KR20090093711A - Integrated dvr system of mult-contents and multi-display - Google Patents

Abstract

An integrated DVR system of multi-contents and multi-display is provided to connect a master module and a sub module in multi-layer structure through input/output channels, thereby expanding an input channel and an output channel. A master module(100) comprises the following units. Digital video recorders(101~104) compress and store image signals inputted from cameras. The digital video recorder reads and outputs the stored data. A media player unit(109) reads and outputs data stored in a storage medium. A tuner unit(108) receives and outputs a broadcasting signal. Image output units process the output signals and outputs them to an output channel to which monitors are connected.

Description

INTEGRATED DVR SYSTEM OF MULT-CONTENTS AND MULTI-DISPLAY}

The present invention relates to an integrated multi-content and multi-display TV system, and more particularly, various contents such as a multimedia player or a received broadcast signal as well as a video signal captured by a security camera can be output to several monitors. An integrated multi-content and multi-display television system.

In general, DVR (Digital Video Recorder), which is abbreviation of digital video recorder, captures the video signal input through surveillance camera, converts it into high quality digital video signal, and saves it in storage media such as hard disk or optical disk. The recorded video can be easily searched or played back by time, date, camera or event, and can be easily backed up and edited. When using multiple surveillance cameras, the video input from each surveillance camera can be displayed on one monitor screen. It is a digital image storage device that can perform the multiplexer function to divide and monitor and can use the recorded video semi-permanently. It is currently installed in large discount stores, parking lots, financial institutions, airports, and widely used to check the security status. It is becoming.

3 illustrates a general security digital video recorder (DVR). Referring to the drawings, a general security digital video recorder includes an interface unit 10, an A / D conversion unit 11, a digital signal processing unit 12, The MPEG encoder 13, the MPEG decoder 14, the timer 15, the hard disk 16, the microcomputer 17, the memory 18, etc. are comprised. The analog video signal output from the plurality of cameras CAM 1 to CAM k connected through the interface unit 10 is converted into a digital video signal by the A / D converter 11, and then the digital The signal processing unit 12 performs signal processing into digital video data, encodes the compressed data in MPEG format by the MPEG encoder 13, and records and stores the data in the hard disk 16 as a data file. When reading and playing back the data file recorded on the hard disk, the MPEG decoder 14 decodes and restores the original digital video data, and then outputs the video image through the digital signal processor 12. , Monitor, etc. are displayed on the screen.

In the general TV system as described above, only an image photographed by a camera is output as a video image.

Therefore, conventionally, a place or a store where a lot of people come and go installs a separate DB system for security and displays an image or a broadcast for advertisement or guidance by installing a separate broadcasting system on a screen.

As described above, when the TV system and the broadcasting system are separately installed, the installation cost is increased and maintenance and management are difficult.

The present invention was conceived by recognizing the above points, and an object of the present invention is to output various contents such as a multimedia player or a received broadcast signal as well as a video signal captured by a security camera through several monitors. Its main purpose is to provide an integrated multi-content and multi-display television system.

In addition, an additional object of the present invention is to overcome not only the video signal of the security camera but also the limitation of an input channel for inputting multi-contents of various sources and a limitation of an output channel to which a monitor connected for video output is connected. It is to provide an integrated multi-content and multi-display TV system that can expand the input channel and output channel by connecting the sub-module in a multi-layer structure.

In order to achieve the above object, the integrated multi-content and display TV system according to the present invention comprises a digital video recording unit for compressing and storing several image signals input from a plurality of cameras, and reading and outputting the stored data; A media player unit for reading and outputting data stored in a medium, a tuner unit for receiving and outputting a broadcast signal, and processing the signals output from the digital video recording unit, media player unit, and tuner unit and distributing them to an output channel to which a monitor is connected. It characterized in that it comprises a master module provided with an image output unit for outputting.

In addition, the multi-content and multi-display TV system according to the present invention, the master module is further provided with an interface unit for transmitting and receiving a signal, an interface unit for transmitting and receiving a signal, and processing the signal received through the interface unit At least one submodule having a video output unit for distributing and outputting to the output channel connected to the monitor, further comprising a video signal output from one of the output channel of the master module is transmitted to the interface unit of the submodule Characterized in that it is output to the monitor through the image output unit.

In addition, the multi-content and multi-display TV system according to the present invention, the sub-module is further provided with a digital video recording unit for compressing and storing several video signals input from a plurality of cameras, and read and output the stored data, The image output unit of the submodule may process a signal output from the digital video recording unit of the submodule and output the processed signal to a monitor.

