JPH09238327A - Multiple dwelling house interphone system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable even a master set in a custodian room to erase a message video image of a master set in a living room by receiving a video erasure signal from the master set in the custodian room at the master set in the living room, thereby erasing the video image in a video memory. SOLUTION: A master set in a custodian room 109 sends a video erasure signal f3 to erase a message video signal f1 . A master set in a living room 11a has a living room set 1, a video recording unit 102 and a video monitor 3, and the unit 102 is provided with a video memory 123 that sequentially and circulatingly records the message video signal f1 in its memory areas Ad11 -Ad1n and with a memory controller CPU 12 that erases the message video signal f1 stored in newest areas of the memory areas Ad11 -Ad1n upon the receipt of the video erasure signal f3 from the master set in the custodian room 109.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an intercom system for a housing complex, and more particularly to an intercom system for a housing complex that can erase a message image recorded in a recording unit in a living room even from a management room.

[0002]

2. Description of the Related Art Conventionally, there has been known an intercom house device that can record an image of a visitor from a collective entrance or record a message from a management room to all rooms at once or an individual message to each room when a resident is away. Has been. As shown in FIGS. 9 to 12, this intercommunal housing device has a collective entrance device 207, a control room master device 209, and a video transmission device 208 via a control device 205 or a video control device 206. , ...
, The living room main unit 20a, ... Has a recording unit 202 capable of recording the images and messages from the collective entrance 207 and the management room main unit 209 when the resident is out.

The collective entrance 207 and the control room master 209 are connected to the room master 201 of the room master 20a, ... through the trunk lines R1 and R2 via the controller 205, and the video transmitter 208 controls the video. Video signal distribution line 204 via video signal trunk lines A1 and A2
Is connected to the video monitor 203 via the recording unit 202 of the room master unit 20a. The common part of this intercom system is shown in FIG.
Is connected to the communication / voice switching circuit 251 connected to the trunk lines R1 and R2.

The control circuit CPU 26 of the video controller 206 is connected to the video circuit 261, the communication / video switching circuit 262, and the communication / video switching circuit 262 is the communication / audio switching circuit 251, the video circuit 261 and the video of the controller 205. It is connected to the signal trunk lines A1 and A2. The control unit CPU 27 of the collective entrance 207 is connected to the communication circuit 271, the camera 272, the video circuit 273, the audio circuit 274, the operation unit 275, and the display unit 276. The communication circuit 271 includes the audio circuit 274 and the controller 2.
It is connected to the communication / voice switching circuit 251 of 05. Camera 2
72 is connected to the video circuit 273, and the video circuit 273 is a video controller.
It is connected to the video circuit 261 of 206.

The control unit CPU 29 of the master unit 209 in the control room is a communication circuit.
291, connected to the audio circuit 292, the operation unit 293, the display unit 294,
The communication circuit 291 is connected to the voice circuit 292 and the communication / voice switching circuit 251 of the controller 5. Control unit CPU2 of video transmitter 208
8 is a camera 281, a video circuit 282, an operation unit 283, a display unit 284.
, The camera 281 is connected to the video circuit 282, and the video circuit 282 is connected to the video circuit 261 of the video controller 206.

As shown in FIG. 11, the master unit 20a for the room is a room unit 2
01, a recording unit 202, and a video monitor 203.
The control device CPU21 of the office unit 201 includes a communication circuit 211, a signal input circuit 212, a call circuit 213, an output control circuit 214, a voice circuit 215,
It is connected to the operation unit 216 and the display unit 217. The communication circuit 211 of the office unit 201 is connected to the trunk lines R1 and R2 and the communication circuit 213,
The call circuit 213 is connected to the voice circuit 215.

The control device CPU 22 of the recording unit 202 includes a video circuit 221, a signal input circuit 222, a video memory 223, and an operating section 22.
4, connected to the output control circuit 225. Recording unit 20
The second video circuit 221 is connected to the video memory 223, and the signal input circuit 222 is connected to the output control circuit 214 of the living room 201. Further, as shown in FIG. 12, the video memory 223 of the recording unit 202 includes a D / A conversion circuit 223a and an A / D conversion circuit 223.
b, the control circuit 223c, a memory control unit CPU 202, a memory area Ad ₂₁ ~Ad _2n, the memory area Ad ₂₁ to AD _2n are connected to the memory controller CPU 202. Video circuit 22
D / A conversion circuit 223a and A / D conversion circuit 223 connected to 1
b is connected to the control circuit 223c and the memory control device CPU202, and the control circuit 223c is connected to the control device CPU22.

