JPH03162091A - Picture voice transmitter for multiple dwelling house - Google Patents

Abstract

PURPOSE:To avoid a figure of a visitor visiting to a specific house from being observed from an independent house by providing a selection signal output section to a common gate door and providing a control signal decode unit in a house. CONSTITUTION:When a visitor operates a ten-key 31 provided to a common gate door 10 to select a specific house 131 among plural houses 131, 132,..., the signal enters a control signal decode unit 951 corresponding to the relevent house 131. Then the control signal decode unit 951 outputs a power ON signal to an exclusive monitor 491 based on the selection signal. Thus, the exclusive monitor 491 receives and displays a picture signal from the door camera 3 and no selection signal is inputted to the control signal decode unit of the other houses 132, 133,... and no power ON signal is outputted to the exclusive monitors. Thus, the exclusive monitor of the other houses 132, 133,... is not operated and the picture signal from the door camera 3 is not displayed and the face of the visitor is not observed.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an improvement of an image/audio transmission device for an apartment complex. ``Conventional technology'' A conventional image/audio transmission device for an apartment complex was configured as shown in Figure 5. That is, a door camera 3 and a door phone 5 are installed at the common entrance 1, and image signals from the door camera 3 are sent to multiple houses 131, 132, .・,1
3n dedicated monitor 15,. 152. ..., 15o, and the doorphone 5 is connected to the control unit W using the dedicated pair line 17.
19 to multiple residences in apartment complex 11 132
,..., l3n's intercom 21-21..., 2
1n, door phone 5 and intercom 2l, 21,...
... was transmitting and receiving audio signals to and from 21o. [Problem to be solved by the invention]? However, in the conventional image/audio transmission device for an apartment complex as shown in FIG.
2,..., 13n dedicated monitor 15■,...
, 15n are connected by a dedicated cable 7, and the doorphone 5 and the intercom 2 of the residence 132, . . . , 13n are connected.
11, 21■, ..., 2ln is the dedicated pair wire 17
Therefore, in the apartment complex 11, in addition to the communal viewing cable for the television receiver (hereinafter simply referred to as the communal viewing cable) and the telephone line for the telephone, there is also a dedicated cable 7 and a dedicated pair i. ! There was a problem in that it was necessary to provide l7. Moreover, if an attempt is made to transmit the image signal from the door camera 3 to the television receiver via the co-viewing cable in order to omit the dedicated cable 7, the door camera 3 will be transmitted to all the television receivers in the apartment complex 11. This caused problems such as customers visiting a particular house being seen on television receivers in unrelated houses. The present invention was made in view of the above-mentioned problems, and there is no need to provide a special dedicated cable or dedicated pair wire, and the present invention eliminates the need to provide a special dedicated cable or dedicated pair wire, and also eliminates the need for customers visiting a particular home to be seen at unrelated homes. The purpose is to provide an image/audio transmission device for apartment complexes.

[Means for Solving the Problems] A first aspect of the present invention is to mix an image copying signal from a door camera installed at a common entrance with a TV signal from an antenna in a mixer, and to generate a mixed signal from the mixer. is transmitted to each of the dedicated monitors installed in the plurality of houses, and the audio signal is transmitted and received via an audio transmission line between the doorphone installed at the common entrance and the intercom installed in the plurality of houses. In the image/audio transmission device for an apartment complex, a selection signal output unit is provided at the common entrance for outputting a selection signal for selecting a specific house from among the plurality of houses to the voice transmission line, The present invention is characterized in that a control signal decoding unit is provided in a plurality of houses for decoding the selection signal output to the audio transmission line and outputting a power-on signal to a dedicated monitor in the corresponding house. ．． The second aspect of the present invention is to mix an image signal from a door camera installed at a common entrance with a TV signal from an antenna in a mixer, and send the mixed signal from the mixer to a TV set installed in a plurality of houses. Images and audio of an apartment complex are transmitted to each of the John receivers, and audio signals are sent and received via audio transmission lines between the doorphone installed at the common entrance and the intercoms installed in the plurality of residences. In the transmission device, a selection signal output unit is provided at the common entrance for outputting a selection signal for selecting a specific house from the plurality of houses to the audio transmission line, a control signal decoding unit that decodes a selection signal outputted to a transmission line and outputs a power-on signal to a television receiver in a corresponding house; and a control signal decoding unit that decodes a selection signal outputted to a transmission line and outputs a power-on signal to a television receiver in a corresponding house, and a corresponding house based on the selection signal outputted to the audio transmission line. The system is characterized by being equipped with a channel selection signal generation unit that