In addition, the multi-content and multi-display TV system according to the present invention, the sub-module further comprises a media player unit for reading and outputting data stored in the storage medium, and a tuner unit for receiving and outputting a broadcast signal, The image output unit of the module may process a signal output from the media player unit and the tuner unit of the submodule and output the processed signal to a monitor.

According to the above configuration, the multi-content and multi-display TV system according to the present invention has an advantage of outputting various contents such as a multimedia player or a received broadcast signal as well as a video signal photographed by a security camera.

In addition, the integrated multi-content and multi-display TV system according to the present invention can extend the input channel and the output channel by connecting the master module and the sub-module in a multi-layered structure through the input and output channels, so that not only the video signal of the security camera but also various It has the advantage of overcoming the limitations of the input channel into which the multi-contents of the source are input and the output channel from which the image displayed on the screen is output.

1 is a block diagram showing a master module of the integrated multi-content and multi-display TV system according to an embodiment of the present invention

2 is a block diagram illustrating an integrated multi-content and multi-display DV system according to an embodiment of the present invention.

3 is a block diagram showing a general TV system

<Short description of the major reference symbols>

100 master module

     101,102,103,104 digital video recorder

          101 mux

          102 MPEG Encoder

          103 Demux

          104 recorder

     105,106,107 video output

          105 MPEG decoder

          106 scaler

          107 Amplifier & Splitter

      108 tuner section

      109 Media Player

      110 interface

200,200 'Primary Submodule

300,300 'secondary submodule

Hereinafter, with reference to the embodiment shown in the drawings will be described in more detail the integrated multi-content and multi-display display system according to the present invention.

1 is a block diagram illustrating a master module of an integrated multi-content and multi-display DV system according to an embodiment of the present invention, and FIG. 2 is an integrated multi-content and multi-display DV system according to an embodiment of the present invention. It is a block diagram showing the.

Referring to the drawings, in an integrated multi-content and multi-display DV system according to an embodiment of the present invention, the master module 100, the primary submodules 200 and 200 ', and the secondary submodules 300 and 300' are hierarchically connected. It has a multilayer structure.

2 illustrates the master module 100 in detail. The master module 100 includes a digital video recording unit 101, 102, 103, 104, an image output unit 105, 106, 107, a tuner unit 108, a media player unit 109, and an interface. It is configured to include a unit (110).

The digital video recording units 101, 102, 103, and 104 are for compressing and storing several video signals input from the plurality of cameras C1, C2, and C3, and reading and outputting the stored data. Referring to the drawings, the digital video recording units 101, 102, 103, and 104 are muxes 101, Mux, and Multiplexer for selecting and outputting one of several image signals input from a plurality of cameras C1, C2, and C3, and the mux ( MPEG encoder 102 for compressing the signal output from 101 by MPEG method, and demux 103 for separating the complex data compressed by the MPEG encoder 102. And a recording device 104 such as a hard disc device (HDD) for storing compressed data separately output from the demux 103 and for reading and outputting the stored data.

The image output units 105, 106, and 107 are image data read and output from the recording device 104 of the digital video recording unit, image signals output from the tuner unit 108, and image data output from the media player unit 109. The video signal and data input from the interface unit 110 are processed and distributed to the output channel to which the monitors M1, M2, and M3 are connected. Referring to the drawings, the image output units 105, 106, and 107 are image data read and output from the recording device 104 of the digital video recording unit, image data output from the media player unit 109, and the interface unit 110. MPEG decoder 105 (MPEG decoder) for decompressing and decoding the image data input from the video data, and digital R / G / B video signals decoded by the MPEG decoder 105 in frame units that can be displayed on the LCD module. The scaler 106 converts and transmits the signal according to the signal input timing of the LCD module, the image signal output from the scaler 106, the image signal output from the tuner unit 108, and the interface unit 110. And an amplifier and divider 107 for amplifying the input video signal and distributing it to an output channel.

The tuner unit 108 is a component for receiving a broadcast signal and outputting the amplification and distribution unit 107 of the image output unit.

The media player unit 109 is configured to read image data stored in a storage medium such as a digital video disc (DVD) and output the image data to the MPEG decoder 105 of the image output unit.

The interface unit 110 is a component for receiving a signal transmitted from the primary submodules 200 and 200 'and transmitting a signal to the primary submodules 200 and 200'.