[0008] The room master unit 20a described here
Memory areas Ad _{21 to} Ad _{2n of} the video memory 223 provided in
Are provided, for example, and are classified into dedicated memory areas for individual message recording, simultaneous message recording, and guest recording. (Here, memory areas Ad ₂₁ and Ad ₂₂ are used for individual message recording, memory areas Ad ₂₃ and Ad ₂₄ are used for simultaneous message recording, and memory areas Ad _{25 to} Ad ₂₈ are used for guest recording.) Control of video monitor 203 The device CPU 23 is connected to the video circuit 231, the monitor 232, the signal input circuit 233, and the operation unit 234. The video circuit 231 of the video monitor 203 is connected to the video circuit 221 of the recording unit 202 and the monitor 232.

The video branch 242 of the video branching / distributing device 204 is connected to the video circuit 221 of the recording unit 202, and the video input 243 and the video output 241 are connected to the video branch 242. Here, the configuration and connection of the living room master device 20a have been described, but since the other living room master devices also have the same configuration and connection, description of the other living room master devices will be omitted.

In the intercom system of housing units constructed as described above, when the control room master unit 209 records an individual message video on the room master unit 20a using the video transmitter 208, the operation unit of the management room master unit 209 If the room number is operated with the numeric keypad (not shown) of 293 and the message sending button (not shown) is pressed, the control unit CPU 29 causes the room master unit 2
Individual message transmission signal to 0a is communication circuit 291, controller 205
Of the control circuit CP via the communication / audio switching circuit 251 and the communication / video switching circuit 262 of the video controller 206.
U26 is controlled.

In the video transmitter 208, by operating the operation unit 283, the control unit CPU 28 operates the camera 281 to capture the message video. The message video signal captured from the camera 281 is sent to the video circuit 261 of the video controller 206 via the video circuit 282, and the control circuit CPU 26 of the video controller 206 communicates / video switching circuit 262, the video signal main line A1, A message video signal is sent to the room master unit 20a via A2.

The room master unit 20a receives the individual message transmission signal at the control unit CPU21 via the communication circuit 211 of the room unit 201, and outputs the control signals TV + and TV- from the control unit CPU21 to the output control circuit 214 and the recording unit 202. To the control device CPU 22 via the signal input circuit 222. The message video signal from the video controller 206 is the video branching / distributing device 204 and the recording unit 202.
Is input to the video memory 223 via the video circuit 221 of
An analog signal is converted into a digital signal by the D conversion circuit 223b, and the image is recorded in the memory area Ad ₂₁ by the memory control device CPU 202.

When the individual message video is still recorded in the memory area Ad ₂₁ of the video memory 223 and another individual message video is transmitted again, it is recorded in the memory area Ad ₂₂ and another individual message video is transmitted. Then, it is recorded in the memory area Ad ₂₁ . In this way, when the message video is recorded in all the memory areas Ad ₂₁ and Ad ₂₂ for recording individual messages, the memory areas in which the oldest message video is recorded are sequentially overwritten.

When the control room master unit 209 uses the video transmitter 208 to record the simultaneous message video to all the room master units 20a, ..., The master key 209 on the operation unit 293 of the management room master unit 209 indicates the simultaneous message. By manipulating the numerical values and pressing the message send button, the control unit CPU29 causes all the room master units 20a, ...
To the all-room master unit 20a, ... via the communication circuit 291, the communication / voice switching circuit 251 of the controller 205, the trunk lines R1, R2, and the communication / voice switching circuit 251,
The control circuit CPU 26 is controlled via the communication / video switching circuit 262 of the video controller 206.

In the video transmitter 208, by operating the operation unit 283, the control unit CPU 28 operates the camera 281 to take in the message video. The message video signal captured from the camera 281 is sent to the video circuit 261 of the video controller 206 via the video circuit 282, and the control circuit CPU 26 of the video controller 206 communicates / video switching circuit 262, the video signal main line A1, A message video signal is sent to all the master units 20a in the room via A2.

The master devices 20a, ... Of all the living rooms send a simultaneous message transmission signal via the communication circuit 211 of the living room device 201 to the control device CPU2.
The control signal CPU + receives the control signals TV + and TV− from the control device CPU21 to the control device CPU22 via the output control circuit 214 and the signal input circuit 222 of the recording unit 202. The message video signal from the video controller 206 is input to the video memory 223 via the video branching / distributing device 204 and the video circuit 221 of the recording unit 202, and converted from an analog signal to a digital signal by the A / D conversion circuit 223b. The image is recorded in the memory area Ad ₂₃ by the memory control device CPU 202.

