JP3574229B2 - Video intercom - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a video communication device, and in particular, deletes a television monitor provided in an indoor master device and a main device, and allows a television monitor provided in a normal personal computer to display a visitor image generated by a television intercom slave device on a television monitor. The present invention relates to a video communication device that can be monitored.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a video communication device shown in FIG. 2 has been proposed.
The video communication apparatus shown in FIG. 2 includes an indoor base unit MQ ₁₁ in which a handset 65 and a calling speed 66 are mounted, a main apparatus AD ₁₁ in which a TV monitor 51 is mounted, and a TV door phone handset SQ _11. base unit _{MQ 11} and the main device _{AD 11} and the main device _{AD 11} and the television-equipped intercom slave _{SQ 11} are connected to each other via respective lines _{L 11, L 12.}
[0003]
The main device AD ₁₁ includes an I / F circuit 52, a video demodulation circuit 53, an audio demodulation circuit 54, an audio output circuit 55, a call detection circuit 56, a multiplexing / separation circuit 57, and the parent device side of the I / F circuit 52 and it is connected to the indoor base unit _{MQ 11} via a line _{L 11.}
Audio side of the I / F circuit 52 via an audio output circuit 55 multiplexed, is connected to the audio side of the separation circuit 57, multiplex, television-equipped intercom slave SQ ₁₁ voice side through the wiring L ₁₂ of isolation circuit 57 Is connected to
[0004]
The video side of the multiplexing / separating circuit 57 is connected to the television monitor 51 via a video demodulating circuit 53, and the audio demodulating side of the multiplexing / separating circuit 57 is connected to an I / F circuit via an audio demodulating circuit 54.
The call detecting side of the multiplexing / separating circuit 57 is connected to the call detecting circuit 56, one of which is connected to the television monitor 51 and the other is connected to the I / F circuit.
[0005]
The TV door phone handset SQ ₁₁ has a built-in TV camera 61 and a call button 62, a speaker 63 and a microphone 64 mounted thereon.
If such a television telephone device with a television-equipped intercom slave SQ ₁₁ of FIG. 2 visitor presses the call button 62, ringer wiring L _12, provided multiplexing, the main unit AD ₁₁ via the isolation circuit 57 The received call is sent to the call detection circuit 56, and the call detection circuit 56 operates.
[0006]
If the call detection circuit 56 is operated, I / F circuit 52 sends a call detection signal to the indoor base unit _{MQ 11} via a line _{L 11.}
If the call detection signal to the indoor base unit _{MQ 11} is input to ringing calls for speed force 66 of the indoor base unit _{MQ 11} is, indoor base unit _{MQ 11} confirmation signal to the speaker 63 of the television-equipped intercom slave _{SQ 11} (pin, multiple from call detection circuit 56 sends back the Pont) separating circuit 57, to operate the television monitor 51 with through wiring L ₁₂ applying power to the TV camera 61 of the television-equipped intercom slave SQ _11.
[0007]
When the handset 65 is off-hook by the indoor master unit MQ ₁₁ , a response signal is transmitted to the other side of the call detection circuit 56 via the I / F circuit 52.
When the response signal is sent to the other of the call detection circuits 56 via the I / F circuit 52, the call detection circuit 56 activates each circuit.
Sound demodulation circuit 54 calls provided in the main device _{AD 11} of the indoor base unit _{MQ 11} and the television-equipped intercom slave _{SQ 11,} takes place via the audio output circuit 55.
[0008]
When the handset 65 is turned on by the indoor master unit MQ ₁₁ , an end signal is transmitted to the other side of the call detection circuit 56 via the I / F circuit 52.
When clearing signal is sent to the other call detection circuit 56, to return from call detection circuit 56 to the state of waiting is interrupted power to the power supply and the television monitor 51 to a TV intercom slave SQ _11.
[0009]
[Problems to be solved by the invention]
Because conventional television communication device is configured as described above, for example, when operating a personal-computer, TV the visitor presses the call button 62 in the intercom slave SQ _11, interrupts the operation indoor base unit MQ went _to where ₁₁ is installed, the need to respond with the handset 65 of the indoor base unit MQ _11.
