function of performing a call and simultaneous broadcasting with each dwelling unit 4 via the call line La, and a dwelling unit via the control line Lc 4 transmitted from 4 And it has a function for issuing an alarm by receiving a control signal for notifying the occurrence. For example, when the administrator operates the operation unit 12 to input a dwelling unit number and then off-hooks the handset of the calling unit 14, the control unit 10 controls the dwell unit 4 corresponding to the input dwelling unit number with a control signal (call command). ) Is transmitted from the transmission / reception unit 11 to the control line Lc, and only between the selected dwelling unit 4 and the alarm monitoring panel 1 in the same manner as in the communication between the lobby intercom 2 and the dwelling unit 4 described above. A call via the call line La becomes possible. Broadcasting means that an audio signal is transmitted from the alarm monitoring panel 1 to a plurality (all or a part) of the dwelling units 4, and there is no urgent communication or evacuation guidance to each dwelling unit. For the purpose of emergency contact. For example, when performing broadcast to all the dwelling units 4 from the alarm monitoring panel 1, a control signal (simultaneous broadcast start command) instructing the start of the broadcast from the alarm monitoring panel 1 is sent to each dwelling unit via the control line Lc. In each dwelling unit 4 that is transmitted to the unit 4 and receives this control signal, the control unit 40 connects the call path connected to the call line La to the call processing unit 42 in response to the broadcast start command, thereby monitoring the alarm. A communication channel is established with the panel 1, a broadcast audio signal transmitted from the alarm monitoring panel 1 is transmitted to each dwelling unit 4 via the communication line La, and a broadcast audio is transmitted from the speaker 41 b. The

  The alarm monitoring panel 1 is connected to a video switching device 5 via a control line Lc. This video switching device 5 is connected to a plurality of image pickup devices 6 installed in a common part (for example, a parking lot, a children's playground on the site, a common entrance, a garbage dump, etc.) of a housing complex through signal lines Ls. In response to a request from the dwelling unit 4, a video signal input from any of the imaging devices 6 via the signal line Ls is alternatively output to the video line Lb of the trunk line L1. The imaging device 6 includes a well-known monitoring camera having a solid-state imaging device such as a CCD, an optical system such as a lens, a video signal processing circuit, and the like, and outputs a frequency-modulated video signal via a signal line Ls. Note that a video signal output from the imaging device 6 is referred to as a “monitoring video signal”, and a video when the monitoring video signal is displayed on a display device is referred to as a “monitoring video”.

  On the other hand, as shown in FIG. 5, the video switching device 5 is individually opened and closed by a control unit 50 having a CPU as a main component, a transmission / reception unit 51 that interfaces the control unit 50 and the control line Lc, and the control unit 50. And a switching unit 52 including a plurality of normally open switches SW. The plurality of switches SW have one terminal connected to the video line Lb and the other terminal connected to different signal lines Ls, and are individually opened and closed by the control unit 50. That is, all the switches SW are normally turned off, but when a request for transmission of a monitoring video (control signal) is sent from one of the dwelling units 4 through the alarm monitoring panel 1 to the video switching device 5, the control unit 50 In response to the transmission request, only one of the switches SW is turned on, the monitoring video signal of the imaging device 6 connected to the switch SW via the signal line Ls is sent to the video line Lb, and the transmission request is made. The monitoring image can be displayed on the monitor unit 45 of the dwelling unit 4 that has been performed. Therefore, in this embodiment, the alarm monitoring panel 1 corresponds to a control device.

  Here, the storage unit M of each dwelling unit 4 displays a unique ID number (hereinafter referred to as “camera number”) assigned to each imaging device 6 and a monitor video imaged by the imaging device 6. Information (hereinafter referred to as “display availability information”) that defines the correspondence relationship with availability is stored. For example, the monitoring image captured by the imaging device 6 installed in the common entrance and the garbage dump is permitted to be displayed in all the dwelling units 4, but the imaging device installed in a parking lot or a children's playground. 6 is permitted to be displayed only on the dwelling unit 4 of the dweller who owns the car or the dwelling unit 4 of the dweller who has the child, and is parked in the dwelling unit 4 of the dweller who does not own the car. Display of the monitoring video of the imaging device 6 installed in the car park is prohibited, and the display of the monitoring video of the imaging device 6 installed in the children's playground is prohibited in the dwelling unit 4 of the dweller who has no children. In the display availability information, permission / prohibition of monitoring video display is defined for all camera numbers.

  Next, the operation when displaying the monitoring video imaged by the imaging device 6 on the monitor unit 45 of the dwelling unit 4 will be described in detail with reference to the flowchart of FIG.

  First, when the resident operates the operation switch unit 48a to input the camera number of the imaging device 6 that is to display the monitoring video, and then operates the operation button for starting the display of the monitoring video, the input camera The number is taken into the control unit 40 through the switch input unit 48b (step 10). The control unit 40 refers to display enable / disable information stored in the storage unit M, and determines whether monitor video can be displayed for the captured camera number (step 11). If display of the monitoring video for the camera number is permitted, the control unit 40 transmits a control signal including the transmission request command of the monitoring video captured by the imaging device 6 of the camera number and its own address (dwelling unit number). The data is transmitted from the transmission / reception unit 47 to the alarm monitoring panel 1 via the control line Lc (step 12). If the display of the monitoring video for the camera number is prohibited, the control unit 40 displays a display indicating that the display of the monitoring video captured by the imaging device 6 of the camera number is not permitted. To return to the standby state (step 13). That is, in this embodiment, the control part 40 of the dwelling unit 4 is equivalent to a regulation means.

