KR20120131670A - System and method for transmitting and receiving data of between a/v camera and output unit located in a remote place - Google Patents

Abstract

PURPOSE: A data transmission and reception system between an audio and video camera and an output apparatus and method thereof are provided to offer compatibility with an audio and video camera by transmitting the audio and video signal to an Ethernet interface module of an output apparatus. CONSTITUTION: An audio and video camera(100) obtains an audio and video signal. A transmission apparatus(200) compresses the audio and video signal from the audio and video camera. The transmission apparatus transmits the compressed audio and video signal through an RF(radio frequency) antenna. A reception apparatus(300) routes the received audio and video signal in a packet type. The reception apparatus transmits the audio and video signal to an output apparatus(400) through the Ethernet. The output apparatus outputs the received audio and video signal. [Reference numerals] (AA) Image and voice signal; (BB) Wireless; (CC) Ethernet

Description

System for transmitting / receiving data between camera and remote output device and method thereof {SYSTEM AND METHOD FOR TRANSMITTING AND RECEIVING DATA OF BETWEEN A / V CAMERA AND OUTPUT UNIT LOCATED IN A REMOTE PLACE}

The present invention relates to a system for transmitting and receiving data between an A / V camera and an output device located at a remote location, and more particularly, to compressing video and audio signals of an A / V camera and transmitting them wirelessly. The present invention relates to a technology for transmitting a signal to an output device through an Ethernet interface module and a technology for wirelessly transmitting a voice signal and a control signal from a receiver to a transmitter.

In general, surveillance cameras can be divided into analog output A / V camera and IP camera integrated with functions such as WiFi.

The conventional IP camera is composed of a camera, a camera module, a decoder, an image compression chip, a CPU, a network transmission chip, and the like used by connecting to a wired or wireless Internet. The IP camera is a process of digitizing the analog signal received from the camera module through a decoder, and transmitting the image compressed by the compression chip to a remote place under the control of the network transmission chip.

As described above, such an IP camera provides a network function using IP. However, contrary to the inherent characteristics of IP, the IP camera may cause a video interruption or a deterioration in image quality. Is not suitable for transmission.

In addition, the conventional IP camera is a communication method is always performed through the Ethernet, and is usually configured integrally, it is not possible to interwork with the A / V camera that occupies most of the surveillance camera, it is compatible with the IP camera and AV camera. In addition, there is a problem that it is not possible to recycle additionally installed cameras as well as additional costs.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above problems, and the transmitter compresses the video and audio signals and transmits them through RF wireless communication. The purpose is to transmit large amounts of data quickly and seamlessly.

In addition, it is an object of the present invention, by separately configuring the A / V camera and the transmitter, by facilitating compatibility with the IP camera, the purpose of the recycling of the existing IP camera and to provide a cost saving effect.

The present invention for achieving the technical problem relates to a system for transmitting and receiving data between the A / V camera and the output device located in a remote location, the A / V camera for acquiring and transmitting video and audio signals; A transmitter for compressing the video and audio signals received from the A / V camera and transmitting them through the RF antenna; A receiver for routing the video and audio signals received from the transmitter in the form of packets and transmitting them to the output device via Ethernet; And an output device for outputting a video and audio signal received from the receiver.

In addition, the A / V camera, the video and audio signal acquisition module for acquiring the video and audio signals of the installed place; And an interface module for transmitting the video and audio signals acquired by the video and audio signal acquisition module to the transmitter.

The transmitter may further include a receiving module for receiving a video and audio signal from an A / V camera; a compression module for compressing a video and audio signal received from the receiving module; And an RF transmission module for transmitting the compressed video and audio signals through the RF antenna.

In addition, the receiver, the RF receiving module for receiving the compressed video and audio signals from the transmitter through the RF antenna; And a transmitting module for routing the compressed video and audio signals received from the RF receiving module in the form of packets and transmitting them to the output device via Ethernet. .

In addition, the output device, Ethernet interface module for receiving a compressed video and audio signal from the receiver; A decompression module receiving a compressed video and audio signal from an Ethernet interface module and decompressing the compressed video and audio signal; And an output module configured to output the decompressed video and audio signals from the decompression module.

The wireless communication scheme of the transmitter and the receiver includes a BCDMA scheme, a W-Lan scheme, and a wireless scheme capable of receiving and receiving other multimedia data.

On the other hand, the present invention relates to a method for transmitting and receiving data between the A / V camera and an output device located in a remote location, the process of (a) the A / V camera acquires the video and audio signals to the transmitter; (B) the transmitter compressing the video and audio signals received from the A / V camera and transmitting them through the RF antenna; (C) transmitting, by the receiver, the video and audio signals received from the transmitter in the form of packets and transmitting them to the output device through Ethernet; (D) the output device receiving the compressed video and audio signals from the receiver to decompress and output the compressed video and audio signals; .