When another broadcast message image is sent again while the broadcast message image is still recorded in the memory area Ad ₂₃ of the image memory 223, it is recorded in the memory area Ad ₂₄ , and another broadcast message image is sent again. Then, it is recorded in the memory area Ad ₂₃ . In this way, when the message video is recorded in all the memory areas Ad ₂₃ , Ad ₂₄ for simultaneous message recording, the oldest message video is sequentially overwritten from the memory area in which the message video is recorded.

Incidentally, regarding the reproduction of the simultaneous and individual messages recorded in the room master unit 20a, the recording unit 202
When a reproduction operation is performed by the operation unit 224, the control device CPU 22 sends a reproduction signal to the control device CPU 23 via the output control circuit 225 and the signal input circuit 233 of the video monitor 203, and operates the monitor 232. The control device CPU 22 of the recording unit 202 controls the memory control circuit 223c of the video memory 223 and the memory control device CPU 202 to perform D / A conversion from the message video in the memory area in which the oldest video signal is recorded according to the reproduction operation. The circuit 223a converts a digital signal into an analog signal,
Output to the monitor 232 of the video monitor 203.

[0019]

In the conventional inter-compartment housing complex, when a message video is sent from the control room master to the room master, the management room master records the message video in the recording unit of the room master. Therefore, if the wrong message image is recorded in the memory area, the message image cannot be erased from the master device in the control room.

The present invention has been made in order to solve such a problem, and is a set capable of deleting the message image from the management room master unit recorded in the recording unit of the living room master unit even in the management room master unit. An object is to provide a housing intercom device.

[0021]

In order to achieve the above-mentioned object, the housing complex intercom apparatus according to the present invention is a room master having a recording unit and a management room master having a video transmitter for transmitting a message video signal. Connected to the in-room machine of the management room, connect the video transmitter of the master room of the management room to the video monitor via the recording unit of the master machine of the room, and monitor the message video from the master machine of the management room on the video monitor of the master room of the room. In the inter-compartment housing device, the video transmitter has a camera for transmitting a video erasing signal in which the video level of the message video signal is set to a predetermined value or less, and the recording unit of the in-room master unit is
An image level detection circuit that detects the image level of the message image signal from the image transmitter, an image memory that circulates the message image signal in the memory area and sequentially records, and an image detected by the image level detection circuit in the image memory. And a memory control device for deleting the message video signal recorded in the newest memory area when the deletion signal is received.

Alternatively, the control room master unit equipped with a video transmitter to which the message video signal is transmitted is connected to the room master unit of the room master unit having the recording unit, and the video transmitter of the management room master unit is connected to the room master unit. Connect to the video monitor via the recording unit,
A housing complex intercom device that monitors a message video from the management room base unit on a video monitor of the living room base unit, wherein the management room base unit has an operation unit for transmitting a video deletion signal for deleting the message video signal, The recording unit of the master unit in the living room circulates the message video signal in the memory area and sequentially records the video memory, and the message video signal recorded in the newest memory area when the video deletion signal is received from the master unit in the control room. And a memory controller for erasing.

By constructing such an inter-compartment housing device, it is possible to delete the message video from the management room master unit recorded in the recording unit of the living room master unit even in the management room master unit.

[0024]

BEST MODE FOR CARRYING OUT THE INVENTION An intercom system for housing a housing of the present invention will be described in detail below with reference to the drawings showing a preferred embodiment. In the intercommunal housing device according to the present invention as shown in FIGS. 1 to 4, the control room main unit 9 and the collective entrance 7 which are provided with the video transmitter 8 for transmitting the message video signal f ₁ are the control units 5 and 5.
Via the recording unit 2 of the room master unit 10a, which has the recording unit 2, and the video transmitter 8 through the video controller 6, the video branching distributor 4, the room master unit 10a ,. Is an intercom unit for a housing unit that is connected to the video monitor 3 and monitors the message video from the master unit 9 of the control room on the video monitors 3 of the master units 10a ,.

The shared part of this intercom housing unit is shown in FIG. 2, and the control device CPU5 of the controller 5 is connected to the communication / voice switching circuit 51 connected to the trunk lines R1 and R2. The control circuit CPU6 of the video controller 6 is connected to the video circuit 61 and the communication / video switching circuit 62, and the communication / video switching circuit 62 is a controller.
The communication / voice switching circuit 51, the video circuit 61, and the video signal trunk lines A1 and A2 of FIG.