  In the alarm monitoring panel 1, the control signal received by the transmission / reception unit 11 is taken into the control unit 10, and the control unit 10 performs a transmission request command based on the correspondence between the camera number and the switch SW stored in the storage unit 16. A switch control command for turning on the switch SW corresponding to the camera number included in is generated, and a control signal including the switch control command is transmitted from the transmission / reception unit 11 to the video switching device 5 via the control line Lc ( Step 20).

  In the video switching device 5, the control signal received by the transmission / reception unit 51 is taken into the control unit 50, and the control unit 50 turns on the switch SW corresponding to the camera number in accordance with the switch control command (step 30). As a result, since the monitoring video signal of the imaging device 6 connected to the switched switch SW via the signal line Ls is output from the video switching device 5 to the video line Lb, the dwelling unit 4 that has transmitted the transmission request command. In FIG. 5, the monitoring video signal transmitted via the video line Lb is demodulated by the video processing unit 43 and the monitoring video is displayed on the screen of the monitor unit 45 (step 14). In addition, the display of the monitoring video on the dwelling unit 4 is performed when the control unit 10 of the alarm monitoring panel 1 transmits a switch control command and turns off the switch SW of the video switching device 5 when a predetermined time has elapsed from the start of display. The transmission stop command is transmitted to the alarm monitoring panel 1 when the operation for terminating the display of the monitoring video is performed by the dwelling unit 4 or the control unit 10 of the alarm monitoring panel 1 performs switch control. The process may be terminated by transmitting a command and turning off the switch SW of the video switching device 5.

  In this way, when any of the dwelling units 4 is requested to display the monitoring video of the imaging device 6, the dwelling unit is based on the display availability information stored in the storage unit M by the control unit 40 of the dwelling unit 4 serving as the restricting unit. For example, a dwelling unit that does not own a car is determined because the video switching device 5 determines whether or not the video can be output to the machine 4 and restricts the video switching device 5 from switching and outputting the monitoring video of the imaging device 6 that is not permitted to display the video. The monitoring video of the imaging device 6 installed in the parking lot is not displayed on the human dwelling unit 4, or the monitoring video of the imaging device 6 installed on the children's playground is displayed on the dwelling unit 4 of the dweller who has no children. It is possible to prevent the display from being displayed, and it is possible to sufficiently protect the privacy of dwellers while ensuring the security performance by video surveillance.

  By the way, display availability information that defines the correspondence between the dwell unit number of the dwelling unit 4 and the availability of display of the monitoring video imaged by each imaging device 6 is stored in the storage unit 16 of the alarm monitoring panel 1. When the control signal of the transmission request command is received from the machine 4, the control unit 10 of the alarm monitoring panel 1 may determine whether or not the monitoring video can be displayed based on the dwelling unit number and the camera number included in the control signal. Absent. If the display availability information is centrally managed by the alarm monitoring panel 1 instead of each dwelling unit 4 as described above, it is possible to prevent the display availability information from being rewritten on each dwelling unit 4 and the restriction being released. There is an advantage.

It is a system configuration figure showing an embodiment of the present invention. It is a block diagram of the dwelling unit in the same as the above. It is a block diagram of the lobby intercom (shared part apparatus) in the same as the above. It is a block diagram of the alarm monitoring board (control apparatus) in the same as the above. It is a block diagram of the image | video switching apparatus same as the above. It is a flowchart for demonstrating the operation | movement same as the above.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Alarm monitoring panel 10 Control part 4 Dwelling unit 40 Control part M Memory | storage part 5 Image | video switching apparatus 6 Imaging device

Claims (2)

  A plurality of imaging devices installed in a common part of the apartment house, a video switching device that selectively switches and outputs images captured by the plurality of imaging devices, and a video switching device installed in each dwelling unit of the apartment house Is connected via a transmission line and is displayed by a plurality of dwelling units that display images switched by a video switching device, and connected to each dwelling unit and the video switching device via control lines. A control device that instructs the video switching device to switch the output video based on a control signal transmitted from each dwelling unit, each dwelling unit includes a display means for displaying the video received via the transmission line; Control signal transmission means for transmitting the control signal for selecting an imaging device for displaying an image on a display means to the control device via the control line, and the control device is a dwelling unit via the control line. Machine and projection An image monitoring system for an apartment house comprising a control signal transmission means for transmitting and receiving a control signal to and from a switching device, wherein an imaging device is allowed to display a video by a plurality of dwelling units and a display unit of each dwelling unit The video switching device switches and outputs the video of the imaging device that is not permitted to display video to each dwelling unit based on the information stored in the storage unit An image monitoring system for an apartment house, characterized in that at least one of the dwelling unit and the control device includes a restricting means for restricting the operation.   The image monitoring system for an apartment house according to claim 1, wherein only the control device includes the storage unit and the regulation unit.

Images