In addition, the step (a), (a-1) acquiring the video and audio signals where the A / V camera is installed; And (a-2) transmitting the video and audio signals acquired by the A / V camera.

In addition, the step (b), the step (b-1) the transmitter receives the video and audio signals from the A / V camera; (B-2) compressing the video and audio signals received by the transmitter; And (b-3) transmitting a compressed video and audio signal through an RF antenna.

In addition, the process (c), the receiver receives the compressed video and audio signals from the transmitter via the RF antenna (c-1); And (c-2) by the receiver routing the compressed video and audio signals in the form of a packet to an output device through Ethernet.

And, (d) step, the output device receives the compressed video and audio signal from the receiver (d-1); (D-2) decompressing the video and audio signals received by the output device; And (d-3) outputting, by the output device, the decompressed video and audio signals.

According to the present invention as described above, the transmitter compresses the video and audio signals and transmits them through RF wireless communication, and the video and audio signals received by the receiver are routed (selecting a path for transmitting communication data) to the Ethernet interface module of the output device. By transmitting to the camera, it is easy to be compatible with existing A / V cameras, easy to expand with new cameras, and Ethernet linkage with existing DVRs and smart TVs through received video and audio signals.

In addition, according to the present invention, by transmitting the video and audio signals transmitted and received in the form of a packet in a packet form in a communication method capable of multimedia communication, including BCDMA, there is an effect of transmitting a large amount of data quickly and seamlessly.

1 is an overall configuration diagram of a data transmission / reception system between an A / V camera and an output device located at a remote location according to the present invention.
2 is a block diagram of an A / V camera of a data transmission / reception system between an A / V camera and an output device located at a remote location according to the present invention.
3 is a block diagram of a transmitter of a data transmission / reception system between an A / V camera and an output device located at a remote location according to the present invention.
4 is a block diagram of a receiver of a data transmission / reception system between an A / V camera and an output device located at a remote location according to the present invention.
5 is a block diagram of an output device of a data transmission and reception system between an A / V camera and an output device located at a remote location according to the present invention.
6 is a flowchart of a data transmission / reception method between an A / V camera and an output device located at a remote location according to the present invention.
7 is a detailed flowchart of a step S10 of a method for transmitting / receiving data between an A / V camera and an output device located at a remote location according to the present invention;
8 is a detailed flowchart of step S20 of a method for transmitting and receiving data between an A / V camera and an output device located at a remote location according to the present invention;
9 is a detailed flowchart of step S30 of a method for transmitting / receiving data between an A / V camera and an output device located at a remote location according to the present invention;
10 is a detailed flowchart of process S40 of a method for transmitting / receiving data between an A / V camera and an output device located at a remote location according to the present invention.

Specific features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings. Prior to this, terms and words used in the present specification and claims are to be interpreted in accordance with the technical idea of the present invention based on the principle that the inventor can properly define the concept of the term in order to explain his invention in the best way. It should be interpreted in terms of meaning and concept. It is to be noted that the detailed description of known functions and constructions related to the present invention is omitted when it is determined that the gist of the present invention may be unnecessarily blurred.

Hereinafter, a data transmission / reception system between an A / V camera and an output device located at a remote location and a method thereof according to the present invention will be described in detail. 1 is an overall configuration diagram of a data transmission / reception system between an A / V camera and an output device located at a remote location according to the present invention.

As shown in FIG. 1, a data transmission / reception system S between an A / V camera and an output device located at a remote location according to the present invention includes an A / V camera 100, a transmitter 200, a receiver 300, and an output device ( 400).

First, as shown in FIG. 2, the A / V camera 100 obtains an image and an audio signal and transmits the image and audio signal to the transmitter 200, and includes an image and audio signal acquisition module 110 and an interface module 120. It is configured by.

In detail, the video and audio signal acquisition module 110 acquires the video and audio signals where it is installed, and the interface module 120 transmits the video and audio signals acquired by the video and audio signal acquisition module 110 to the transmitter 200. Performs a function of transmitting to the receiving module 210.

In addition, as shown in FIG. 3, the transmitter 200 compresses the video and audio signals received from the A / V camera 100 and transmits them through an RF antenna (antenna having a beam formed only at a specific azimuth angle). To perform, but comprises a receiving module 210, the compression module 220 and the RF transmission module 230.

In detail, the receiving module 210 receives the video and audio signals from the interface module 120 of the A / V camera 100, and the compression module 220 receives the video and audio received by the receiving module 210. The signal is applied and compressed.

The RF transmission module 230 receives the compressed video and audio signals from the compression module 220 and transmits the received video and audio signals to the receiver 300 through the RF antenna.

Meanwhile, referring to FIG. 4, the receiver 300 of the data transmission / reception system S between an A / V camera and an output device located at a remote location according to the present invention will be described below.

