KR200296245Y1 - Usb coupling dvr - Google Patents

Abstract

Video cameras 11 for providing a captured video signal to an image processor; A multi-channel image processor 21 for processing the multi-channel image signals provided by the video cameras 11 and outputting them as image images; A multi-channel image encoder 31 which compresses the video image provided by the image processor and outputs the image file as an image file; By controlling the USB controller 51 to transfer the image file output from the image encoder 31 to the image computer (PC), the image file transmitted via the USB from the image computer (PC) by controlling the USB controller 51 Outputs to an output device, receives and decodes a control signal transmitted from the image computer (PC) through the USB controller 51, and in response to the decoded control signal, the video cameras 11 and the image processor 21; A controller 41 programmed to control the image encoder 31; In response to the control unit 41 signal, the image file output from the image encoder 31 is transmitted to the image computer PC through the USB, and the control signal provided from the image computer PC through the USB to the control unit 41. A USB controller 51 for providing an output device with an image file transmitted from the image computer (PC) via USB; It is configured with a USB coupled DVR.

Description

USB Coupling DVR (USB COUPLING DVR)

The present invention relates to a USB coupled DVR that outputs a USB signal.

In Korea Patent Application No. 10-2001-0068355 (Applicant Wooju Telecom), a floating IP image computer access system of a remote client computer that enables remote access between specified computers through an Internet network (hereinafter referred to as "flow IP access system"). Is proposed.

The floating IP access system allows a client computer to access an image computer via an IP relay server having a URL; The remote viewer computer (remote viewer computer) allows the user to achieve remote monitoring by controlling the remote monitoring computer (image computer) at a remote location by relaying a relay server.

Specifically, the dynamic IP access system includes an IP relay server 1 connected to the Internet network as a URL as shown in FIG. 1 and installed to relay the dynamic IP of the image computer to the client viewer computer; An image computer that is assigned a dynamic IP from a web browser when connected to an Internet network, provides the assigned IP and its ID to an IP relay server, executes a given task simultaneously, and installs one or more images on the IP relay server. (2); In order to access the image computer, it is connected to the Internet network as needed, and when connected to the Internet network, it is first connected to the IP relay server, and is connected to the image computer as an IP provided by the IP relay server, and at least one image computer is installed. A remote client viewer computer 3 which controls the image computer as a remote control; The IP relay server 1 is mounted on the IP relay server 1 and receives a packet including a connection IP and an ID of its own (image computer) from the image computer 2, and receives an ID included in the reception packet. Records the IP in the database 12, receives the separation information when the image computer 2 is separated from the Internet, deletes the corresponding IP information from the database, receives the request for providing the IP of the client viewer computer 3, A floating IP database management module 11 for retrieving the IP of the computer designated as the ID in the request packet from the database 12 and including the retrieved IP information in the packet and transmitting it to the client viewer computer 3; At the same time, the database 12 containing the image computer identification ID, the IP information of the image computer, and the Internet short circuit information is embedded in the IP relay server 1; The image computer 2 is mounted on the image computer 2 and acquires the Internet network access IP assigned by the web browser when connecting to the Internet 4, the ID of the image computer 2, and obtains the obtained IP and ID. It generates an included information packet and transmits it to the IP relay server 1 and performs a given main task, and includes an IP transmission module 21 for transmitting the Internet separation information to the IP relay server 1 when separated from the Internet. Doing; The client viewer computer 3 is mounted on the client viewer computer 3, connects to the IP relay server 1 prior to the connection of the image computer, transmits an IP request packet, and includes the ID of the image computer in the request packet. Receives the response packet provided by the IP relay server 1, decrypts the IP information of the designated ID included in the response packet, and uses the IP address to access the image computer 2 according to the decryption result. A module 31; An IP relay server connected to the Internet network as a URL is programmed to relay the floating IP of the image computer to client viewer computers; When connected to the Internet, a dynamic IP is assigned from the web browser and one or more image computers are installed for the IP relay server. The image computer is programmed to execute the given task after providing the assigned IP and its ID to the IP relay server. ; A remote client viewer computer, which is connected to the Internet network as necessary to access the image computer, is installed at least one of the image computer, and controls the image computer as a remote control, first connects to the IP relay server when connected to the Internet network. It includes the process of requesting the IP of the image computer by connecting, receiving the IP provided by the IP relay server, and connecting to the image computer.