The control unit CPU7 of the collective entrance machine 7 has a communication circuit 7
1, the camera 72, the video circuit 73, the audio circuit 74, the operation unit 75, the display unit 76, the communication circuit 71 is connected to the audio circuit 74 and the controller 5.
It is connected to the communication / voice switching circuit 51 of. The camera 72 is connected to the video circuit 73, and the video circuit 73 is connected to the video circuit 61 of the video controller 6. Control unit CPU8 of video transmitter 8
Is a camera 81, a video circuit 82, which outputs a video erasing signal f _{2 in} which the video level of the message video signal f ₁ is equal to or lower than a predetermined value.
It is connected to the operation unit 83 and the display unit 84. The camera 81 is connected to the video circuit 82, and the video circuit 82 is connected to the video circuit 61 of the video controller 6.

The control unit CPU9 of the control room main unit 9 is a communication circuit 9
1, the voice circuit 92, the operation unit 93, the display unit 94 is connected, the communication circuit 91 is the voice circuit 92 and the controller 5 communication / voice switching circuit 51.
It is connected to the. The in-room master unit 10a, ... Has an in-room unit 1, a recording unit 2, and a video monitor 3 as shown in FIG.

The control device CPU1 of the office unit 1 includes a communication circuit 11, a communication circuit 12, a signal input circuit 13, an output control circuit 14, and a voice circuit.
15, the operation unit 16, and the display unit 17 are connected. The communication circuit 12 of the office unit 1 is connected to the trunk lines R1 and R2 and the call circuit 11, and the call circuit 11 is connected to the voice circuit 15. Recording unit
2 is a video level detection circuit 27 for detecting the video level of the message video signal f ₁ from the video transmitter 8 and a video memory 23 for cyclically recording the message video signal f ₁ in the memory areas Ad _{1 to} Ad _n. The control device CPU2 is connected to the signal input circuit 22, the video memory 23, the operation unit 24, the output control circuit 25, the display unit 26, and the video level detection circuit 27. The video circuit 21 of the recording unit 2 is connected to the video memory 23 and the video level detection circuit 27, and the signal input circuit 22 is connected to the output control circuit 14 of the living room unit 1.

Further, the video memory 23 of the recording unit 2 as shown in FIG. 4 has the newest memory area Ad when the video erasing signal f ₂ detected by the video level detecting circuit 27 is received.
_{1 to} Ad _n has a memory controller CPU 102 for erasing the message video signal f ₁ recorded, and the memory controller CPU 102
Memory areas Ad _{1 to} Ad _n , A / D conversion circuits 23b, D /
The A conversion circuit 23a and the control circuit 23c are connected. The control circuit 23c connected to the control device CPU2 is connected to the D / A conversion circuit 23a and the A / D conversion circuit 23b, and the D / A conversion circuit
23a and the A / D conversion circuit 23b are connected to the video circuit 21.

The room master unit 10a described here
The memory areas Ad _{1 to} Ad _n of the video memory 23 provided in
For example, it is assumed that eight memory areas are provided, and they are divided into individual memory areas for individual message recording, simultaneous message recording, and guest recording. (Here, memory areas Ad ₁ and Ad ₂ are used for individual message recording, memory areas Ad ₃ and Ad ₄ are used for simultaneous message recording, and memory areas Ad _{5 to} Ad ₈ are used for guest recording.) Video monitor 3 control The device CPU3 consists of a video circuit 31, a monitor 3
2. The signal input circuit 33 and the operation unit 34 are connected, and the signal input circuit 33 is connected to the output control circuit 25 of the recording unit 2. The video circuit 31 of the video monitor 3 is connected to the video circuit 21 of the recording unit 2, and the video circuit 31 is connected to the monitor 32.

The video branch 42 of the video branching / distributing device 4, ... Is connected to the video circuit 21 of the recording unit 2, and the video input 42 and the video output 41 are connected to the video branch 42. Another intercommunal housing device according to the present invention as shown in FIGS. 5 to 8 is a video transmitter 108 to which a message video signal f ₁ is transmitted.
The control room master unit 109 and the collective entrance machine 7 are connected to the room master unit 11a of the room master unit 11a having the recording unit 102 via the controller 5 and the video transmitter 108 of the management room master unit 109 is connected. The control room master unit 109 is connected to the video monitor 3 through the recording unit 102 of the video controller 6, the video branching / distributing device 4, the living room master unit 11a, ....
The message monitor from the room main unit 11a, ...
It is an intercom system for apartments that is monitored by.

In this intercommunal housing device, the common part is shown in FIG. 6, and the room master units 11a, ... Are shown in FIG. The controller 5, the image controller 6, the collective entrance 7, the image transmitter 8 and the living room unit 1 and the image monitor 3 in FIG. 7 are the controller 5, the image controller 6, and the image controller 6 in FIG. 2 described above. Meeting entrance machine 7, video transmitter 8 and figure
The same configuration and connection as those of the room unit 1 and the video monitor 3 of No. 3 will be omitted.