According to the present invention, several primary submodules 200 and 200 'are connected to the master module 100 configured as described above, and secondary submodules 300 and 300' are connected to the primary submodules 200 and 200 '. It is connected to have a structure and outputs the video signal output from the master module 100 to the monitors M1, M2, M3 directly connected to the master module 100, as well as the primary sub-module 200, 200 'and secondary It is characterized in that it is configured to expand the output by outputting to a monitor connected to the primary submodules 200 and 200 'and the secondary submodules 300 and 300' through the submodules 300 and 300 '. In addition, the present invention not only processes the image signal input from the camera (C1, C2, C3) directly connected to the master module 100, but also the primary submodule (200,200 ') and secondary submodule (300,300'). It is configured to process the video signal input from the camera connected to the primary sub-modules 200, 200 'and the secondary sub-modules 300, 300' through is characterized in that configured to extend the input from the camera.

The primary submodules 200 and 200 'and the secondary submodules 300 and 300' are substantially the same as the master module 100. That is, each of the primary submodules 200 and 200 'includes a digital video recorder including a mux 201, an MPEG encoder 202, a demux 203, and a recording device 204, an MPEG decoder 205, and a scaler 206. ), An image output unit comprising an amplification and distribution unit 207, a tuner unit 208, a media player unit 209, and an interface unit 210. Similarly, the secondary sub-modules 300 and 300 'each include a digital video recording unit consisting of a mux 301, an MPEG encoder 302, a demux 303, and a recording device 304, an MPEG decoder 300 and a scaler ( 306, an image output unit comprising an amplifier and divider 307, a tuner unit 308, a media player unit 309 and an interface unit 310.

The master module 100 configured as described above and the plurality of primary submodules 200 and 200 'are connected as follows. Referring to the drawings, an image signal output from one of the output channels of the master module 100 is transmitted to the interface unit 210 of the primary submodules 200 and 200 'to transmit the primary signal to the primary submodules 200 and 200'. The image output unit 205, 206, 207 is output to the monitor. In addition, the image output units 205, 206 and 207 of the primary submodules 200 and 200 'process the signals output from the digital video recording units 201, 202, 203 and 204 of the primary submodules 200 and 200' and output them to the monitor. Also, the image output units 205, 206, and 207 of the primary submodules 200 and 200 'process the signals output from the media player unit 209 and the tuner unit 208 of the primary submodules 200 and 200' to the monitor. Output

Similarly, the primary submodules 200 and 200 'configured as described above and the plurality of secondary submodules 300 and 300' are connected as follows. Referring to the drawings, an image signal output from one of the output channels of the primary submodules 200 and 200 'is transmitted to the interface unit 310 of the secondary submodules 300 and 300', and thus the secondary submodules 300 and 300. ') Is output to the monitor through the image output unit (305, 306, 307). In addition, the image output units 305, 306, 307 of the secondary sub modules 300, 300 ′ process the signals output from the digital video recording units 301, 302, 303, 304 of the secondary sub modules 300, 300 ′ and output them to a monitor. In addition, the image output unit 305, 306, 307 of the secondary sub module 300, 300 ′ processes the signals output from the media player unit 309 and the tuner unit 308 of the secondary sub module 300, 300 ′ to the monitor. Output

The integrated multi-content and multi-display TV system described above and illustrated in the drawings is only one embodiment for implementing the present invention, and should not be construed as limiting the technical spirit of the present invention. The scope of protection of the present invention is defined only by the matters set forth in the claims below, and the embodiments which have been improved and changed without departing from the gist of the present invention will be apparent to those skilled in the art. It will be said to belong to the protection scope of the present invention.

Claims (4)

A digital video recording unit for compressing and storing several video signals input from a plurality of cameras, and reading and outputting the stored data; A media player unit for reading and outputting data stored in the storage medium; A tuner unit for receiving and outputting a broadcast signal; And a master module including a video output unit which processes a signal output from the digital video recording unit, a media player unit, and a tuner unit and distributes the signal output to an output channel to which a monitor is connected. system. The method of claim 1, The master module is further provided with an interface unit for transmitting and receiving signals, At least one sub-module further comprises an interface for transmitting and receiving a signal, and an image output unit for processing the signal received through the interface unit to distribute the output to the output channel connected to the monitor, And a video signal output from one of the output channels of the master module is transmitted to the interface of the sub module and output to the monitor through the video output of the sub module. The method of claim 2, The sub module further includes a digital video recording unit for compressing and storing several image signals input from a plurality of cameras, and reading and outputting the stored data. And the image output unit of the sub module processes a signal output from the digital video recording unit of the sub module and outputs the signal to a monitor. The method according to claim 2 or 3, The sub module further includes a media player unit for reading and outputting data stored in a storage medium, and a tuner unit for receiving and outputting a broadcast signal. And a video output unit of the sub module processes a signal output from the media player unit and the tuner unit of the sub module and outputs the signal to a monitor.