KR20000065502A - Apparatus for transferring remote video - Google Patents

Abstract

PURPOSE: A remote image transmission device is provided to make a security and a monitoring effect by using a cordless telephone, and performs image processing about various image data at a remote position. CONSTITUTION: A remote image transmission device includes a camera(1), a speaker(3), a sensor(4), a lamp(5), and alarm(6), a video capture and audio I/O part(10), a data processor(20), a radio data transmitter(30), a wire data transmitter(40), and a remote monitoring computer(90). The sensor senses a fire generation, an intrusion detection, and gas detection, and inputs a sensor control signal. The video capture and audio I/O part supports many camera channels, supports many sensor inputs, receives analog image signal and analog audio signal, and captures audio and video. The data processor compresses a digital image signal, controls a peripheral device and modem, and provides a digital data packet. The radio data transmitter receives a digital data packet being a monitored area information when cutting a cable line path, and transmits a RF data having a remote-area information of a monitored area by using a cordless telephone or CDMA(Code Division Multiple Access) modem. The wire data transmitter receives a digital data packet, and transmits a cable data by using a telephone network modem. The remote monitoring computer monitors and controls an image, an audio, and a control data. Therefore, although a PSTN(Public Switched Telephone Network) cable is cut off, an image and data can be controlled at a remote position by using a cordless telephone and CDMA modem.

Description

Remote image transfer device {Apparatus for transferring remote video}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a remote image transmission apparatus, and more particularly, to a remote image transmission apparatus used for security equipment for monitoring an image of an area requiring remote and near field surveillance and supervision.

In general, in order to observe the image remotely, the image of the monitored area is photographed by a camera and observed through a video monitor, and at the same time using a screen splitting device to monitor the image of several regions, By dividing the screen of the monitored area, you can observe several monitored areas.

In order to detect an image of a remote area, an analog image signal is converted into a digital image signal, and then, by using a data transmission modem, the image signal is transmitted to other areas of the remote area by wire.

However, the method of transmitting the video signal from the camera directly to the monitor is not possible to transmit the remote image due to the attenuation and deterioration of the image signal, and to transmit the image signal to the wire through a public telephone network (PSTN) using a modem. In case of intrusion after cutting the telephone line, it is impossible to detect remotely by cutting the transmission line, which may cause damage such as theft of security equipment due to disconnection, etc. There is a problem that the image transmission speed of the surveillance area is too slow.

The present invention has been made to solve the above-mentioned problems of the prior art, an object of the present invention is to use a wireless telephone and a CDMA modem in case of emergency when the telephone line is disconnected during the transmission of image data using the telephone line of the telephone network. It can transmit image data of surveillance area, and can easily monitor anywhere regardless of installation and distance, and can conveniently manage multiple detected images and image data remotely and provide high speed data transmission. Provided is a remote image transmission apparatus supporting compression of image data.

1 is an internal system configuration diagram of a remote image transmission device according to the present invention.

<Explanation of symbols for main parts of drawing>

1: camera 2: microphone

3: speaker 4: sensor

5: lighting 6: alarm

11: video decoder 12: video memory

13: voice encoder 14: voice decoder

15: input and output unit 10: video capture and audio input and output unit

20: data processing unit 21: central processing unit (CPU)

22: main memory 30: wireless data transmission unit

31: RS232C interface unit 32: wireless telephone

37: CDMA modem 40: wired data transmission unit

41: PSTN Modem 42: ISDN Modem

90: remote monitoring computer 100: remote image transmission device

PSTN: Public Switched Telephone Network

ISDN: Integrated Service Digital Network

CDMA: Code Division Multiple Access

In order to achieve the above object, the present invention provides a camera for inputting an analog video signal of a surveillance region, a microphone for inputting an analog audio signal, a speaker for outputting an analog audio output signal, fire detection, intrusion detection and gas detection. In the remote image transmission system having a sensor for detecting and inputting a sensor control signal, an illumination for outputting and lighting an illumination control signal, and an alarm for outputting an alarm control signal to provide an alarm sound,

