KR100922307B1 - Video phone system - Google Patents

Abstract

The present invention is directed to a technology that includes a plurality of video phone systems to enhance monitoring and control of suspicious behavior of visitors.

Looking at the configuration of the present invention, a plurality of first video phone system and the second video phone system; A first camera device unit connected to an electrical signal through a corresponding interface unit of a first monitor unit unit and a second monitor unit unit provided in each of the first video phone system and the second video phone system; A second camera device unit; A call detection module for detecting a call signal according to a call request from the first camera unit and the second camera unit; A controller for determining a call signal detected by the call detection module and outputting a control signal; A sound module and a video module for selecting audio signals and video signals respectively outputted from the first camera device unit and the second camera device unit by control signals output from the controller; Characterized in that it comprises a.

As described above, the present invention provides the first camera device unit and the second camera unit installed at at least one or more entrances and doors through the first and second monitor device units provided in the plurality of first and second video phone systems. Since the selection and control of the camera unit is possible, it is widely applied to home automation products based on the home network system, providing the effect of further strengthening the surveillance control on the suspicious behavior of the visitors.

Video Phone, Camera, Visitor, Call, Surveillance Control

Description

Visitor monitoring and control device using multiple video phone systems {VIDEO PHONE SYSTEM}

The present invention relates to a visitor monitoring and control device using a plurality of video phone system, in particular, the first camera device unit and the second camera device unit installed in at least one or more doorway through the first monitor unit and the second monitor device unit The present invention relates to a technology that enables monitoring and control of visitors.

In general, the videophone system is widely applied to home automation products as part of a home network system, and is widely used as a means of exchanging various information through calls and calls between visitors and homeowners (household owners). have.

However, in recent years, it is increasingly used as a surveillance control means to prevent crime in terms of security for visitors.

1 is a view showing a schematic overall configuration for controlling visitor monitoring using a conventional video phone system.

Technical configuration of the overall concept of the prior art is composed of a plurality of first video phone system 100 and the second video phone system 300.

The first video phone system 100 and the second video phone system 300 may include a first camera device unit 101 and a second camera device unit 301, and a first monitor device unit 201 and a second monitor. The device unit 401 is configured.

The plurality of first camera device unit 101 and the second camera device unit 301 may be a doorway-1 and a doorway-2 (for example, a front door and a rear door) located at different positions when two or more doorways are houses. Etc.), and in the case of a single house or apartment, the entrance is installed together.

In addition, the plurality of first camera device 101 and the second camera device 301, and the plurality of first monitor device 201 and the second monitor device 401 interlocked with the plurality of first camera device 101 and the second camera device 301 are indoors-1 and It is installed in the room-2, but is installed in each other room, and the second call line (B) and the third call line (C) are formed, including the first call line (A).

However, such a conventional technology uses the first camera device 101 installed at the doorway 1 through the first monitor device 201 installed in the room-1 and the doorway through the second monitor device 401. Surveillance control is possible between the second camera device unit 301 installed in the second, while the second camera device unit 301 installed in the doorway 2 and the second through the first monitor device 201 installed in the room-1 The first camera device 101 installed in the doorway-1 via the second monitor device 401 is a problem that can not be monitored.

Therefore, the situation is urgently required to improve according to the crime prevention activity that is increased due to the difficult monitoring and control of the suspicious behavior of visitors coming to a plurality of entrances as described above.

The present invention for solving the above-described problems, the first monitor device and the second monitor device provided in the plurality of first video phone system and the second video phone system, at least one or more doorway It is an object of the present invention to further enhance surveillance control on suspicious behaviors of visitors by controlling the installed first camera unit and the second camera unit to be selected one by one or both.

Another object of the present invention is to enable call call control of a room between a first monitor device unit and a second monitor device unit.

As a means for solving the problems of the present invention as described above, a plurality of first video phone system and a second video phone system is provided, and each of the first video phone system and the second video phone system as a set A first camera device unit and a second camera device unit are connected to each other by an electrical signal through corresponding interface units of the first monitor unit and the second monitor unit.

The apparatus may further include a call detection module for detecting a call signal according to a call request from the first camera device unit and the second camera device unit, and a controller for determining a call signal detected by the call detection module and outputting a control signal. It is characterized by that.

