KR100711867B1 - A digital video recorder with communication function - Google Patents

Abstract

The present invention provides a communication function capable of monitoring a financial transaction terminal even at a long distance by recording a video input and input from a camera mounted on the financial transaction terminal to an internal storage medium and transmitting the image to an external display device through a communication network. A surveillance image recording and reproducing apparatus, comprising: compression means for compressing and encoding an image photographed and input from a photographing apparatus in a predetermined manner; Storage means for storing the compressed and encoded digital image data; Decoding means for decoding and storing the stored digital video data into an original video; And a communication means connected to an external display device through a communication network to select one of the stored image or the photographed input image and transmit the selected image to the external display device through the communication network. The operator can easily monitor and confirm the surrounding situation of financial transaction terminals through the financial transaction terminal near the remote location or the present location without the hassle of having to search a myriad of financial transaction terminals and check the recorded video. It is a very useful invention that increases the convenience of operation and eliminates unnecessary time wasted due to the movement for monitoring.

Surveillance, LAN, Digital, Video, Recording

Description

Surveillance video recorder with communication function {A digital video recorder with communication function}             

1 is a diagram illustrating a plurality of financial transaction terminals (CD or ATM) in which a surveillance video recording and reproducing apparatus providing a communication function according to the present invention is connected and connected to an external display device (PC) through a LAN.

2 is a block diagram of a preferred embodiment of the surveillance video recording and reproducing apparatus of FIG.

※ Explanation of code for main part of drawing

S: switch

10: video compressor 20: hard disk

30; Video Extender 40: Video Encoder

50: digital signal processing unit 60: control unit

70: video selection unit 80: communication unit

100: a financial transaction terminal (CD / ATM) that implements a surveillance video recording and playback device providing a communication function according to the present invention 200: an external display device

The present invention relates to a surveillance video recording and reproducing apparatus for providing a communication function, and more particularly, to record an image of a surrounding situation of a financial transaction terminal photographed and input from a camera on an internal storage medium, and also to display an external display through a communication network. The present invention relates to a surveillance video recording / reproducing apparatus that provides a communication function capable of monitoring a financial transaction terminal even at a remote location.

Installed in major areas such as banks and museums, the Time Lapse Video Recorder (VCR) is used for long-term surveillance and observation to prevent theft. Instead of recording, recording is performed one frame at a predetermined time interval selected from the real-time video screens transmitted while repeating the driving and stopping of the recording tape by the capstan motor of the recording unit, and recording is also performed when the video signal recorded on the recording tape is reproduced. By controlling the negative capstan motor, the video frames recorded on the recording tape are read out while the tape is advanced in units of video frames. The recording and playback of the video frames are performed at predetermined time intervals according to the time mode set by the user. In this case, intermittent recording and playback of video frames were performed.

However, since the capstan motor of the recording unit repeats driving and stopping while periodic recording and playback are performed at regular intervals as described above, in order to repeat the operation of stopping the recording tape after only one frame, In addition to the need for highly precise control of the capstan motor, the recording tape is also damaged by mutual friction with the head drum during the recording stop period. Due to the wear, the image quality of the video signal is lowered, and the service life of the tape is shortened.

In addition, the management operator of the video recording player is very cumbersome because the recording tape must be replaced periodically, there is a problem that a separate external device must be provided to perform special functions such as multi-recording and playback screen division.

In order to solve this problem, a digital video recorder (DVR) using a digital recording medium, rather than an analog recording tape, has been developed, which records digital images on a recording medium such as a memory. By reproducing and reproducing, the recorded data can be almost semi-permanently stored without damaging the recording medium, and it is an expensive device that can perform special functions such as multi-recording and playback screen division without a separate external device.

On the other hand, financial transaction terminals such as automated teller machines (CDs and ATMs) are equipped with a digital video recording and reproducing function for recording and playing back surveillance video. The output image of the camera photographing the back is being digitally recorded on the internal recording medium.