outputs a channel selection signal for door camera reception to the television receiver inside the vehicle. A third aspect of the present invention is to mix an image signal from a door camera installed at a common entrance with a TV signal from an antenna in a mixer, and use the mixed signal from the mixer to transmit an image signal from a door camera installed in a plurality of houses. Image/audio transmission for an apartment complex in which audio signals are transmitted to each of the display units and transmitted and received via an audio transmission line between a doorphone installed at the common entrance and intercoms installed in the plurality of residences. In the device, a scrambler for encrypting an image signal is inserted into the output side of the door camera, and a selection signal for selecting a specific house from among the plurality of houses is sent to the audio transmission line at the common entrance. A descrambler for decoding the encrypted image signal to be transmitted to the corresponding house using the selection signal outputted to the audio transmission line, which is provided with a selection signal output unit for outputting, and is disposed before the image display unit in the plurality of houses. It is characterized by the fact that it is made by inserting a unit. [Operation] When a visitor is imaged by a door camera at the common entrance, the image signal is transmitted to multiple residences via a mixer and image/audio transmission equipment line. Therefore, in the first invention, the image signal encrypted by the scrambler is transmitted to the dedicated monitor, in the second invention to the television receiver, and in the third invention, the image signal is transmitted to the dedicated monitor and the image display section including the television receiver, respectively. It will be done. On the other hand, when a visitor selects a specific house from among multiple houses by operating a selection signal output unit installed at the common entrance, a specific selection signal is output from the selection signal output unit to the audio transmission line. For this reason. In the first invention, the control signal decoding unit decodes the selection signal output to the audio transmission line, outputs a power-on signal to the corresponding dedicated monitor in the house, operates the dedicated monitor, and outputs the image signal from the door camera. will be displayed. Since the power-on signal is not input to the unsupported dedicated monitor, the image signal from the door camera will not be displayed. Further, in the second invention, the control signal decoding unit decodes the selection signal output to the audio transmission line and outputs a power-on signal to the corresponding television receiver in the house, and the tuning signal generation unit transmits the audio. TV receiver head in the home that responds based on the selected signal output to the line? Since the channel selection signal for camera reception is output, the television receiver is operated to display the image signal from the door camera. Incompatible television receivers do not receive the power-on signal or the channel selection signal for receiving the door camera, so they do not display the image signal from the door camera. Further, in the third invention, since the descrambling unit decodes the encrypted image signal transmitted to the corresponding house using the selection signal output to the audio transmission line, the corresponding image display section is photographed and scanned by the door camera. The image display unit displays the encrypted image signal because the unsupported descrambling unit in the house does not decode the encrypted image signal transmitted by the selection signal output to the audio transmission line. However, it is difficult to see the faces of visitors. [Embodiment] Fig. 1 shows an embodiment of the first aspect of the present invention, and in this figure, the same parts as in Fig. 5 are given the same reference numerals. In FIG. 1, numerals 10 and 12 are a common entrance and a management room provided in common to the plurality of buildings 141, 14, . . . in the apartment complex 11, respectively. Said plural? 14,, 14■
, one of the buildings 14, and a plurality of houses 13 within it.
■． 132. 13, . . . and other buildings 14■, . . . similarly have multiple houses. The common entrance 10 includes a door camera 3, a door phone 5, and a numeric keypad 31 as a selection signal output section.
is provided. When a specific house is selected from among the plurality of houses 131, 13, 13, . It is configured to output a selection signal. The output side of the door camera 3 includes a high frequency signal modulator (hereinafter simply referred to as an RF modulator) 35 that modulates the image signal into a high frequency signal in the UHF band.
is coupled to one input side of a UHF signal mixer (hereinafter simply referred to as a UHF mixer) 37 through the
A UHF antenna 39 is coupled to the other input side of the mixer 37. The output side of the UHF mixer 37 is connected to a joint viewing cable (hereinafter simply referred to as a joint viewing cable) 4.
1,, 41,..., connection terminals 431, 43■,
... (43■, ... are omitted from illustration, the same applies hereafter) and 45?45■, ...and 4? Dedicated monitors 4 provided in the plurality of houses 131, 132, . . .
9,492,... and a television receiver (T on the drawing)
) 511, 512, ... and a television receiver 53 provided in the control room 12. The door phone 5 and numeric keypad 31 are connected to a private branch exchange 61 via an interface circuit 55, a controller 57, and a telephone line 59 as an audio signal transmission line (hereinafter simply referred to as an audio transmission line).