It supports a plurality of camera channels and supports a plurality of sensor inputs to monitor various areas to be monitored, and captures video and audio by receiving the analog video signal, the analog audio signal, and the sensor control signal. It provides a digital video signal, a digital audio signal and the sensor control signal stored in a memory, and receives the digital audio output signal, the illumination control signal and the alarm control signal to control input and output to the analog audio output signal and the illumination control signal. And a video capture and audio input / output unit for outputting the alarm control signal. A data processor for receiving the signals output from the video capture and audio input / output unit, compressing and storing the digital video signal, controlling a peripheral device, and controlling a modem to provide a digital data packet; In order to transmit the information of the area to be monitored when cutting the wire line of a public telephone network or a general information communication network, the digital data packet is received and wireless data including remote site information of the area to be monitored is transmitted by using a wireless telephone or a CDMA modem. Wireless data transmission unit for; A wired data transmitter for receiving the digital data packet and transmitting wired data including remote location information of the monitored area using the wired line; And a laptop equipped with a modem capable of connecting to the public telephone network for portable monitoring regardless of the observation place and time, and a computer having a modem capable of connecting to the public telephone network, wherein the wired data, the wireless data and By receiving the wireless telephone data and simultaneously using the monitoring software, image data of several monitored areas can be screen-divided, recorded, edited, and searched at a long distance, and processed into digital images, voice information is managed, and from the sensor. And a remote monitoring computer capable of knowing the fire detection, the intrusion detection and the gas leak detection, and providing the illumination control signal and the alarm control signal.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. 1 is an internal system configuration diagram of a remote image transmission device according to the present invention.

The system using the remote image transmission apparatus 100 includes a camera 1, a microphone 2, a speaker 3, a sensor 4, an illumination 5, an alarm 6, a video capture and an audio input / output unit 10. ), A data processor 20, a wireless data transmitter 30, a wired data transmitter 40, and a remote monitoring computer 90.

The remote image transmission device 100 includes a video capture and audio input / output unit 10 and a data processing unit 20.

The video capture and audio input / output unit 10 supports six camera input channels for monitoring the surveillance target area in several places, color adjustment of each channel, six sensor inputs and input / output units 15. ) Supports four relay outputs to control lighting, alarm control and camera pen tilt.

The camera 1 provides an analog video signal of the surveillance region, the microphone 2 provides an analog audio signal of the surveillance region, and the speaker 3 outputs an analog audio output signal.

The sensor 4 detects fire detection, intrusion detection and gas detection and inputs a sensor control signal, and the illumination 5 outputs an illumination control signal to form the detection target area, and the alarm 6 Output alarm control signal to make alarm sound.

The video capture and voice input / output unit 10 includes a video decoder 11, a video memory 12, a voice encoder 13, a voice decoder 14, and an input / output unit 15.

The video decoder 11 supports a plurality of camera channels in order to monitor the area to be monitored, and receives the analog video signal from the camera 1 to capture video to capture video of each camera channel. Provide color adjustment and the digital video signal.

The video memory 12 receives and stores the digital video signal and provides the stored digital video signal at the request of the CPU 21.

The voice encoder 13 receives and encodes the analog voice signal to provide the compressed digital voice signal.

The voice decoder 14 receives the decoded digital voice signal, decodes and restores it, and provides the analog voice output signal to the speaker 3.

The input / output unit 15 controls the input / output of the sensor control signal, the illumination control signal, and the alarm control signal. The input / output unit 15 may attach and use various functions such as an input of the sensor 4, a relay output, a camera pen tilt control, an illumination control, and an alarm, and automatically operate when the sensor 4 operates. The video signal can be stored in the remote monitoring computer 90 of the monitoring station and the data can be reduced by using a data compression technique to transmit a maximum of 10 frames when the 33,600 bps modem is used.

The data processing unit 20 is composed of a CPU 21 and a main memory 22.

The CPU 21 receives the digital image signal, the digital audio signal, and the sensor control signal stored in the video memory, and receives the digital audio output signal, the illumination control signal, and the alarm control signal from the video capture and audio input / output unit. And provide the digital data packet to the wireless data transmitter 30 and the wired data transmitter 40 to control the modem by compressing, storing, and controlling a peripheral device. do.

After converting the analog video signal of the camera 1 into a digital video signal, the amount of digital data is reduced by using a data compression method for high speed image transmission to a slow telephone network.

The main memory 22 stores various signals of the CPU 21 in a memory.