And a sound module and a video module for selecting audio signals and video signals respectively output from the first and second camera device units by control signals output from the controller.

As another means for solving the problems of the present invention as described above, a plurality of first video phone system and a second video phone system is provided, and is set in each of the first video phone system and the second video phone system It characterized in that the first camera unit and the second camera unit is connected to the electrical signal through the interface unit corresponding to each of the first monitor unit and the second monitor device provided.

In addition, the camera control unit for selecting and controlling the camera to output at least one or more image signals from the camera module provided in the first and second camera device unit is characterized in that it is configured.

And an image selector for selecting an image signal output from the selected camera under the control of the camera controller.

As another means for solving the problems of the present invention as described above, a plurality of first video phone system and a second video phone system is provided, and is set in each of the first video phone system and the second video phone system It characterized in that the first camera unit and the second camera unit is connected to the electrical signal through the interface unit corresponding to each of the first monitor unit and the second monitor device provided.

The controller may determine a call signal generated by one of the first monitor unit and the second monitor unit, and control data determined by the controller may be used for the first video phone system and the second video phone system. It is characterized by including a data transmission bride for performing transmission and reception.

Hereinafter, the objects and solutions to the present invention will become more apparent from the detailed description of the various embodiments shown in the accompanying drawings.

As described above, the present invention provides the first camera device unit and the second camera unit installed at at least one or more entrances and doors through the first and second monitor device units provided in the plurality of first and second video phone systems. Since the selection and control of the camera unit is possible, it is widely applied to home automation products based on the home network system, providing the effect of further strengthening the surveillance control on the suspicious behavior of the visitors.

In the following description of specific embodiments of the present invention, the configuration and actions thereof are illustrated by the drawings of the present invention, which will be described as at least one embodiment, whereby the technical idea of the present invention and its core configuration And actions will not be limited.

For reference, in designating reference numerals in the drawings to be described in the present invention, it should be noted that the same components are given the same reference numerals as much as possible, even if shown in different drawings.

Hereinafter, a visitor surveillance control apparatus using a plurality of video phone systems according to the present invention will be described in detail with reference to FIGS. 2 to 8.

Next will be described the overall technical configuration of the video phone system in the present invention.

FIG. 2 is a view showing a schematic overall configuration for monitoring and controlling visitor using a plurality of video phone systems according to the present invention. FIG. 3 is a first and second video phone systems according to the present invention. FIG. 1 is a diagram illustrating an example of a circuit wiring.

The technical configuration of the overall concept of the present invention consists of a plurality of first video phone system 100 and second video phone system 300.

The first video phone system 100 and the second video phone system 300 may include a first camera device unit 101 and a second camera device unit 301, and a first monitor device unit 201 and a second monitor. As shown in Fig. 2, the device portion 401 is composed of a set.

The plurality of first camera device unit 101 and the second camera device unit 301 may be a doorway-1 and a doorway-2 (for example, a front door and a rear door) located at different positions when two or more doorways are houses. Etc.), and in the case of a house or apartment with one entrance, it would be desirable to install it together.

In addition, the plurality of first monitor device unit 101 and the second camera device unit 301 and the plurality of first monitor device unit 201 and the second monitor device unit 401 which are configured and interlocked therewith are It would be desirable to install in room-1 and room-2, but in each other room (e.g., room 1 and room 2, first and second room, living room, kitchen, etc.).

Meanwhile, between the first camera device unit 101 and the first monitor device unit 201 provided in the first video phone system 100 according to the present invention, the respective interface units 111 and 231 are provided. The first call line (A) is formed, which includes the camera module (102, 119) provided in the first camera device 101, the call button (103) (117), the microphone (104) ( 114, a call button 203, a microphone 204, 257, a speaker 205 (including a speaker 105, 115, and a screen unit 202 provided in the first monitor unit 201). 256, the first camera device 101 and the first monitor device 201 through the camera control unit 206, 282 is called and monitoring control is made.