However, when the management operator of the financial transaction terminal wants to play back the images recorded on the recording medium, the management operator searches for countless financial transaction terminals one by one and waits for a time when there is no user. If you watch the recorded video directly through the small monitor, or if the customers continue to perform the financial transaction using the financial transaction terminal, it is impossible to view the recorded image on the financial transaction terminal, so the financial transaction With the auxiliary recording medium driving device provided in the terminal, there is a troublesome problem of copying the recorded image to the auxiliary recording medium and playing it using an external playback device (PC, etc.).

Therefore, the present invention was created to solve the above problems, by connecting a plurality of surveillance video recording and playback devices and an external display device through a communication network, a video recorded in a specific surveillance video recording and playback device at a remote location or in real time. It is an object of the present invention to provide a surveillance video recording and reproducing apparatus that provides a communication function that enables viewing of the captured video.

Surveillance image recording and reproducing apparatus for providing a communication function according to the present invention for achieving the above object, the compression means for compressing and encoding the image taken from the photographing apparatus in a predetermined manner; Storage means for storing the compressed and encoded digital image data; Decoding means for decoding and storing the stored digital video data into an original video; And a communication means connected to an external display device through a communication network to select one of the stored image or the photographed input image and transmit the selected image to the external display device through the communication network.

Hereinafter, the configuration and operation of a preferred embodiment of a surveillance video recording and reproducing apparatus for providing a communication function according to the present invention will be described in detail with reference to the accompanying drawings.

1 shows a plurality of financial transaction terminals (CDs or ATMs) implementing surveillance video recording and reproducing apparatuses according to the present invention through an external display device (PC, etc.) and a local area network (LAN). FIG. 2 illustrates a configuration of a preferred embodiment of the surveillance video recording and reproducing apparatus of FIG. 1, wherein digital image data photographed and input from a signal-connected camera is captured by a Motion Joint Photographic Experts Group (MJPEG). An image compressor 10 which compresses and encodes the total data amount by reducing the amount of data; A hard disk 20 which sequentially stores the reduced output image data; An image expander (30) which decompresses and decompresses the compressed digital image data read from the hard disk (20) into image data having an original size by MJPEG; A video encoder (40) for converting and outputting the decoded digital video data into a composite analog video signal (Y / C); A digital signal processor (50) which is responsible for the compression, decompression, and signal processing of the digital image data by MJPEG method and the data storage in the hard disk (20); A controller (60) for overall control of the storage of the image data of the hard disk (20) and the reproduction process of the image data; An image selecting unit 70 for selectively outputting any one of a plurality of input image data; And a communication unit 80 which transmits the image data selected and output from the image selection unit 70 to an external device through a connected LAN, and receives an image input from another device.

In the surveillance video recording and playback apparatus providing a communication function according to the present invention configured as described above, first, the camera connected to the surveillance video recording and playback apparatus is located at a specific point so as to photograph the surroundings of the financial transaction terminal, the control unit In operation 60, the digital image data captured and transmitted from the camera in real time is compressed and encoded by the image compressor 10 in order to record the digital image data photographed from the camera.

Accordingly, the image compressor 10 compresses and encodes the input digital image data according to the MJPEG method, which is a preset compression method, under the control of the digital signal processor 50 to compress the size of the total data amount to a predetermined ratio. By storing the frame data in the hard disk 20 in units of frames, the hard disk 20 finally stores the video data in which the real-time amount of image data transmitted is temporally compressed.

On the other hand, with the start of the encoding, the control unit 60 controls the image selection unit 70 in the external image output mode so that the output terminal and the a terminal is connected, the communication unit 80 from the camera Real-time shooting Digital image data input is specified and transmitted to an external display device (PC, etc.) connected and connected via a LAN.

Accordingly, the external display device decodes and outputs the video data input in real time from the surveillance video recording and reproducing apparatus connected and connected through a LAN, thereby causing the management operator to continuously monitor the external display device. Surveillance Video Record and playback environment and the surrounding environment can be monitored and confirmed at any time.

As described above, a customer who manages a financial transaction using the financial transaction terminal by the management operator of the financial transaction terminal in which the compressed video image data is stored in the hard disk 20 is implemented. In this case, the recorded video stored in the hard disk 20 in the surveillance video recording / reproducing apparatus or the video input directly from the camera for camera testing may be viewed through the monitor of the financial transaction terminal. To this end, the control unit 60 is connected to the terminal (b) when the output request to the camera, the switch (S) to the b terminal when the playback request of the recorded video, and the video encoder ( 40) to start converting the input image data into the composite image signal.