The receiver 300 performs a function of routing the packet in the form of a packet (selecting a path to transmit communication data) without transmitting the decompression of the video and audio signals received from the transmitter 200 and transmitting the result to the output device 400 through Ethernet. It is configured to include a receiving module 310 and a transmitting module 320.

In detail, the RF receiving module 310 receives the compressed video and audio signals received from the RF transmitting module 230 of the transmitter 200 through the RF antenna.

In addition, the transmission module 320 routes the compressed video and audio signals received from the RF reception module 310 in the form of packets and transmits them to the Ethernet interface module 410 of the output device 400 through Ethernet.

On the other hand, the wireless communication between the transmitter 200 and the receiver 300 is an RF wireless communication for transmitting an image through an RF antenna in a wireless communication method including binary CDMA (hereinafter, 'BCDMA') method, received in the BCDMA method. Although the signal is routed in the form of a packet and transmitted through Ethernet, or the compressed and transmitted data is transmitted in the form of a packet and transmitted through Ethernet without decompression at the receiver. Without being limited, the wireless communication method of the transmitter 200 and the receiver 300 may be set to a packet communication method such as a W-Lan method.

Meanwhile, while the transmitter 200 transmits an image and an audio signal to the receiver 300, the receiver 300 may transmit an audio signal and a control signal to the transmitter 200. That is, the transmitter and the receiver may perform bidirectional communication through the RF antenna.

And, with reference to Figure 5 when looking at the output device 400 of the data transmission and reception system (S) between the A / V camera and the output device located in a remote location as follows.

The output device 400 receives the compressed video and audio signals from the receiver 300 and decompresses and outputs the compressed signals. The Ethernet interface module 410, the decompression module 420, and the output module 430 are provided. It includes.

In detail, the Ethernet interface module 410 receives the compressed video and audio signals from the transmission module 320 of the receiver 300. Here, the Ethernet interface module 410 performs a function of providing interworking between hardware and software constituting one system or a plurality of systems.

In addition, the decompression module 420 receives the compressed video and audio signals from the Ethernet interface module 410 and decompresses the compressed video and audio signals.

The output module 430 outputs the decompressed video and audio signals from the decompression module 420.

Hereinafter, a method of transmitting and receiving data between an A / V camera and an output device located at a remote location according to the present invention will be described with reference to FIG. 6.

First, the video and audio signals of the A / V camera 100 is installed and transmitted to the transmitter 200 (S10).

Subsequently, the transmitter 200 compresses the video and audio signals received from the A / V camera and transmits them through the RF antenna (S20).

Subsequently, the receiver 300 routes the video and audio signals received from the transmitter 200 in the form of packets without decompression and transmits them to the output device 400 through Ethernet (S30).

Then, the output device 400 decompresses and outputs the video and audio signals received from the receiver 300 (S40).

Specifically, referring to FIG. 7, a detailed process of step S10 of a method of transmitting / receiving data between an A / V camera and an output device located at a remote location will be described below.

First, a video and audio signal where the video and audio signal acquisition module 110 of the A / V camera 100 is installed is acquired (S11).

The interface module 120 of the A / V camera 100 transmits the video and audio signals acquired from the video and audio signal acquisition module 110 to the transmitter 200 (S12).

In addition, referring to FIG. 8, a detailed process of step S20 of the method of transmitting / receiving data between an A / V camera and an output device located at a remote location will be described below.

After the S10 process, the receiving module 210 of the transmitter 200 receives the video and audio signals from the interface module 120 of the A / V camera 100 (S21).

Subsequently, the compression module 220 of the transmitter 200 receives and compresses the video and audio signals from the receiving module 210 (S22).

Subsequently, the RF transmission module 230 of the transmitter 200 transmits the compressed video and audio signals to the receiver 300 through the RF antenna (S23).

In addition, referring to FIG. 9, a detailed process of step S30 of the method of transmitting / receiving data between an A / V camera and an output device located at a remote location will be described below.

After the step S20, the RF receiving module 310 of the receiver 300 receives the compressed video and audio signals transmitted by the RF transmitting module 230 of the transmitter 200 through the RF antenna (S31).

Subsequently, the transmission module 320 of the receiver 300 routes the video and audio signals received from the RF reception module 310 in the form of packets (selects a path to transmit communication data) to the output device 400 through Ethernet. Transmission to the Ethernet interface module 410 (S32).

In addition, referring to FIG. 10, a detailed process of step S40 of the method for transmitting / receiving data between an A / V camera and an output device located at a remote location will be described below.

After operation S30, the Ethernet interface module 410 of the output device 400 receives the compressed video and audio signals from the transmission module 320 of the receiver 300 (S41).