In addition, corresponding interface units 311, 232, 233, 433 between the second camera apparatus 301 and the second monitor apparatus 401 included in the second video phone system 300 are also provided. A second call line (B) is formed through the formed, which includes the camera module 302, 319 provided in the second camera device 301, the call button 303, 317, the microphone 304 314, a speaker 305, 315 and the display unit 402 provided in the monitor unit 401, a call button 403, a microphone 404, 457, a speaker 405 ( 456 and the camera control unit 406 and 482 call and monitor control between the second camera unit 301 and the second monitor unit 401.

In other words, the visitor calls by pressing the call buttons 103, 303, 117, and 317 provided in the first camera device unit 101 and the second camera device unit 301 at the doorway-1 or the doorway-2. If the request is made, the first call line (A) and the second call line (B) to form a first monitor device unit 201 and the second monitor device unit 401 located in the room-1 and room-2. Is connected to the electric signal to form each call line is to make a call and monitoring control with the visitor.

On the other hand, the corresponding interface unit 233 and 433 between the first monitor unit 201 of the first video phone system 100 and the second monitor unit 401 of the second video phone system 300. The third call line (C) configured through the () is formed, which is the first monitor device unit 201 and the second monitor device unit 401 is installed as described above by pressing the call button (203, 403) Calls and calls are made between indoors (eg, Indoor-1 and Indoor-2, etc.).

In addition, according to the present invention, the first monitor apparatus 201 provided in the first video phone system 100 and the second camera apparatus 301 provided in the second video phone system 300 are provided. A fourth call line D formed through each corresponding interface unit 311 and 232 is also formed between the first monitor device 201 and the second camera device 301. Control is made.

Subsequently, a corresponding interface unit is also provided between the second monitor device unit 401 provided in the second video phone system 300 and the first camera device unit 101 provided in the first video phone system 100. A fifth call line E formed through 111, 231, 233, 433 is formed, and call and surveillance control is performed between the second monitor device 401 and the first camera device 101. Will be done.

3, when the interface unit 111 of the first camera device unit 101 and the interface unit 231 of the first monitor device unit 201 are connected to each other in a circuit, At this time, the interface unit 231 and the corresponding interface unit 233 are connected by an internal connection circuit pattern of the first monitor unit 201, and the first monitor unit 201 Since the interface unit 433 of the interface unit 233 and the second monitor unit 401 are connected in a circuit, the first camera unit 101, the first monitor unit 201, and the second monitor unit The units 401 are connected in parallel.

Similarly, when the interface unit 311 of the second camera apparatus 301 and the interface unit 232 of the first monitor apparatus 201 are connected to each other in a circuit, the first monitor apparatus 201 The interface unit 232 and another interface unit 233 are connected by an internal connection circuit pattern, and the interface unit 233 of the first monitor unit 201 and the second monitor unit unit ( Since the interface unit 433 of the 401 is connected in a circuit, a circuit configuration is also connected in parallel between the second camera device 301, the first monitor device 201, and the second monitor device 401. It becomes.

As described above, the present invention selects the second camera device 301 from the second monitor device 401 after the first camera device 101 is selected by the first monitor device 201. When the user (the landlord) of the household in which the first monitor device unit 201 is installed goes out, a mode change switch (not shown) provided in the first monitor device unit 201 switches to the absent mode (going out). As a result, the corresponding interface unit between the first monitor device unit 201 of the first video phone system 100 and the second monitor device unit 401 of the second video phone system 300 described above ( The state of the first monitor device 201 in the missed mode is controlled by the controller 291 by the third call line C formed through the second call device 401 through the second call device 401. Will be delivered to.

Therefore, when the first monitor device 201 is set to the absent mode, the visitor presses the call buttons 103 and 117 provided in the first camera device 101 to the first monitor device 201. ), The speakers 205, 256, 405 and 456 provided in the first monitor unit 201 and the second monitor unit 401 by the third call line (C). The call sound is simultaneously generated through the fifth call line E between the user of the household where the second monitor device 401 is installed and the visitor who has pressed the call buttons 103 and 117 of the first camera device 101. Call connection and supervisory control.