The control room main unit 109 shown in FIG. 6 is an operation unit for sending out a video erasing signal f ₃ for erasing the message video signal f _1.
The control unit CPU 19 has a communication circuit 191, an audio circuit 19
2. The operation unit 193 is connected to the display unit 194, and the communication circuit 191 is connected to the voice circuit 192 and the communication / voice switching circuit 51 of the controller 5. The room master unit 11a has a room unit 1, a recording unit 102, and a video monitor 3 as shown in FIG.
Is a video memory 123 that circulates the message video signal f ₁ in the memory areas Ad _{11 to} Ad _1n and sequentially records it, and a master unit 109 in the control room.
Message video signal f ₁ recorded in the newest memory area Ad _{11 to} Ad _1n when the video erase signal f ₃ is received from
And a memory controller CPU12 for erasing
12 is a video circuit 121, a signal input circuit 122, a video memory 12
3, connected to the output control circuit 124, the operation unit 125, and the display unit 126. The video circuit 121 of the recording unit 102 is a video memory 12
3, connected to the video circuit 31 of the video monitor 3, the signal input circuit
122 is connected to the output control circuit 14 of the living room unit 1. The output control circuit 124 is connected to the signal input circuit 33 of the video monitor 3.

Further, a recording unit 102 as shown in FIG.
The memory areas Ad _{11 to} Ad _1n , the A / D conversion circuit 123b, the D / A conversion circuit 123a, and the control circuit 123c are connected to the memory control device CPU 112 of the video memory 123. Control device
The control circuit 123c connected to the CPU 12 is a D / A conversion circuit 123
a and the A / D conversion circuit 123b, and the D / A conversion circuit 123
The a and the A / D conversion circuit 123b are connected to the video circuit 121.

The room master unit 11a described here
Memory area Ad _{11 to} Ad _{1n of} the video memory 123 provided in
Are provided, for example, and are classified into dedicated memory areas for individual message recording, simultaneous message recording, and guest recording. (Here, memory areas Ad ₁₁ and Ad ₁₂ are used for individual message recording, memory areas Ad ₁₃ and Ad ₁₄ are used for simultaneous message recording, and memory areas Ad _{15 to} Ad ₁₈ are used for guest recording.) Although the configurations and connections of 10a and 11a have been described, the other master units in the room have the same configurations and connections, and therefore the description of the other master units in the room is omitted.

The thus constructed multi-story intercom system according to the present invention as shown in FIGS.
The individual message video signal f ₁ from 9 is recorded in the memory areas Ad ₁ and Ad ₂ for individual message recording of the video memory 23 provided in the recording unit 2 of the master unit 10a of the room, and the simultaneous message video signal f ₁ is recorded. Are recorded in memory areas Ad ₃ and Ad ₄ for simultaneous message recording.

When the control room main unit 9 uses the video transmitter 8 to record an individual message video in the room main unit 10a, for example, the room number is specified by the ten key (not shown) of the operation unit 93 of the control room main unit 9. Operate and send message button (not shown)
By pressing, the individual message transmission signal from the control unit CPU9 to the room master unit 10a is transmitted to the room master unit 10a via the communication circuit 91, the communication / voice switching circuit 51 of the controller 5, the trunk lines R1 and R2, and The control circuit CPU 6 is controlled via the communication / audio switching circuit 51 and the communication / video switching circuit 62 of the video controller 6.

In the video transmitter 8, by operating the operation unit 83, the control unit CPU 8 operates the camera 81 to take in the message video. The message video signal f ₁ captured from the camera 81 is sent to the video circuit 61 of the video controller 6 via the video circuit 82.
Then, the control circuit CPU6 of the video controller 6 sends the message video signal f ₁ to the room master unit 10a via the video circuit 61, the communication / video switching circuit 62, and the video signal trunk lines A1 and A2.

The room master unit 10a receives the individual message transmission signal at the control unit CPU1 via the communication circuit 12 of the room unit 1, and outputs the control signals TV + and TV- from the control unit CPU1.
14, control unit C via the signal input circuit 22 of the recording unit 2
Send to PU2. Message video signal from video controller 6
The f ₁ is sent to the video circuit 21 of the recording unit 2 via the video branching / distributing device 4, and the video level detecting device 27 detects the video level. If the video level is 10 [IRE] or higher,
Control unit CPU2 controls the control circuit 23c and the memory control unit CPU102 video memory 23, room messages video signal f ₁ which is sent to the master unit 10a is input to the video memory 23, A /
An analog signal is converted into a digital signal by the D conversion circuit 23b and recorded in the memory area Ad ₁ by the memory control CPU 102.