The wireless data transmission unit 30 is composed of an RS232C interface unit 31, a wireless telephone 32, and a CDMA modem 37.

The wireless data transmission unit 30 receives the digital data packet in order to transmit the information of the area to be monitored when the wired line of the public telephone network (PSTN) or the integrated information communication network (ISDN) is disconnected, and receives the digital data packet. Use to transmit wireless data including the remote location information of the monitored area.

The RS232C interface unit 31 transmits and receives the digital data packet using a serial interface for serial communication.

The wireless telephone 32 includes the RS232C port and is connected to the RS232C interface unit 31 to receive the digital video signal, the digital audio signal, and various control signals including the remote location information of the surveillance region. The wireless telephone data is transmitted to the remote monitoring computer 90 through.

The CDMA modem 37 receives the digital video signal, the digital audio signal, and various control signals including the remote location information of the surveillance region to the remote monitoring computer 90 through a personal mobile communication (PCS) network. Transmit wireless data.

The wired data transmitter 40 is composed of a PSTN modem 41 and an ISDN modem 42.

The PSTN modem 41 or the ISDN modem 42 receives the digital video signal, the digital audio signal, and various control signals including remote location information of the surveillance region, and the public telephone network (PSTN) and the integrated information communication network. The wired data including the remote location information of the monitored area is transmitted to the remote monitoring computer 90 through ISDN. The digital image transmission uses a modem of 33.6 kbps or more to transmit to the remote monitoring computer 90 at a transmission rate of 10 image / sec through compression.

The remote monitoring computer 90 includes a laptop equipped with a modem connected to the public switched telephone network (PSTN) that can be monitored in a portable manner regardless of the observation place and time, and a computer having a modem connected to the public switched telephone network (PSTN). Image data of the wired data, wireless data, and wireless telephone data can be received and screened, recorded, edited, and searched at a distance from image data of several monitored areas simultaneously using monitoring software. This makes it possible to process digital images, manage voice information, know the fire detection, the intrusion detection and the gas leak detection from the sensor 4 and provide the illumination control signal and the alarm control signal.

The monitoring software in the remote monitoring computer 90 can be used in Windows 95/98 / NT and can monitor multiple monitored areas at the same time using Windows and at any time using a laptop or laptop. Regardless of the fire detection, the intrusion detection and the detection by the partial magnification of the image from the remote image transmission device 100, the print function, the image storage function, the sensor control signal received from the sensor 4 A gas leak detection function and an alarm and lighting control function to the input / output unit 15 are performed.

The remote image transmission apparatus 100 supports NTSC / PAL video format, has six video input channels, and digital I / O includes six sensor inputs and illuminations at the input / output unit 15. Provides hardware specifications such as four relay outputs for alarm and camera pen tilts. Image format supports resolutions up to 720x480 (NTSC), 720x576 (PAL) and 16 million true color High quality JPEG compression ratio, and the image transmission has a performance of 10 image / sec of video rate per second of compressed digital video signal through 33.6kbps modem.

Therefore, when the image data of the area to be monitored is normally transmitted using a wired telephone network using the remote image transmission apparatus 100, and the line is paralyzed by disconnection of the telephone line, the transmission is performed by using a wireless telephone. Cope with accidents Since the video signal of the area to be monitored is transmitted to the wired telephone network, it is easy to install anywhere and can be monitored anywhere without being restricted by distances such as domestic and overseas.

As described above, the remote image transmission apparatus according to the present invention uses the public telephone network so that the installation of the device is simple and can be monitored at a remote monitoring station. Powerful security and surveillance is available by phone, where banks' automatic teller machines (ATMs) are installed, home security sites, public buildings, intruder detection, It is possible to screen, record, edit and search image data of various monitored areas such as traffic monitoring and water level monitoring in dams, and process it as digital image. There is no risk of deterioration, and the surveillance area can be safely moved to the remote monitoring computer using the remote image transmission device. There is a measurable effect.

Although the above has been described with reference to the preferred embodiments of the present invention, those skilled in the art will be able to variously modify and change the present invention without departing from the spirit and scope of the invention as set forth in the claims below. It will be appreciated.