Of course, even when the user of the generation in which the second monitor device 401 is installed is absent, in contrast to the previous embodiment, the user and the first generation of the household in which the first monitor device 201 is installed according to the example described above. It will be clearly understood that call connection and surveillance control can be made by the fourth call line D between the two camera device units 301 as well.

As described above, the video monitoring control for selectively displaying the images of the visitors coming to the plurality of entrances and exits using the plurality of video phone systems according to the present invention on the screen units 202 and 402 is performed by the first monitor device unit ( 201) and control is performed through the camera controllers 206, 406, 282, and 482 provided in the second monitor device unit 401. At this time, the camera controllers 206, 406, 282, and 482 are controlled. ) May be configured as a three-stage slide switch (Slide Switch) so that the switching selection and control is made.

In more detail, this means that the first camera device unit 101 and the second camera device unit 301 are separately provided to the first monitor device unit 201 under the control of the camera controllers 206 and 282. It is also possible to select and control, or to configure the first camera device 101 and the second camera device 301 are both selected and controlled at the same time.

In addition, the second camera device 301 and the first camera device 101 may be individually selected and controlled in the second monitor device 401 by the control of the camera controllers 406 and 482. Alternatively, the second camera device 301 and the first camera device 101 may be configured to be selected at the same time, thereby allowing the visitor to suspect suspicious behavior including individual calls or multiple calls according to a call from the outside (entrance). Surveillance control is widely performed.

Meanwhile, the first camera device unit formed by the first call line A under the control of the camera controllers 206, 282, 406 and 482 included in the plurality of video phone systems according to the present invention ( It is understood that call call and monitoring control are possible between the second camera device unit 301 and the second monitor device unit 401 where the second call line B is formed even during a call between the first monitor device unit 201 and the first monitor device unit 201. Could be.

In addition, during the call between the first camera device 101 formed by the fifth call line E and the second monitor device 401, the second camera device 301 having the fourth call line D formed thereon; It will be appreciated that call call and supervisory control are possible between the first monitor device unit 201.

Next, the configuration of the first camera device unit 101 and the second camera device unit 301 included in the first video phone system 100 and the second video system 300 according to the present invention will be described in detail. Shall be.

FIG. 5 is a block diagram illustrating in detail a circuit configuration of a first camera device unit applied to a first video phone system in FIG. 2 according to the present invention. FIG. 6 is a block diagram of FIG. 2 according to the present invention. 1 is a block diagram illustrating an example of a circuit configuration of a second camera device unit applied to a second video phone system in detail.

An interface unit 231 for connecting the power generated by a predetermined voltage from the power supply units 261 and 461 provided in the first monitor unit 201 and the second monitor unit 401 to each terminal. 232, 233, 431, 432, 433, 111, and 311 are supplied with a Vcc power supply (for example, DC + 12V) to provide a plurality of first camera device units 101 and The power control unit 112, 312 for controlling the driving power for operating the two camera device unit 301 is configured.

In other words, the power supply control unit 112, 312 is the first terminal (# 1) and the second terminal (of the corresponding interface unit 111, 311, 231, 232, 431, 432) In the case of standby through # 2), a voltage of 0V is supplied and then the Vcc power supply (+ 12V) is supplied in a call state.

Of course, the power supply parts 261 and 461 may include a conventional bridge rectifier circuit and a first video phone system 100 and a second video phone system 300 to rectify an AC voltage into a DC voltage. It may be configured to include a switching mode power supply (SMPS) circuit for generating multiple DC voltages suitable for the characteristics of the load circuit.

In addition, the voice signal input through the microphones 104, 304, 114, and 314 provided in the first camera device 101 and the second camera device 301, respectively, correspond to the corresponding interface unit ( 111, 311, 231, 232, 431, and 432 are transferred to the first monitor unit 201 and the second monitor unit 401, and the first monitor unit 201 and Audio hybrid units 113 and 313 for outputting the voice signals received from the second monitor unit 401 to the speakers 105, 305, 115 and 315 are configured.

When the visitor presses the call buttons 103, 303, 117, and 317 at the doorway-1 or the doorway-2, the corresponding call signal is transmitted to each corresponding interface unit 111,311, 231 ( Call units 116 and 316 are configured to transfer the call signal to the first monitor unit 201 and the second monitor unit 401 through 232, 431, and 432.