[0010]
In addition, the television monitor 51 mounted on the main device AD ₁₁ suspended on a wall or the like is monitored, and depending on the situation, the operation of the personal computer is terminated, the file being executed is closed, and then the handset 65 is reconnected. it is necessary to call the visitor of television-equipped intercom slave SQ _11.
The present invention has been made in order to solve such difficulties, and eliminates a television monitor provided in an indoor master unit and a main unit, and uses a television intercom slave unit with a television monitor provided in a normal personal computer. It is an object of the present invention to provide a video communication device capable of monitoring the generated image of a visitor.
[0011]
[Means for Solving the Problems]
In order to achieve such an object, a video communication apparatus according to the present invention includes a television monitor, a terminal microphone input terminal, and a terminal speaker output via a main device to a television intercom slave having a television camera, a slave speaker, and a slave microphone. A call detection circuit for connecting a personal computer having a video capture function with multimedia, having a terminal, a response signal input terminal, and a video terminal, and detecting a call signal from a television intercom slave unit and outputting a detection signal; An audio demodulation circuit that demodulates an audio modulation signal from the TV intercom slave unit and outputs an upstream audio signal, an audio output circuit that outputs a downstream audio signal to the TV intercom slave unit, and a video modulation signal from the TV intercom slave unit Video demodulation circuit that demodulates and outputs a video signal, and to the TV intercom slave unit when the call detection circuit operates A ringing sound circuit for generating a ringing confirmation sound, a signal input / output board for receiving a detection signal via the I / F circuit when the call detection circuit operates, and capturing a response signal input to a response signal input terminal; A sound board that activates a terminal microphone and a terminal speaker according to a response signal input to the signal input / output board while causing a terminal speaker to sound according to a detection signal input to the signal input / output board, and a video signal from a video demodulation circuit. And a video capture board that displays the video signal on the virtual TV door phone display window of the TV monitor, and connects the ring tone circuit to the audio output circuit when the detection signal is detected by the call detection circuit, and sends a call confirmation sound to the TV door phone handset. When the response signal input to the response signal input terminal is transmitted, the ringing circuit is disconnected from the voice output circuit, and the voice output circuit is turned off. And and a speech path switching circuit for performing a call between the television-equipped intercom slave and a personal computer by connecting the sound demodulation circuit to the sound board.
[0012]
In this video communication device, a call signal from the video intercom slave unit is detected by a call detection circuit, a detection signal is output, and power is supplied to the video intercom slave unit.
When the call detection circuit operates, a ringing confirmation circuit generates a ringing confirmation sound to the TV intercom slave unit.
When the call detection circuit operates, a detection signal is output to a signal input / output board built in the personal computer via the I / F circuit, and the terminal speaker sounds.
[0013]
The video signal demodulated by the video demodulation circuit is displayed on the virtual TV doorphone display window of the TV monitor by the video capture board.
The operation corresponding to the ringing of the terminal speaker activates the call path switching circuit, interrupts the ringing confirmation sound output from the ringing circuit, and connects the ringing circuit to the voice demodulation circuit and the sound board.
[0014]
The sound board operates by an operation corresponding to the sound of the terminal speaker, and the terminal speaker and the terminal microphone become active.
When the terminal speaker and the terminal microphone become active, a communication path is formed, and a voice modulation signal from the TV intercom slave unit is demodulated by a voice demodulation circuit and output as an upstream voice signal.
[0015]
The downstream audio signal to the TV intercom slave unit is output from the audio output circuit, and the video modulation signal from the TV intercom slave unit is demodulated by the video demodulation circuit.
[0016]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of the video communication device of the present invention will be described in detail with reference to the drawings.