When the control room main unit 9 uses the video transmitter 8 to record the simultaneous message video to all the room master units 10a, ..., The simultaneous key is displayed on the ten-key pad of the operation unit 93 of the management room main unit 9. By operating the numerical value and pressing the message send button, a simultaneous message send signal is sent from the control unit CPU9 to all the room master units 10a, ... to the communication circuit 91, the communication / voice switching circuit 51 of the controller 5, the trunk lines R1 and R2. All the parent room 10a, via ...
And the communication / audio switching circuit 51, the video controller
The control circuit CPU6 is controlled via the communication / video switching circuit 62 of 6.

In the video transmitter 8, by operating the operation unit 83, the control unit CPU 8 operates the camera 81 to take in the message video. Message video signal captured from camera 81
f ₁ is transmitted to the video circuit 61 of the video controller 6 via the video circuit 82, and the control circuit CPU 6 of the video controller 6 sends the video signal 6 to the video circuit 6.
1. The message video signal f ₁ is transmitted to all the room master units 10a, ... Via the communication / video switching circuit 62 and the video signal trunk lines A1 and A2.

The master devices 10a, ... Of all the living rooms receive the simultaneous message sending signal at the control device CPU1 via the communication circuit 12 of the living device 1, and output the control signals TV +, TV- from the control device CPU1. It is transmitted to the control device CPU2 via the signal input circuit 22 of the recording unit 2. The message video signal f ₁ from the video controller 6 is sent to the video circuit 21 of the recording unit 2 via the video branching / distributing device 4, and the video level detecting device 27 detects the video level. If the video level is 10 [IRE] or higher, the control device CPU2 controls the control circuit 23c of the video memory 23 and the memory control device CPU102, and the entire room master unit 10a, ...
The message video signal f ₁ sent to the video signal 23 is input to the video memory 23, converted from an analog signal to a digital signal by the A / D conversion circuit 23b, and recorded in the memory area Ad ₃ by the memory control CPU 102.

If a wrong message image is sent as the message image to be recorded in the individual message memory area of the image memory 23, it is desired to delete it with the ten key of the operation unit 93 of the master unit 9 of the control room. For example, the master unit 1
Press the room number of 0a, then the camera 8 of the video transmitter 8
1 is operated to prevent light from entering the camera 81, and the operation unit 83 is operated to operate the camera 81, and an image erasing signal f ₂ having an image level of 10 [IRE] or less is transmitted. The video deletion signal f ₂ captured by the camera 81 is sent to the video circuit 21 of the recording unit 2 via the video circuit 82, the video controller 6, and the video branching / distributing device 4, and the video level is detected by the video level detecting device 27. To detect. At this time, since the image erasing signal f ₂ has an image level of 10 [IRE] or less, the control device CPU 2 controls the memory control device CPU 102 of the video memory 23 to record in the memory areas Ad ₁ and Ad ₂ for individual messages. The latest individual message image is deleted.

When an incorrect message video is sent as the message video to be recorded in the memory area for simultaneous message, the operation unit 193 of the master unit 109 of the control room is sent.
Use the numeric keypad to operate the value indicating the simultaneous message, then cover the camera 81 of the video transmitter 8 to prevent light from entering the camera 81 and operate the operation unit 83 to operate the camera 81.
Sends an image erase signal f ₂ with an image level lower than [IRE]. The video erasing signal f ₂ captured by the camera 81 is sent to the video circuit 21 of the recording unit 2 through the video circuit 82, the video controller 6, and the video branching / distributing device 4, and the video level detecting device 27
The video level is detected by. At this time, the image deletion signal f ₂
Is a video level of 10 [IRE] or less, so the control device CPU
The memory control device CPU 102 of the video memory 23 is controlled by 2 to erase the latest message video recorded in the memory areas Ad ₃ and Ad ₄ for simultaneous message.

In other intercommunal housing devices as shown in FIGS. 5 to 8, the individual message video signal f ₁ from the control room master unit 109 is provided in the recording unit 102 of the living room master unit 11a. Individual message recording memory areas Ad ₁₁ and Ad ₁₂ of the video memory 123 are recorded, and the simultaneous message video signal f ₁ is recorded to the simultaneous message recording memory areas Ad ₁₃ and Ad 12.
Record to ₁₄ .