In other words, as the visitor presses the call buttons 103, 303, 117, 317 at the doorway-1 or the doorway-2, the corresponding interface units 111, 311, 231 ( The line connected to the third terminal (# 3) of 232, 431, 432 decreases to a predetermined level range (e.g., about + 3V or less) for a voltage level of + 5V during standby. The detection signal is detected by the control unit 291 and 491 provided in the first monitor unit 201 and the second monitor unit 401 as a call signal. .

In addition, camera camera modules 102 and 302 for generating an image signal by capturing images of visitors located in the first camera device 101 and the second camera device 301 of the doorway-1 or the door-2. 119, 319, and the video signal photographed by the camera modules 102, 302, 119, 319 are amplified to a predetermined video signal level to each corresponding interface unit 111. (311) (231) (232) (431) (432) through the first monitor unit (201) and the second monitor unit 401 to output the image of the visitor to the display unit 202 (402) And an image amplification unit 118 and 318 for display on the screen.

Next, the configuration of the first monitor device 201 and the second monitor device 401 provided in the first video phone system 100 and the second video phone system 300 according to the present invention will be described in detail. Let's do it.

FIG. 7 is a block diagram illustrating in detail a circuit configuration of a first monitor device applied to a first video phone system in FIG. 2 according to the present invention. FIG. 1 is a block diagram illustrating an example of a circuit configuration of a second monitor device unit applied to a second video phone system.

The first camera device 101 is connected to the first monitor device 201 provided in the first video phone system 100 and the second monitor device provided in the second video phone system 300. The second camera device 301 is connected to the 401 is as follows.

The main components of the first monitor device 201 and the second monitor device 401 are power modules 260 and 460, followed by image modules 240 and 440, and sound. Module 250, 450, call detection module 270, 470, and corresponding interface units 231, 232, 233, 431, 432, 433, and control unit 291, respectively. 491, data transmission / reception units 281 and 481, and camera control units 282 and 482.

First, the interface unit 231 provided in the first monitor device unit 201 has connection terminals corresponding to the first camera device unit 101 so that electrical signals can be transmitted through the interface unit 111. For example, it may be desirable to establish a connection between # 1- # 4).

In addition, a connection terminal (eg, the second camera device unit 301 corresponding to the interface unit 232 provided in the first monitor device unit 201 through the interface unit 311 so that electrical signal transmission can be performed) For example, it may be desirable to establish a connection between # 1- # 4).

In addition, in the interface unit 233 provided in the first monitor device unit 201, a second monitor device unit 401 provided in the second video phone system 300 is electrically connected through the interface unit 433. It may be desirable to establish a connection between the corresponding connection terminals (eg, # 1- # 8) so that transmission can be made.

Next, the plurality of first video phone systems 100 and the second video phone system 300 are provided and connected to the first monitor device 201 and the second monitor device 401 by an electrical signal. The configuration of the power supply modules 260 and 460 for operating the plurality of first camera device 101 and the second camera device 301 will be described.

As mentioned above, the power supply units 261 and 461 include a conventional bridge rectifier circuit (not shown) for rectifying a conventional commercial AC voltage (AC 220V) into a DC voltage.

In addition, the first power control unit 262, 462 and the second power control unit 263, 463, the first camera device unit 101 and the second to output the DC power output from the power supply unit (261) (461). The power supplied to the camera device unit 301 is controlled, which may include a switching mode power supply (SMPS) circuit (not shown) for generating multiple DC voltages.

Next, the configuration of the image modules 240 and 440 provided in the first monitor device 201 and the second monitor device 401 will be described.

The camera control unit 206 outputs a video signal of the visitor captured by the camera modules 102, 302, 119 and 319 including the cameras of the first camera unit 101 and the second camera unit 301. Video selection unit 241 in which at least one or more video signals are selected (for example, video-1, video-2, etc. in FIGS. 7 and 8) according to selection control of (406, 282, 482). 441 is configured.

An image output unit 242 or 442 is configured to amplify the captured image signal of the visitor to a predetermined image signal level and display the image signal through the screen units 202 and 402.