As shown in FIG. 1, the video communication device according to the present invention is connected via a main device AD ₁ to a video door phone child device SQ ₁ on which a television camera 21, a child device speaker 23, a child device microphone 24 and a call button 27 are mounted. TV monitor 12, the terminal microphone input terminal J _1, terminal speaker output terminal J _2, the response signal input terminal J _3, in multimedia with video terminal T _V with connecting a personal computer PQ ₁ having a video capture function , output a calling detection circuit 5 for outputting a detection signal f _D detects a call signal f ₄ from the television-equipped intercom slave SQ _1, the uplink speech signal f ₂ demodulates the audio modulated signal from the television-equipped intercom slave SQ ₁ a sound demodulation circuit 3, a sound output circuit 4 for outputting a downlink voice signal f ₃ to the television-equipped intercom slave SQ _1, television doorphone entrance station A video demodulation circuit 2 for outputting a video signal f ₁ demodulates the video modulated signals from Q _1, ringer circuit for generating a call confirmation tone f ₅ to a TV intercom slave SQ ₁ when the call detecting circuit 5 is operated 6, capture and the detection signal f _D via the I / F circuit 1 when the call detection circuit 6 is operated, a signal input and output board 15 for taking a response signal to be input to the response signal input terminal J _3, the signal sound detecting signal _{f D} by the terminal loudspeaker 18a which is input to the input-output board 15, causes ringing and 18b, the terminal microphone 17 the response signal input to the signal input-output board 15, the terminal loudspeaker 18a, an active and 18b a board 14, a video capture board 11 to project an image signal f ₁ from the video demodulation circuit 2 in the virtual TV door display window 13 of the TV monitor 12, call With detection signals f _D at detection circuit 5 sends out a call confirmation sound f ₅ by connecting the ringing tone circuit 6 to the audio output circuit 4 when detected in the television-equipped intercom slave SQ _1, the response signal input terminal J ₃ the ringer circuit 6 when the response signal to be inputted is sent disconnect from the audio output circuit 4, and the television doorphone entrance station SQ ₁ and personal by connecting the audio output circuit 4 and the audio demodulating circuit 3 to the sound board 14 and a speech path switching circuit 7 which performs a call between the computer PQ _1.
[0017]
Personal computer PQ ₁ television communication apparatus provided with the TV monitor 12 shown in FIG. 1, has a main device AD ₁ and the television-equipped intercom slave SQ _1, the personal computer PQ ₁ video capture board 11, a sound The board 14 and the signal input / output board 15 are built in.
Video output terminal _{T 1} of the main device AD ₁ is connected to a video terminal _{T V} of the personal computer PQ ₁ through the line _{L 1,} a video terminal _{T V} is connected to the video capture board 11.
[0018]
An audio terminal T ₂ are sound board 14 through the wiring L _2, the signal input-output terminal T ₃ is connected to the signal input-output board 15 via the wiring L _3.
Video capture board 11 in the circuit of the personal computer PQ ₁ is a television monitor 12, the sound board 14 are respectively connected to the microphone jack J ₁ and the speaker jack J _2.
[0019]
Signal output board 15 is connected to the response signal input jack J _3, the response signal input jack J _3, microphone jacks J _1, the response signal input plug P ₃ corresponding to the speaker jack J _2, plug microphone P ₁ , the speaker plug _{P 2} codes 16a, 17a, 18c are connected respectively.
The code 16a is connected to a response / end mouse 16, the code 18c is connected to terminal speakers 18a and 18b, and the code 17a is connected to a terminal microphone 17.
[0020]
The main device AD ₁ includes an I / F circuit 1, a video demodulation circuit 2, an audio demodulation circuit 3, an audio output circuit 4, a call detection circuit 5 having a function of supplying power + _Vcc to each circuit, a call sound circuit 6, call switch circuit 7, multiplexing, are provided separation circuit 8, I / F circuit 1 and the signal input and output terminals T _3, the call switch circuit 7 and the audio terminal T _2, the video demodulation circuit 2 and the video output terminal T ₁ Each is connected.
[0021]
The call switching side of the I / F circuit 1 is connected to the call switching circuit 7, and the call signal side is connected to the call detection circuit 5, respectively.
One of the call detection circuits 5 is connected to a call detection side of the multiplexing / demultiplexing circuit 8.
The ringing side of the call switching circuit 7 is connected to the ringing circuit 6, the downstream voice signal side of the voice switching circuit 7 is connected to the voice output circuit 4, and the upstream voice signal side is connected to the voice demodulation circuit 3. sound demodulation circuit 3 respectively multiplexed, is connected to the audio side of the separation circuit 8, multiplexing, demultiplexing circuit 8 is connected to the television-equipped intercom slave SQ ₁ through the wiring L _4.