When the control room base unit 109 uses the video transmitter 8 to record an individual message video in the living room base unit 11a, for example,
By operating the room number with the ten key (not shown) of the operation unit 193 of the control room master unit 109 and further pressing the message send button (not shown), the control unit CPU 19 sends an individual message transmission signal to the room master unit 11a. Is transmitted to the room main unit 11a via the communication circuit 191, the communication / audio switching circuit 51 of the controller 5, and the trunk lines R1 and R2, and the communication / audio switching circuit 51 and the communication / video switching circuit of the video controller 6 are transmitted. The control circuit CPU6 is controlled via 62.

In the video transmitter 8, by operating the operation unit 83, the control unit CPU 8 operates the camera 81 to take in the message video. The message video signal f ₁ captured from the camera 81 is transmitted to the video controller 6 via the video circuit 82,
The control circuit CPU6 of the video controller 6 uses the video circuit 61, the communication / video switching circuit 62, and the video signal trunk lines A1 and A2 to operate the room main unit 11
Send the message video signal f ₁ to a.

The in-room main unit 11a receives the individual message transmission signal in the control unit CPU1 via the communication circuit 12 of the in-room unit 1, and outputs the control signals TV + and TV- from the control unit CPU1.
14. Transmit to the control device CPU 12 via the signal input circuit 122 of the recording unit 102. The message video signal f ₁ from the video controller 6 is input to the video memory 123 via the video branching / distributing device 4 and the video circuit 121 of the recording unit 102, and the control device CPU 1
2 is a control circuit 123c of the video memory 123 and a memory control device
The CPU 112 is controlled, an analog signal is converted into a digital signal by the A / D conversion circuit 123b, and the image is recorded in the memory area Ad ₁₁ by the memory control CPU 122.

When the control room master unit 109 uses the video transmitter 8 to record the simultaneous message video to all the room master units 11a, ..., The master key 109 of the operation unit 193 of the management room master unit 109 indicates the simultaneous message. By operating the numerical values and pressing the message send button, a simultaneous message send signal is sent from the control unit CPU 19 to all the room master units 11a, ... to the communication circuit 191, the communication / voice switching circuit 51 of the controller 5, the trunk lines R1 and R2. Through all the rooms master unit 11
a is transmitted to the control circuit CPU6 via the communication / audio switching circuit 51 and the communication / video switching circuit 62 of the video controller 6.
Is controlled.

In the video transmitter 8, by operating the operation unit 83, the control unit CPU 8 operates the camera 81 to capture the message video. Message video signal captured from camera 81
f ₁ is transmitted to the video controller 6 via the video circuit 82, and the control circuit CPU 6 of the video controller 6 controls the entire room through the video circuit 61, the communication / video switching circuit 62, and the video signal trunk lines A1 and A2. Base unit 11
The message video signal f ₁ is sent to a, ....

All the room master units 11a, ... Receive the simultaneous message transmission signal by the control unit CPU1 via the communication circuit 12 of the room unit 1, and output the control signals TV +, TV- from the control unit CPU1. It is transmitted to the control device CPU 12 via the signal input circuit 122 of the recording unit 102. The message video signal f ₁ from the video controller 6 is input to the video memory 123 via the video branching / distributing device 4 and the video circuit 121 of the recording unit 102, and the control device
The CPU 12 controls the control circuit 123c of the video memory 123 and the memory control device CPU 112, and the A / D conversion circuit 123b converts the analog signal into a digital signal.
Is recorded in the memory area Ad ₁₃ by. Here, if an incorrect message video is sent as a message video to be recorded in the memory area for individual messages of the video memory 123, it is desired to delete it using the ten-key pad of the operation unit 193 of the management room master unit 109, for example, the room master. Press the room number of the machine 11a, and then press the message deletion button (not shown). When the video erase signal f ₃ is transmitted from the operation unit 193,
It is transmitted to the room master unit 11a via the control unit CPU 19, the communication circuit 191, the communication / voice switching circuit 51 of the controller 5, and the trunk lines R1 and R2. Receiving the image rejection signal f ₃ by the communication circuit 12 of the room master station 11a room unit 1, the control unit CPU 1, the output control circuit 14, it is transmitted to the controller CPU12 through the signal input circuit 122 of the recording unit 2, a video The control circuit 123c of the memory 123 is controlled. When the memory control device CPU 112 is controlled by the control circuit 123c, the newest message image recorded in the memory areas Ad ₁₁ and Ad ₁₂ for individual messages is erased.