The display unit 202 and 402 may include a cathode ray tube (CRT) or a liquid crystal display (LCD).

Next, the sound modules 250 and 450 according to the present invention will be described in detail.

An audio selector 251 for selecting an image corresponding to the image selected by the image selector 241 or 441 (for example, audio-1 or audio-2 in FIGS. 7 and 8) 451 is configured.

Of course, the image selector 241, 441 and the audio selector 251, 451 may be made of any one of switching means including an analog switch or a contactless logic circuit switch.

The voice signal selected by the voice selector 251 or 451 is output to the speaker 205, 405, 256, or 456, or input into the microphone 204, 404, 257, or 457. The audio signal is returned to the speakers 105, 305, 115, and 315 through the audio hybrid units 113 and 313 provided in the first camera unit 101 and the second camera unit 301. The voice hybrid parts 255 and 455 are provided.

In addition, the first camera device 101 and the second camera device 301 by the call button 103, 303, 117, 317 to generate a predetermined melody according to the call signal of the visitor The generator 253 and 453 and the melody amplification unit 254 and 454 for amplifying the generated melody to a predetermined signal level and outputting the same through the speakers 205, 405, 256, and 456. ) Is configured.

In addition, the first camera device 101 and the predetermined melody generated in the melody generating units 253 and 453 of the first monitor device 201 and the second monitor device 401 installed indoors. 2 Back Tone sound transmission unit 252 for transmitting back to the speakers 105, 305, 115, and 315 through the voice hybrid units 113 and 313 provided in the camera device unit 301. 452 is configured.

Meanwhile, the voice hybrid parts 255 and 455 further include voice modulators 258 and 458 for modulating a voice signal input from the microphones 257 and 457 into a predetermined voice tone. It can be configured.

This is to prepare for security from suspicious women, elderly people or children when looking at the house, and if the visitor displayed on the screen unit 202 (402) is determined to be suspicious, a separate function button (not shown). The voice modulators 258 and 458 are driven by selecting the modulated voice tone by pressing ().

In this case, the voice tone modulated by the voice modulators 258 and 458 may be modulated by various voices, including a strong male voice, which may help prevent crime.

Next, the call detection module 270 and 470 according to the present invention will be described in detail.

Call buttons 103, 303, 117, and 317 provided in the first camera device unit 101 and the second camera device unit 301 detect the call signal according to the visitor's call request, The first call detectors 271 and 471 and the second call detectors 272 and 472 are configured to supply the detected call signals to the controllers 291 and 491 so that the call signals can be determined accordingly. .

On the other hand, the data transmission and reception unit 281 for transmitting and receiving the control data (Data) controlled and determined by the control unit (291) (491) between the first video phone system 100 and the second video phone system 300 481 is configured.

In other words, the data transmitted / received through the data transmitter / receiver 281 and 481 may include overall control data for signal call and detection states, call start and end states, melody setting states, camera control states, and the like. It would be desirable to have control and discriminant actions accordingly.

The controllers 291 and 491 may be configured to perform overall control and discrimination operations of the first video phone system 100 and the second video phone system 300 by using a micom.

It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the core technical spirit of the present invention through the above description.

Therefore, the technical scope of the present invention is not limited to the contents described in the various embodiments as mentioned, it will be desirable to be clearly defined by the claims of the present invention.

The videophone system call and surveillance control apparatus according to the present invention is a technology that can be prepared for the surveillance and security according to the suspicious behavior of the visitor as part of the home network system, industrial applications that can be widely applied to home automation products in the future It is an invention of very high availability.

1 is a view showing a schematic overall configuration for controlling visitor monitoring using a conventional video phone system.

2 is a view showing a schematic overall configuration for monitoring control of visitors using a plurality of video phone system according to the present invention.

3 is a diagram illustrating an example of a circuit connection between first and second video phone systems in detail according to the present invention.

4 is a diagram illustrating one embodiment of a terminal code of an interface unit for circuit connection between the first and second video phone systems in FIGS. 2 and 3 according to the present invention.

FIG. 5 is a block diagram illustrating in detail a circuit configuration of a first camera device unit applied to a first video phone system in FIG. 2 according to the present invention.