[0022]
Multiple video side of the separation circuit 8 is connected to the video output terminal T ₁ via the video demodulation circuit 2.
When the user presses the call button 27 of the television-equipped intercom slave SQ ₁ shown in FIG. 1 in such a video call device, the call signal f ₄ is input to the calling detection circuit 5 of the main apparatus AD _1.
If the call signal f ₄ to the calling detection circuit 5 is input, call detection circuit 5 supplies the operating power supply to the television-equipped intercom slave SQ _1.
[0023]
Call confirmation tone f ₅ is a call switching circuit 7 generated by the ringing tone circuit 6 simultaneously, the audio output circuit 4, multiplexed, via the separating circuit 8 is returned to the television-equipped intercom slave SQ ₁ (e.g. pin, pop) The slave speaker 23 is caused to ring (at this time, the ringing circuit 6 and the voice output circuit 4 are connected).
When video modulated signals are transmitted from the television intercom slave SQ ₁ of the television camera 21 the video signal f ₁ is transmitted from the video demodulating circuit 2 into a video capture board 11. When the video signal f ₁ is transmitted, the personal computer PQ ₁ of the power switch of the personal computer PQ ₁ in the internal circuit is turned on (the power switch state OFF), a video capture board 11 to the television monitor 12 , The video signal f ₁ demodulated by the video demodulation circuit 2 is output as a virtual TV door phone display window 13.
[0024]
Further, since the call detection circuit 5 sends a detection signal f _D via the I / F circuit 1 to the signal input-output board 15, signal input and output board 15 generates a ringing tone, a personal computer internal circuit of PQ ₁ Then, the terminal speakers 18a and 18b are caused to ring (for example, ping, pong).
When the response / end call mouse 16 is operated while viewing the visitor's image displayed on the virtual TV doorphone display window 13 and a response signal is transmitted via the signal input / output board 15 and the I / F circuit 1, the signal I / F circuit 1 of the main device AD ₁ through the input-output board 15 controls the speech path switching circuit 7 operates.
[0025]
When the communication path switching circuit 7 is controlled, the audio demodulation circuit 3 and the audio output circuit 4 are connected to the sound board 14 via the communication path switching circuit 7, and the ringing circuit 6 and the audio output circuit 4 are turned off. Separated.
The downstream audio signal f ₃ to the TV intercom slave SQ ₁ input from the terminal microphone 17 is output from the slave speaker 23 of the TV intercom slave SQ ₁ via the audio output circuit 4.
[0026]
Uplink speech signal _{f 2} from the television-equipped intercom slave SQ ₁ is demodulated by the audio demodulator circuit 3, is input to the sound board 14, is sent from the terminal loudspeaker 18a, 18b.
When the call end operation in response / call termination for the mouse 16, clearing signal is sent to the calling detection circuit 5 via the I / F circuit 1 of the signal input and output boards 15 and the main device AD _1.
[0027]
When the call detecting circuit 5 is inputted to call termination signal, erases the television intercom slave SQ power cut off to _1, the personal-computer PQ ₁ virtual television doorphone monitor 13 which is the image output to the TV monitor 12 And returns to the standby state.
When the power of the personal-computer PQ ₁ is off in the above example, the power supply has been described a case in which a call may be the case on.