The controller 57 is configured to control an automatic door 58. The private branch exchange 61 is connected to an external telephone line connection terminal 64 via a telephone line 62 as a voice transmission line. The private branch exchange 61 has a telephone line 63 as a voice transmission line. 65, and is connected to a doorbell answering panel 7l and a security answering panel 73 provided in the management room l2 via connection terminals 67 and 69, and is also connected to a personal computer 77 via a telephone line 75. There is. The private branch exchange 6l further connects to a connection terminal 81 via telephone lines 791, 79■, . . . as voice transmission lines.
■, 8l2, . . , the plurality of houses 13■, 1
3. Is it installed inside? PBX83■,83■,・
...is combined with... In the said P B X831. P
B (push button) telephone 85. , telecontroller 87 security equipment 891, transmission unit 911,
Intercom 931 and control signal decoding unit 95
．． are combined. A panel 971 and a wireless electronic lock 99■ are coupled to the transmission unit 911. The control signal decoding unit 951 is configured to output a power-on signal to the dedicated monitor 491 based on a selection signal for selecting only the house 131 transmitted from the numeric keypad 31 and input via the transmission line 80. It has been done. Said P provided in said house 13■,...
As for BX83■, . . ., PB telephones 85■, . . . , telecontroller 87, . . . security equipment 89■, .
, transmission unit 912, ... intercom 93■, ...
・and control signal decoding units 95, . . . are coupled, and the transmitting units 91■, .
7■, . . . and electronic locks 99■, . . . are combined (not shown). Next, the operation of the above embodiment will be explained. ? When a customer enters the common entrance 10 and is imaged by the door camera 3, the image signal is modulated into a high frequency signal in the UHF band by the RF modulator 35, and then combined with the TV signal from the UHF antenna 39 by the UHF mixer 37. Mix. The mixed signal output from the UHF mixer 37 passes through the coview cable 411 and is connected to the connection terminal 431.
, 43 ■, ... and 451, 452, ... and 47
Dedicated monitors 49■, 49■, . . . installed in the plurality of houses 131, 13■, .
The information is input to a television receiver 53 provided inside.

Here, visitors can use the numeric keypad 3 provided at the common entrance lO.
1 (for example, rQ on the numeric keypad 31)
” by pressing rIJ), multiple houses 131,
When a specific house (for example, 131) is selected from among 13■, . P B X of the corresponding house 131 via the line 791 and the connection terminal 811
83, a corresponding control signal decoding unit 95
■Enter. Then, control signal decoding? unit 95
1 outputs a power-on signal to the dedicated monitor 491 based on the selection signal. Therefore, the dedicated monitor 491 receives and displays the image signal from the door camera 3, but the selection signal is not input to the control signal decoding units of the unsupported houses 13■, 133... Since the on signal is not output, the dedicated monitors of the unsupported houses 132, 13, . In addition, television receiver 511, 5l! ．． When ... receives a specific signal among the TV signals from UHF antenna 39,
A specific TV image is displayed. In addition, a door phone 5 and an intercom 93. , 932, . . . between which audio signals are transmitted and received. FIG. 2 shows the main parts of an embodiment of the second invention of the present invention, and as a whole, the houses 13, . 13■,...
・This can be done by replacing part of the inside with the one shown in Figure 2. That is, for the house 131, the television receiver 51. The dedicated monitor 491 in FIG. Instead of the signal decoding unit 95, the signal is transmitted from the common entrance IO by the visitor operating the numeric keypad 31, and is transmitted through the transmission line 8.
control signal decoding unit 195 that decodes the selection signal inputted through 0 and outputs a power-on remote control signal to the television receiver 511 in the corresponding house 131;
1, and a channel selection signal generation unit 1 that outputs a channel selection remote control signal for receiving the television receiver 51 and head door camera 3 in the corresponding house 131 based on the aforementioned selection signal.
11■. Other housing 13■
, 133, . . . are also constructed by replacing them in the same way as house 13. The image signals regarding visitors etc. captured by the door camera 3 in the common entrance 10 are sent to the co-viewing cable 41 as in the case of FIG.
1, and the television receivers 511, 51■, . . . in the house 13, . input to the John receiver 53. Here, when the visitor selects a specific house (for example, 131) by operating the numeric keypad 3l of the common entrance 10, this selection signal? Control signal decoding unit 1951. 195■,...
Enter. Then, the corresponding control signal decoding unit 1951 decodes this selection signal and outputs a power-on remote control signal to the television receiver 511, and the corresponding channel selection signal generation unit 111L decodes the selection signal and outputs the power-on remote control signal to the television receiver 511. The channel selection remote control signal for camera 3 reception is output to the television receiver 51■. Therefore, the television receiver 511 receives and displays the image signal from the door camera 3, but the control signal decoding units 1952, 1953, . 111,. 111. ,...