Claims (5)

Camera (1) for inputting analog video signal of surveillance area, microphone (2) for inputting analog audio signal, speaker (3) for outputting analog audio output signal, fire detection, intrusion detection and gas detection A remote image transmission system having a sensor 4 for sensing and inputting a sensor control signal, an illumination 5 for outputting an illumination control signal, and an alarm 6 for outputting an alarm control signal and providing an alarm sound. In It supports a plurality of camera channels and supports a plurality of sensor inputs to monitor the monitored area in various places, and captures video and audio by receiving the analog video signal, the analog audio signal, and the sensor control signal. It provides a digital video signal, a digital audio signal and the sensor control signal stored in a memory, and receives the digital audio output signal, the illumination control signal and the alarm control signal to control input and output to the analog audio output signal and the illumination control signal. And a video capture and audio input / output unit 10 for outputting the alarm control signal. A data processor (20) for receiving the signals output from the video capture and audio input / output unit (10), compressing and storing the digital video signal, controlling a peripheral device, and controlling a modem to provide a digital data packet; In order to transmit the information of the area to be monitored when cutting a wire line of a public telephone network (PSTN) or an integrated information communication network (ISDN), the digital data packet is received and remote information of the area to be monitored using a wireless telephone or a CDMA modem. A wireless data transmitter 30 for transmitting wireless data including; A wired data transmitter (40) for receiving the digital data packet and transmitting wired data including remote location information of the monitored area using the wired line; And A laptop equipped with a modem capable of connecting to the public switched telephone network (PSTN) that can be monitored at any time and a place of observation, and a computer having a modem connected to the public telephone network are used. It is possible to screen, record, edit, and search the video data of several areas to be monitored at a time by remotely using data and the wireless telephone data to process digital images and manage voice information. A remote monitoring computer 90 capable of knowing the fire detection, the intrusion detection and the gas leak detection from the sensor 4 and for providing the illumination control signal and the alarm control signal. Image transmission device. The method of claim 1, The video capture and voice input and output unit 10 Supporting a plurality of camera channels to monitor a plurality of areas to be monitored, and receiving the analog video signal from the camera 1 to capture video to provide color adjustment of each camera channel and the digital video signal A video decoder 11 for; A video memory (12) for receiving and storing the digital video signal and providing the stored digital video signal at the request of the CPU (21); A voice encoder (13) for receiving and encoding the analog sound signal to provide the compressed digital voice signal; A voice decoder (14) for receiving the decoded digital voice signal, decoding and restoring the same, and providing the analog voice output signal to the speaker (3); And And an input / output unit (15) for inputting and outputting the sensor control signal, the illumination control signal, and the alarm control signal. The method of claim 1, The data processor 20 Receive the digital image signal, the digital audio signal, and the sensor control signal stored in the video memory, and provide the digital audio output signal, the illumination control signal, and the alarm control signal to the video capture and audio input / output unit 10; And a central processing unit (CPU) for compressing the digital video signal and providing the digital data packet to the wireless data transmitter 30 and the wired data transmitter 40 to control a modem by controlling a peripheral device. (21); And And a main memory (22) for storing various signals of the central processing unit (21). The method of claim 1, The wireless data transmitter 30 An RS232C interface unit 31 for transmitting and receiving the digital data packet using an interface for serial communication; It includes the RS232C port, is connected to the RS232C interface unit 31 for receiving the digital video signal, the digital audio signal and various control signals including the remote location information of the monitored area for the remote monitoring via a wireless telephone network A radiotelephone (32) for transmitting the radiotelephone data to a computer (90); And For receiving the digital video signal, the digital audio signal and various control signals including the remote location information of the surveillance region, and transmitting the wireless data to the remote monitoring computer 90 through a personal digital communication (PCS) network. A remote image transmission device, comprising: a CDMA modem (37). The method of claim 1, The wired data transmission unit 40 PSTN for receiving the digital video signal, the digital audio signal and various control signals including the remote location information of the surveillance region to transmit the wired data to the remote monitoring computer 90 through the public telephone network (PSTN). Modem 41; And For receiving the digital video signal, the digital audio signal and various control signals including the remote location information of the surveillance region to transmit the wired data to the remote monitoring computer 90 through the integrated information communication network (ISDN). Remote image transmission device, characterized in that consisting of the ISDN modem (42).