FIG. 6 is a block diagram illustrating in detail a circuit configuration of a second camera apparatus unit applied to a second video phone system in FIG. 2 according to the present invention.

FIG. 7 is a block diagram illustrating in detail a circuit configuration of a first monitor device applied to the first video phone system in FIG. 2 according to the present invention.

8 is a block diagram illustrating an example of a circuit configuration of a second monitor device applied to a second video phone system in FIG. 2 according to the present invention.

Explanation of symbols on the main parts of the drawings

100: first video phone system 300: second video phone system

101: first camera unit 301: second camera unit

201: first monitor unit 401: second monitor unit

102, 302, 119, 319: camera module

103, 203, 303, 403, 117, 317: call button

104, 204, 304, 404, 114, 314, 257, 457: microphone

105, 205, 305, 405, 115, 315, 256, 456: Speaker

112, 312: power control unit

113, 313, 255, 455: Voice hybrid part

116, 316: call section

118, 318: Image amplification unit

111, 311, 231, 232, 233, 431, 432, 433: interface unit

202, 402: screen portion 206, 406, 282, 482: camera control unit

240, 440: Image module 241, 441: Image selector

242, 442: video output unit 250, 450: sound module

251, 451: voice selection unit 252, 452: back tone sound transmission unit

253, 453: Melody generator 254, 454: Melody amplifier

258, 458: voice modulator 260, 460: power module

261, 461: power supply unit 262, 462: first power control unit

263, 463: second power supply control unit 270, 470: call detection module

271, 471: first call detection unit 272, 472: second call detection unit

281, 481: Data transmission and reception unit 291, 491: Control unit

Claims (18)

A plurality of first video phone systems and a second video phone system; A first camera device unit connected to an electrical signal through a corresponding interface unit of a first monitor unit unit and a second monitor unit unit provided in each of the first video phone system and the second video phone system; A second camera device unit; A call detection module for detecting a call signal according to a call request from the first camera unit and the second camera unit; A controller for determining a call signal detected by the call detection module and outputting a control signal; A sound module and an image module for selecting an audio signal and an image signal respectively output from the first camera device unit and the second camera device unit by the control signal output from the controller; Including; The call signal determined by the controller is a predetermined voltage with respect to the standby voltage level of the line connected to the third terminal (# 3) of the interface unit 111, 311, 231, 232, 431, 432. Detect a difference in voltage that is reduced below the level range; And The sound module outputs the voice signal selected by the voice selector to the speaker, or delivers the voice signal input to the microphone to the speaker through the voice hybrid unit provided in the first camera unit and the second camera unit. A hybrid unit; Visitor monitoring and control device using a plurality of video phone system, characterized in that configured to include. delete delete delete A plurality of first video phone systems and a second video phone system; A first camera device unit connected to an electrical signal through a corresponding interface unit of a first monitor unit unit and a second monitor unit unit provided in each of the first video phone system and the second video phone system; A second camera device unit; A camera controller for selecting and controlling a camera to output at least one or more image signals from camera modules provided in the first camera unit and the second camera unit; The video signal output from the selected camera is selected under the control of the camera controller. An image selector; Including; The camera control unit performs call call and monitoring control between the second camera device unit and the second camera device unit on which the second call line is formed during a call between the first camera device unit on which the first call line is formed and the first monitor device unit. ; And Wherein the camera control unit performs call call and monitoring control between the first camera device unit and the second camera device unit on which the fourth call line is formed during the call between the first camera device unit on which the fifth call line is formed and the second monitor device unit. ; Visitor monitoring and control device using a plurality of video phone system, characterized in that configured to include. delete delete delete delete delete delete delete delete delete 6. The method of claim 1 or 5, wherein, when the first monitor unit is set to the member mode, call connection and monitoring control are performed between the second monitor unit and the first camera unit by a fifth call line; Visitor monitoring and control device using a plurality of video phone system, characterized in that. 6. The method of claim 1 or 5, wherein, when the second monitor device unit is set to the member mode, call connection and monitoring control are performed between the first monitor device unit and the second camera device unit by a fourth call line; Visitor monitoring and control device using a plurality of video phone system, characterized in that. delete delete

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