The corresponding selection signal is not input to the television receiver 51. ．． Since the power-on remote control signal and the channel selection remote control signal for receiving the door camera 3 are not output to the television receivers 51.51, . , 5l. ．． ... does not operate and does not display the image signal from the door camera 3, making it impossible to see the visitor's face. 3 and 4 show essential parts of an embodiment of the third aspect of the present invention, and the overall structure is similar to that shown in FIG. 1. It is constructed by replacing a part of the entrance 10 and a part of the house 13, 132, 13, . . . with those shown in FIGS. 3 and 4. That is, inside the common entrance 10, the RF modulator 35 in FIG. 1 is replaced with an RF modulator 135 equipped with a scrambler 101 that encrypts the image signal, as shown in FIG. , as shown in FIG. 4, the corresponding television receiver 5l0 is replaced in the same manner as in FIG. 2 showing the embodiment of the second invention.
A descrambling unit 1051 for decoding the encrypted image signal transmitted is inserted in the front stage. This descrambler unit 105■ includes a descrambler 1071 for decoding an encrypted image signal, and a descrambler 107 for decoding an encrypted image signal.
1 is inserted into the front stage of the television receiver 51, depending on the presence or absence of a selection signal input via the transmission line 80. Regarding other houses 13■, 13,...
It is constructed by replacing it in the same way as House 131. And image signals related to visitors etc. captured by the door camera 3 in the common entrance 10? , scrambler 10
1 and is then encrypted and modulated by an RF modulator 135 with RF modulator 41 . through the connecting terminals 45, 45, . . . into the houses 131, 13, . 105■, . . . television receiver st1. Input in 5L,... Here, the visitor enters the numeric keypad 31 of the common entrance 10.
When a specific house (for example, 13) is selected by operating , this selection signal is input to the corresponding control signal decoding unit 195, channel selection signal generation unit 1111, and descrambling unit 1051. Therefore, the control signal decoding unit 195■ and the channel selection signal generation unit 111■ output a power-on remote control signal and a channel selection remote control signal to the television receiver 5l1 in the same way as in the case of FIG. Scramble unit 105
1, the changeover switch 109L is changed to insert the descrambler 1071 into the front stage of the television receiver 51■, and decode the encrypted image signal. Therefore, the television receiver 51 treats the image signal from the door camera 3 as a normal image. 13 ■, 13
, . . . control signal decoding units 195, . 19
5,..., tuning signal generation unit 1l13, 111
、． ...and descrambling unit 105■,1
05, . The corresponding selection signal is not input to ....
For this reason, the television receivers 512, 513,...
The power-on remote control signal and the channel selection remote control signal for receiving door camera 3 are not output. In addition, the descrambling units 105■, 105, . . . have changeover switches 1098, 1093, . . . , the descramblers 1078, 107■, . . . are not switched to the television receiver 51. , 5l3, ... is not inserted before. Therefore, the houses 13, 13,...
Even if you independently turn on the power and tune in to receive the door camera 3, the descrambler 107■. 107,
, . . are the television receivers 518, 51, .
Since it is not inserted in the front stage of the television receiver 5.
1, 5l, . . . display an encrypted image signal obtained by encrypting the image signal from the door camera 3, and the face of the visitor cannot be seen. In the embodiment of the third aspect of the invention, the image display section was constructed with a television receiver, and the descrambling unit was constructed mainly with a descrambler and a changeover switch, but the present invention is not limited to this. It is sufficient that the selection signal output to the transmission line decodes the encrypted image signal transmitted to the corresponding house. [Effect of the invention] Images of apartment complexes according to the first, second, and third aspects of the present invention
As described above, the audio transmission device is provided with a selection signal output section at the common entrance, and furthermore, in the first invention, a control signal decoding unit is provided in the house so that only the dedicated monitor in the house selected by the selection signal can be output. A power-on signal is output and the image signal from the door camera is displayed, and a power-on signal is not output and the image signal from the door camera is not displayed on an incompatible dedicated monitor. In the second invention, a control signal decoding unit and a tuning signal generation unit are provided in the house,
A power-on signal and a tuning signal for door camera reception are output only to the television receiver in the house selected by the selection signal, and the image signal from the door camera is displayed, and the television receiver that is not compatible is outputted. The image signal from the door camera is not displayed without outputting the power on signal and the channel selection signal for door camera reception. Further, in the third invention, a scrambler is provided at the common entrance, a descrambling unit is provided in the house, and the image signal encrypted by the scrambler is transmitted to the image display unit, and the image signal in the house selected by the selection signal is transmitted. The scramble unit decodes the encrypted image signal and displays the image scanning signal captured by the door camera only on the corresponding image display unit in the house, and the image display unit in the unsupported house displays the encrypted image signal. Displayed to make it difficult to see the visitor's face. Therefore, it is possible to use the existing co-viewing cable for the television receiver, there is no need to install a separate dedicated cable or dedicated pair wire, and the appearance of guests visiting a particular home can be used in unrelated homes. It is never seen.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing an embodiment of an image/audio transmission device for an apartment complex according to the first aspect of the present invention. FIG. 2 is a block diagram showing essential parts of an embodiment of an image/audio transmission device for an apartment complex according to the second invention of the present invention, and FIGS. This shows the main parts of an embodiment of the audio transmission device.