 If the requested command is reproduction of the image data stored in the hard disk 20, the controller 60 causes the image expander 30 to sequentially compress the compressed digital image data of the hard disk 20. Under the control of the digital signal processor 50, the image expander 30 decodes the read compressed digital image data according to the MJPEG method, which is a predetermined decoding method, before the image data of the original size is compressed. The video encoder 40 converts the uncompressed digital video data input through the b terminal of the switch S into a composite analog video signal and outputs it to the monitor, thereby reproducing the pre-recorded video signal. This is done.

If the external monitoring mode is specified, the controller 60 disables the encoding process of the video encoder 40 and connects the output terminal of the image selector 70 to the c terminal. The image data, which is extended and outputted, is input to the communication unit 80 through the c terminal of the image selection unit 70. Accordingly, the communication unit 80 performs packetization on uncompressed digital image data. The address of an external display device is transposed and transmitted to an external display device (PC, etc.) connected and connected via a LAN.

As described above, the external display device connected and connected to the plurality of surveillance video recording and reproducing apparatuses outputs the recorded video inputted from the surveillance video recording and reproducing apparatus, and causes the management operator to view the financial transaction. The recorded surroundings of the terminal can be checked at a remote location. If the external display device is equipped with an overview card that provides a screen splitting function, recording multiple surveillance images on a single display device. The playback screen of the playback device can be viewed simultaneously.

In the external display device, an image stored in the hard disk 20 in the surveillance video recording and reproducing apparatus may be provided from time to time. For this purpose, a management operator of the external display device may identify a specific image through a LAN connected to the external display device. Requests the storage data of the hard disk 20 to the surveillance video recording and playback apparatus, and accordingly, the control unit 60 connects the image selecting unit 70 to the b terminal and compresses the data stored in the hard disk 20. The digital image data is sequentially read and output through the image selecting unit 70 and the communication unit 80, and the received device decodes the compressed data and extends it, thereby reducing the load on the access network (LAN). Allows the administrator of the device to freely watch previously recorded video on other devices at desired times.

In addition, the surveillance video recording and playback apparatus can also watch the recording contents of another video recording and playback apparatus connected and connected through a LAN, which is also pre-recorded on a hard disk in another surveillance video recording and playback apparatus through the communication unit 80. By receiving and requesting the compressed digital image data, the image expander 30 may decode the video extension device 30 to view a surveillance image of the surrounding situation of another financial transaction terminal through a monitor installed in the financial transaction terminal.

In the configuration of FIG. 2 described above, when the camera is an analog output, the digital converter may be added to the front end of the image compressor 10 to perform the same operation as described above.

Surveillance video recording and playback device providing a communication function according to the present invention configured and operated as described above, the pre-recorded video of a specific surveillance video recording and playback device for recording the surrounding situation of the financial transaction terminal, even from a remote place through a communication network or It is possible to watch the video recorded in real time, so that the management operator of the financial transaction terminal can search a myriad of financial transaction terminals one by one and check the recorded video. As it is possible to easily monitor and confirm the surrounding situation of financial transaction terminals, it is a very useful invention that increases the convenience of the operation of the monitoring device and eliminates unnecessary time waste caused by the movement for monitoring.

Claims (4)

In the monitoring device of a financial transaction terminal, Compression means for compressing and encoding an image photographed from the photographing apparatus in a predetermined manner; Storage means for storing the compressed and encoded digital image data; Decoding means for decoding and storing the stored digital video data into an original video; Communication means connected to an external display device through a communication network to select one of the stored image or the captured image and transmit the selected image to the external display device through the communication network; And In response to a request of the external display device, a video screen stored in a storage means of another surveillance video recording and reproducing apparatus connected and connected through the communication network is received through the communication means, and decoded and reproduced through the decoding means. Surveillance video recording and playback device providing a communication function comprising a control means. The method of claim 1, And said communication means is a connection interface of a local area network (LAN). delete The method of claim 1, And the communication means selects and transmits the stored video or the compressed restored video.

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