When a wrong message video is sent as the message video to be recorded in the memory area for simultaneous message, the operation unit 193 of the master unit 109 of the control room is sent.
Use the numeric keypad to operate the numerical value indicating the message at once, and then press the message deletion button. When the image erasing signal f ₃ is transmitted from the operation unit 193, it is transmitted to the room main unit 11a, ... Through the control unit CPU 19, the communication circuit 191, the communication / voice switching circuit 51 of the controller 5, the trunk lines R1 and R2. It Living room main unit 11a, ...
In receiving the image rejection signal f ₃ by the communication circuit 12 of the room unit 1,
It is transmitted to the control device CPU12 via the control device CPU1, the output control circuit 14, and the signal input circuit 122 of the recording unit 2, and controls the control circuit 123c of the video memory 123. When the memory control device CPU 112 is controlled by the control circuit 123c, the newest message image recorded in the memory areas Ad ₁₃ and Ad ₁₄ for simultaneous message is erased.

[0053]

As is apparent from the above description, according to the intercommunal housing device of the present invention, even in the control room master unit, the message image from the management room master unit recorded in the recording unit of the living room master unit is erased. be able to.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of an intercom system for housing complex according to the present invention.

FIG. 2 is a block diagram showing a common part in the intercom apparatus for housing complex according to the present invention.

FIG. 3 is a block diagram showing an in-room master unit in the intercom apparatus for housing complex according to the present invention.

FIG. 4 is a block diagram showing a video memory of a recording unit provided in the master unit of the living room in the intercom system for housing complex according to the present invention.

FIG. 5 is a block diagram showing another embodiment of the intercom apparatus for housing complex according to the present invention.

6 is a block diagram showing a common unit used in the housing complex intercom of FIG.

7 is a block diagram showing an in-room master unit used in the housing intercom of FIG.

8 is a block diagram showing a video memory of a recording unit provided in a room master unit used in the housing intercom of FIG.

FIG. 9 is a block diagram of a conventional housing intercom device.

FIG. 10 is a block diagram showing a common part of a conventional housing intercom device.

FIG. 11 is a block diagram showing an in-room master unit of a conventional housing intercom device.

FIG. 12 is a block diagram showing a video memory of a recording unit provided in a master unit of a living room of a conventional housing intercom apparatus.

[Explanation of symbols] 1 ・ ・ ・ ・ ・ ・ Room unit 2, 102 ・ ・ Recording unit 3 ・ ・ Video monitor 8, 108 ・ ・ Video transmitter 9,109 ・... Main room of control room 10a, ..., 11a, ... Main room of office 23,123 ... ・ Video memory 27 ・ ・ ・ ・ ・ ・ Video level detection circuit 81 ・ ・・ ・ ・ ・ Camera 193 ・ ・ ・ ・ ・ ・ Operation unit CPU102, CPU112 ・ ・ ・ ・ ・ ・ Memory control devices Ad _{1 to} Ad _n , Ad _{11 to} Ad _1n・ ・ ・ ・ Memory area f ₁ ... ... message the video signal f _2, f ₃ ······ image erasing signal

Claims (2)

[Claims] 1. A room of a master unit (10a, ...) Having a recording unit (2) and a master unit (9) of a control room equipped with a video transmitter (8) to which a message video signal (f ₁ ) is sent. Device (1), the video transmitter is connected to the video monitor (3) through the recording unit of the living room master, and the message video from the management room master is the video of the living room master. A housing complex intercom device for monitoring with a monitor, wherein the video transmitter has a camera (81) for transmitting a video erasing signal (f ₂ ) in which a video level of the message video signal is a predetermined value or less, The recording unit of the room master unit circulates the message video signal to a memory area (Ad _{1 to} Ad _n ) and a video level detection circuit (27) that detects the video level of the message video signal from the video transmitter. Video memos to be recorded sequentially (23), and the video memory, a memory control device (CPU102) for erasing the message video signal recorded in the newest memory area when the video erasing signal detected by the video level detecting circuit is received, An intercom system for housing complex, which comprises: 2. A room of a master unit (11a, ...) Having a recording unit (102) and a master unit (109) of a control room equipped with a video transmitter (108) to which a message video signal (f ₁ ) is transmitted. Device (1), the video transmitter is connected to the video monitor (3) through the recording unit of the living room master, and the message video from the management room master is the video of the living room master. An intercom system for housing in a housing monitored by a monitor, wherein the master unit in the control room has an operation unit (193) for transmitting a video erasing signal (f ₃ ) for erasing the message video signal, The recording unit includes a video memory (123) that circulates the message video signal in a memory area (Ad _{11 to} Ad _1n ) and sequentially records the message, and a video memory that is newest when the video erasing signal is received from the control room master unit. Messages recorded in the memory area Housing intercom apparatus, comprising a memory controller (CPU 112) for erasing the over-di video signal.