A block diagram showing the F modulator part, FIG. 4 is a block diagram of a front-stage insertion part of a television receiver in a house and a control signal output part to the television receiver, and FIG. 5 is a block diagram showing a conventional example. It is. 3...Door camera, 5...Doorphone, 10...Common entrance, 11...Apartment house, 13■...Residence, 31...Numeric keypad (selection signal output part), 37...・・・
Mixer, 39...Antenna, 41■, 41t...Common viewing cable, 49■, 491...Dedicated monitor, 5l■,
511... Television receiver (imitation display section), 59,
79■, 79■...telephone line (voice transmission line), 93-9
3■...intercom, 951, 95■1951, 19
51... Control signal decoding unit, 101... Scrambler, 105■, 105■... Descrambling unit, 1111. 1LL...Tuning signal generation unit. Figure 2 Figure 3 Figure 4

Claims (4)

[Claims] (1) The image signal from the door camera installed at the common entrance is mixed with the TV signal from the antenna in a mixer, and the mixed signal from the mixer is transmitted to each of the dedicated monitors installed in multiple houses. In the image/audio transmission device for an apartment complex that transmits and receives audio signals between a doorphone installed at the common entrance and intercoms installed in the plurality of residences via an audio transmission line, the common entrance a selection signal output unit that outputs a selection signal for selecting a specific house from the plurality of houses to the audio transmission line; An image/audio transmission device for an apartment complex, comprising a control signal decoding unit that decodes a signal and outputs a power-on signal to a dedicated monitor in a corresponding dwelling. (2) The image signal from the door camera installed at the common entrance is mixed with the TV signal from the antenna in a mixer, and the mixed signal from the mixer is sent to each of the television receivers installed in multiple houses. In the image/audio transmission device for an apartment complex, the image/audio transmission device for an apartment complex transmits and receives audio signals via an audio transmission line between a doorphone installed at the common entrance and intercoms installed in the plurality of residences. A selection signal output unit is provided at the common entrance for outputting a selection signal for selecting a specific house from the plurality of houses to the audio transmission line, and the selection signal is outputted to the audio transmission line within the plurality of houses. a control signal decoding unit that decodes the selected selection signal and outputs a power-on signal to the television receiver in the corresponding house; and a television receiver in the corresponding house based on the selection signal output to the audio transmission line. An image of an apartment complex, characterized in that it is equipped with a tuning signal generation unit that outputs a tuning signal for door camera reception to the machine.
Audio transmission equipment. (3) The image signal from the door camera installed at the common entrance is mixed with the TV signal from the antenna in a mixer, and the mixed signal from the mixer is sent to each of the image display units installed in multiple houses. In the image/audio transmission device for an apartment complex, the image/audio transmission device for an apartment complex transmits and receives audio signals via an audio transmission line between a door phone installed at the common entrance and intercoms installed in the plurality of residences. A scrambler for encrypting an image signal is inserted into the output side of the camera, and a selection signal is output to the common entrance to output a selection signal for selecting a specific house from among the plurality of houses to the audio transmission line. a descrambling unit for decoding an encrypted image signal transmitted to a corresponding house using a selection signal outputted to the audio transmission line, and inserting a descrambling unit in front of the image display unit in the plurality of houses, using a selection signal outputted to the audio transmission line. An image/audio transmission device for an apartment complex that is characterized by: (4) The image display section serves as a television receiver, and the descrambling unit includes a descrambler that decodes the encrypted image signal and a voice that indicates whether or not this descrambler is to be inserted in the front stage of the television receiver. 4. The image/audio transmission device for an apartment complex according to claim 3, which mainly comprises a changeover switch that is switched by a selection signal output to a transmission line.