[0028]
【The invention's effect】
As is apparent from the above description, according to the video communication device of the present invention, a television monitor, a terminal microphone input terminal, a terminal A call detection circuit for connecting a multimedia-capable personal computer having a video capture function having a speaker output terminal, a response signal input terminal, and a video terminal, and detecting a call signal from a TV intercom slave unit and outputting a detection signal. , An audio demodulation circuit that demodulates an audio modulation signal from the TV intercom slave unit and outputs an upstream audio signal, an audio output circuit that outputs a downstream audio signal to the TV intercom slave unit, and a video modulation from the TV intercom slave unit. Video demodulation circuit that demodulates the signal and outputs the video signal, and to the TV intercom slave unit when the call detection circuit operates A ringing sound circuit for generating a ringing confirmation sound, a signal input / output board for receiving a detection signal via the I / F circuit when the call detection circuit operates, and capturing a response signal input to a response signal input terminal; A sound signal that activates a terminal microphone and a terminal speaker based on a response signal input to the signal input / output board while causing the terminal speaker to sound according to a detection signal input to the signal input / output board, and a video signal from a video demodulation circuit. Video display board that displays the video signal on the virtual TV door phone display window of the TV monitor, and when the detection signal is detected by the call detection circuit, connects the ring tone circuit to the audio output circuit and sends the call confirmation sound to the TV door phone handset. When the response signal input to the response signal input terminal is transmitted, the ringing circuit is disconnected from the voice output circuit, and the voice output circuit is turned off. And a communication path switching circuit for connecting the audio demodulation circuit to the sound board and making a call between the TV intercom slave unit and the personal computer. It is possible to monitor the image of the visitor generated by the TV intercom slave unit by deleting it and using a TV monitor provided in a normal personal computer.
[Brief description of the drawings]
FIG. 1 is a block diagram showing an embodiment of a video communication device according to the present invention.
FIG. 2 is a block diagram of a conventional video communication device.
[Explanation of symbols]
1 I / F circuit 2 Video demodulation circuit 3 Audio demodulation circuit 4 Audio output circuit 5 Call detection Circuit 6 Ringing circuit 7 Communication line switching circuit 11 Video capture board 12 TV monitor 13 Virtual TV doorphone display window 14 Sound board 15 Signal input / output board 17 Terminal microphones 18a and 18b Terminal speaker 21 ... TV camera 23 ... slave unit microphone 24 ... slave unit speaker PQ ₁ ... personal computer AD ₁ ... main unit SQ ₁ ...・ ・ ・ TV door phone slave unit J ₁・ ・ ・ Microphone jack (terminal microphone input terminal)
J ₂ · · · · · · speaker jack (terminal speaker output terminal)
J ₃ ······ response signal for the jack (response signal input terminal)
T _V · · · · · · video terminal _f 1 · · · · · · video signal _f 2 · · · · · · uplink speech signal _f 3 · · · · · · down audio signals _f 4 · · · · · · call signal _f 5 ······ call confirmation tone _f D ······ detection signal

Claims (1)

Television camera (21), the slave unit speaker (23), the television-equipped intercom slave having the slave unit microphone (24) (SQ ₁₎ to the main unit (AD ₁₎ via a television monitor (12), the terminal microphone input terminal ( J _1), terminal speaker output terminal _(J 2), the response signal input terminal _(J 3), connecting a personal computer (PQ ₁₎ having a video capture function in multimedia with video terminal _{(T V)} Along with
A call detection circuit (5) for detecting a call signal (f ₄ ) from the TV intercom slave unit and outputting a detection signal (f _D );
An audio demodulation circuit (3) for demodulating an audio modulation signal from the TV intercom slave unit and outputting an upstream audio signal (f ₂ );
An audio output circuit (4) for outputting a downstream audio signal (f ₃ ) to the TV intercom slave unit,
A video demodulation circuit (2) for demodulating a video modulation signal from the TV intercom slave unit and outputting a video signal (f ₁ );
Call confirmation tone to the television intercom slave when the call detecting circuit is activated and ringer circuit for generating a (f _{5) (6),}
A signal input / output board (15) for receiving the detection signal via an I / F circuit (1) when the call detection circuit operates and capturing a response signal input to the response signal input terminal;
The terminal speakers (18a, 18b) are sounded by the detection signal input to the signal input / output board, and the terminal microphone (17) and the terminal speaker are activated by the response signal input to the signal input / output board. Sound board (14)
A video capture board (11) for displaying the video signal from the video demodulation circuit on a virtual television doorphone display window (13) of the television monitor;
When the detection signal is detected by the call detection circuit, the call sound circuit is connected to the audio output circuit to send the call confirmation sound to the TV intercom slave unit, and is input to the response signal input terminal. When a response signal is transmitted, the ringing circuit is disconnected from the audio output circuit, and the audio output circuit and the audio demodulation circuit are connected to the sound board to allow communication between the television intercom slave and the personal computer. And a communication path switching circuit (7) for making a telephone call.

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