The present invention can be used to convert a video signal obtained from a plurality of cameras to an image file and output to a USB channel so that a general-purpose personal computer or a notebook computer equipped with a USB coupler can be used as an image computer of a dynamic IP connection system as described above. (Universal serial bus) To provide a Coupling Digital Video Recorder (DVR) (hereinafter abbreviated as 'X-DVR' as necessary).

The present invention aims to provide an X-DVR that enables remote video surveillance by controlling video cameras of an X-DVR from a remote client computer connected to the dynamic IP access system on a network.

In particular, the present invention is to provide an X-DVR that can easily change the target of remote monitoring by miniaturizing the X-DVR set to a portable and can be connected to a general-purpose notebook computer.

1 is a block diagram of a floating IP image computer access system.

Figure 2 is a block diagram of the Internet access of the present invention X-DVR

Figure 3 is a block diagram of the subject innovation X-DVR

<Description of Drawing Major Symbols>

11: Video camera 21: Image processor 31: Image encoder 41: Controller 51: USB controller PC: Image computer

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

2 is a network connection diagram including the Internet of the inventive X-DVR 10.

The X-DVR 10 is connected as an USB coupler to an image computer PC configured as part of the floating IP connection system 4.

The IP relay server PC1 of FIG. 2 is equipped with a database and a database management module for storing an image computer PC identification ID, IP information, and Internet short-circuit information. The database management module is connected to an IP from an image computer PC. And the packet including the ID of the image computer (PC), the ID and IP included in the received packet are stored in the database embedded in the relay server (PC1), and the separation information when the image computer (PC) is separated from the Internet. Receives and deletes the corresponding IP information of the database, and receives the IP request from the client computer (PC3) and retrieves the IP of the computer specified by the ID in the request packet from the database and transmits to the client computer (PC3).

The image computer PC of FIG. 2 performs bidirectional data and control signal communication with the camera-side USB controller 51 through a built-in USB channel, outputs an image file received through the USB to an output device, and connects the USB. Stores the image file received through the database in the internal storage device, permits the connection of the client computer PC3 through the IP relay server PC1, and responds to the request of another computer including the client computer PC3. To transfer the image file stored in the database via the network, to control the X-DVR cameras at the request of another computer, to retrieve the image file stored in the built-in database, and to transfer the retrieved image file to the other computer. have.

In the client computer PC3 of FIG. 2, the floating IP connection module is mounted, and the floating IP connection module transmits an IP request packet including the ID of the image computer PC to the IP relay server 1 when connecting to the Internet. Connect to the image computer (PC) using the IP address provided by the IP relay server (1), control the X-DVR through the image computer (PC) to select the channels of the cameras included in the X-DVR, and Control the camera's pan tilt and zoom, search for image files stored on an image computer, request transfer of necessary image files, and transfer image files from an image computer. Receive and store or display in real time.

In FIG. 3, an embodiment block diagram of the present invention X-DVR is cited.

The present invention, the video camera 11 for providing the captured video signal to the image processing unit;

A multi-channel image processing unit 21 for processing the multi-channel image signals provided by the video cameras 11 and outputting them as frame image images;

A multi-channel image encoder 31 which compresses the video image provided by the image processor and outputs the image file as an image file;

The image file output from the image encoder 31 is transferred to the image computer PC through the USB controller 51, and the image file transmitted from the image computer PC through the USB controller 51 is output to the output device 71. A controller programmed to control the video cameras 11, the image processor 21, and the image encoder 31 in response to a control signal transmitted from the image computer PC through the USB controller 51. (41);

In response to the control unit 41 signal, the image file is transmitted to the image computer PC through a USB channel, and the control unit 41 provides a control signal provided through the USB from the image computer PC to the control unit 41, and the image computer PC. It is a USB-coupled DVR configured to include; USB controller 51 for providing an image file to the output device to the USB channel.

In the present invention, the video camera 11 is a pan tilt and zoom camera including a pan tilt and zoom driver 11a, and the camera control of the image computer PC is a camera channel selection, camera driving ON / FF, Pan tilt and zoom control.

The image computer PC of FIG. 3 performs bidirectional data and control signal communication with the camera-side USB controller 51 through a built-in USB channel, and outputs an image file received through USB to an output device. The image file received via USB is stored in the database of the internal storage device, the connection of the client computer PC3 is allowed through the IP relay server PC1, and the request of another computer including the client computer PC3 is required. In response to transmitting image files stored in the database over the network, controlling X-DVR cameras at the request of another computer, retrieving image files stored in the embedded database, and transferring the retrieved image files to the other computers. It is programmed.

In FIG. 3, the camera 11 converts an analog video signal into a digital signal in the decoder 12 (A / D conversion) by using an analog camera and provides the same to the image processor 21. If the price of the digital camera becomes low enough, the configuration of the decoder 12 may be omitted. The memory 22 for image processing is installed in the image processor 21. The image encoder 31 is provided with a memory 32 for image compression and filing. In the main controller 41, a working memory 42, a flash memory 43, and a key input unit 44 for receiving an external control code are provided.

Referring to the effect of the present invention is as follows.

The X-DVR camera 11 of FIG. 3 is a video camera controlled by the control signals c1, c2, c3, and c4 in the embodiment and includes a four-channel pan tilt driver 11a. Provided to the processor 21. The image signal cs of the camera 11 is input to the four-channel image processing unit 21 controlled as the control signal c5, and is generated by the processing of the image processing unit 21 to generate a frame image image ps and output to the image encoder 31. The image encoder 31 is a four-channel MPEG4 encoder controlled by the control signal c6. The image encoder 31 compresses the video image ps provided by the image processor 21 to generate an image file fs, and responds to the control signal c6. The fs is transmitted to the USB controller 51.

The USB controller communicates with the control unit 41 as the control signal c7, converts the image file fs provided by the encoder 31 into the direct signal signal usbs in response to the control signal c7, and transmits it to the image computer PC. Responsive to c7, the direct sequence signal of the image file is received from the image computer PC, demodulated into the image file, and output to the output device 71 through the encoder 72, in response to the control signal c7, and the image computer PC. Provides a control signal c7 transmitted by being included in the serial signal usbs to the controller 41.

In the embodiment, the controller 41 communicates with the peripheral device as a 2-4 bit control signal and controls the peripheral device. Specifically, the controller 4 selects the camera 11 channel as the control signals c1, c2, c3, and c4, turns the camera 11 on and off, and controls the image processor 21 as the control signal c5 to control the camera. The video signal is converted into an image image, the encoder 31 is controlled by the control signal c6, the image image ps is compressed to generate an image file fs, the image file fs is transmitted to the USB controller 51, and as a control signal c7. The USB controller 51 is controlled to transmit the video image file to the image computer PC as a serial signal, to control the output device 61 and the encoder 62 as the control signal c8, and the output device 71 with the control signal c9. ) And the encoder 72, the control code is input from the key input unit 44, and program control corresponding thereto is performed.

In FIG. 3, the video image signal ps and the control signal c8 of the controller 41 are given to the video output device 61 through the connector CON1, so that the video image signal ps is demodulated as an analog signal at the encoder and applied to the output device. The video is played back. The output device may play back one frame of video or four frames simultaneously by the control signal c8. The output device 61 of FIG. 3 may be a small output device mounted on a CRT, a liquid crystal output device, particularly an X-DVR. The output device 61 of FIG. 3 can be separated from the connector CON1.

An embodiment specification of the present invention X-DVR parts is as follows.

1) Output device: 1 to 4 channels NTSC = 320 × 240, 720 × 480

2) Image Encoding Method: MPEG4 Compression Method

3) Compressed data size per frame of VGA format: 35 ~ 100Kbps (Adjustable support)

4) Control Unit CPU: Microsystems 16bit Processor

5) Memory: 4Mbit Flash memory, 16Mbit 32Mbit SDRAM × 2

6) Image Encoder: MPEG4 Encoder (320 × 240, 720 × 480, 30Frame)

7) Video Decoder: NTSC / PAL Digital Video Decoder × 4

8) Video Encoder: NTSC / PAL Digital Video Encoder

9) Image Processor: Video Processor for 4 Screen Processing

10) USB Controller: Compliant Full Speed Controller

The specification of this program is as follows.

1) OS: Programmed to control under Windows system.

2) Preview: It is programmed to use NTSC / PAL output as default output and Windows prib as option.

3) Recording: Programmed to read and write 30 frames of MPEG4 compressed data.

4) Flyback (Playback): Programmed to flyback (server and client) compressed data to CIF or VGA format for each channel.

5) Search: Program the saved data to be searched by date, time, etc.

6) ?? Up: Programmed to have channel selection, camera characteristic selection and compression ratio selection.

As described above, the present invention provides a USB coupling DVR which can use a general-purpose personal computer or a notebook computer having a USB coupler as an image computer of a floating IP connection system, and the present invention connects to the floating IP connection system on a network. It provides a USB-coupled DVR that enables remote video surveillance by controlling remote video cameras from a remote client computer, and miniaturizes the USB-coupled DVR set to be portable and connects to a universal notebook computer. It is to provide a USB coupled DVR that can be easily changed.

Claims (3)

In DVR, Video cameras 11 for providing a captured video signal to an image processor; A multi-channel image processor 21 for processing the multi-channel image signals provided by the video cameras 11 and outputting them as image images; A multi-channel image encoder 31 which compresses the video image provided by the image processor and outputs the image file as an image file; By controlling the USB controller 51 to transfer the image file output from the image encoder 31 to the image computer (PC), the image file transmitted via the USB from the image computer (PC) by controlling the USB controller 51 Outputs to an output device, receives and decodes a control signal transmitted from the image computer (PC) through the USB controller 51, and in response to the decoded control signal, the video cameras 11 and the image processor 21; A controller 41 programmed to control the image encoder 31; In response to the control unit 41 signal, the image file output from the image encoder 31 is transmitted to the image computer PC through the USB, and the control signal provided from the image computer PC through the USB to the control unit 41. A USB controller 51 for providing an output device with an image file transmitted from the image computer (PC) via USB; USB coupled DVR configured including. The method of claim 1, The video camera (11) is a pan tilt and zoom camera, and the camera control of the image computer (PC) includes a camera channel selection, the camera on / off, pan tilt and zoom control. The method according to claim 1 or 2, The X-DVR camera 11 of FIG. 3 is a video camera controlled by control signals c1, c2, c3, and c4 and includes a four-channel pan tilt and a zoom driver 11a. The image signal cs of the camera 11 is input to the four-channel image processing unit 21 controlled as the control signal c5, and the frame image image ps is generated by the processing of the image processing unit 21 to generate an image encoder ( 31), the image encoder 31 is a four-channel encoder controlled by the control signal c6, compresses the video image ps provided by the image processor 21 to generate an image file fs, and responds to the control signal c6. The file fs is transmitted to the USB controller 51, and the USB controller converts the image file fs provided from the encoder 31 into the direct signal signal usbs in response to the control signal c7, and transmits it to the image computer PC. in response to c7 Receives the serial signal of the image file from the unknown computer (PC), and provides the control signal c7 transmitted from the image computer (PC) to the control unit 41, wherein the control unit 4 is the control signal c1, Select the camera 11 channel as c2, c3, c4, turn the camera 11 power on / off, control the image processor 21 as the control signal c5 to convert the camera video signal into an image image, and control signal The encoder 31 is controlled by c6 to compress the image image ps to generate an image file fs, transmit the image file fs to the USB controller 51, and control the USB controller 51 as the control signal c7 to control the image image file. Is transmitted as a serial signal to the image computer (PC), the output device 61 and the encoder 62 are controlled as the control signal c8, and the output device 71 and the encoder 72 are controlled by the control signal c9. USB connecting DVR.