Subsequently, the decompression module 420 of the output device 400 decompresses the video and audio signals received by the Ethernet interface module 410 (S42).

Subsequently, the output module 430 of the output device 400 outputs the decompressed video and audio signals from the decompression module 420 (S43).

While the present invention has been particularly shown and described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. It will be appreciated by those skilled in the art that numerous changes and modifications may be made without departing from the invention. And all such modifications and changes as fall within the scope of the present invention are therefore to be regarded as being within the scope of the present invention.

S: Data transmission / reception system between A / V camera and output device located in remote place
100: A / V camera 110: video and audio signal acquisition module
120: interface module 200: transmitter
210: receiving module 220: compression module
230: RF transmission module 300: receiver
310: RF receiving module 320: transmitting module
400: output device 410: Ethernet interface module
420: decompression module 430: output module

Claims (12)

In the data transmission and reception system between the A / V camera and the output device located at a remote location,
An A / V camera 100 for acquiring video and audio signals and transmitting the same to the transmitter 200;
A transmitter 200 for compressing the video and audio signals received from the A / V camera 100 and transmitting them through an RF antenna;
A receiver (300) for routing the video and audio signals received from the transmitter (200) in the form of packets and transmitting them to the output device (400) via Ethernet; And
An output device 400 for outputting video and audio signals received from the receiver 300; Data transmission and reception system between the A / V camera and an output device located in a remote location.
The method of claim 1,
The A / V camera 100,
A video and audio signal acquisition module 110 for acquiring video and audio signals of an installed place; And
An interface module 120 for transmitting the video and audio signals acquired by the video and audio signal acquisition module 110 to the transmitter 200; Data transmission and reception system between the A / V camera and an output device located in a remote location.
The method of claim 1,
The transmitter 200,
Receiving module 210 for receiving a video and audio signal from the A / V camera 100;
A compression module 220 for compressing the video and audio signals received from the receiving module 210; And
An RF transmission module 230 for transmitting the compressed video and audio signals through the RF antenna; Data transmission and reception system between the A / V camera and an output device located in a remote location.
The method of claim 1,
The receiver 300,
An RF receiving module 310 for receiving a compressed video and audio signal from the transmitter 200 through an RF antenna; And
A transmission module 320 for routing the compressed video and audio signals received from the RF receiving module 310 in the form of packets to transmit to the output device 400 through Ethernet; Data transmission and reception system between the A / V camera and an output device located in a remote location.
The method of claim 1,
The output device 400,
An Ethernet interface module 410 for receiving a compressed video and audio signal from the receiver 300;
A decompression module 420 that receives the compressed video and audio signals from the Ethernet interface module 410 and decompresses the compressed video and audio signals; And
An output module 430 for outputting a decompressed video and audio signal from the decompression module 420; Data transmission and reception system between the A / V camera and an output device located in a remote location.
The method of claim 1,
The wireless communication method of the transmitter 200 and the receiver 300,
A data transmission / reception system between an A / V camera and an output device located at a remote location, including a BCDMA method and a W-Lan method.
The method of claim 1,
The transmitter 200 transmits an image and an audio signal to the receiver 300 and the receiver 300 transmits an audio signal and a control signal to the transmitter 200; Data transmission and reception system between output devices located at remote locations.
In the data transmission and reception method between the A / V camera and the output device located at a remote location,
(a) the A / V camera 100 acquiring the video and audio signals and transmitting the same to the transmitter 200;
(b) the transmitter 200 compressing the video and audio signals received from the A / V camera 100 and transmitting them through an RF antenna;
(c) a process in which the receiver 300 routes the video and audio signals received from the transmitter 200 in the form of packets and transmits them to the output device 400 through Ethernet; And
(d) the output device 400 receiving the compressed video and audio signals from the receiver 300 to decompress and output the compressed video and audio signals; Data transmission and reception method between the A / V camera and an output device located in a remote location.
The method of claim 8,
In the step (a)
(a-1) acquiring the video and audio signals where the A / V camera 100 is installed; And
(a-2) transmitting the video and audio signals acquired by the A / V camera; Data transmission and reception method between the A / V camera and an output device located in a remote location.
The method of claim 8,
The step (b)
(b-1) receiving the video and audio signals from the A / V camera 100 by the transmitter 200;
(b-2) compressing the video and audio signals received by the transmitter 200; And
(b-3) the transmitter 200 transmitting the compressed video and audio signals through an RF antenna; Data transmission and reception method between the A / V camera and an output device located in a remote location.
The method of claim 8,
The step (c)
(c-1) the receiver (300) receiving a compressed video and audio signal from the transmitter (200) through an RF antenna;
(c-2) the receiver 300 routing the compressed video and audio signals in the form of a packet and transmitting them to the output device 400 through Ethernet; Data transmission and reception method between the A / V camera and an output device located in a remote location.
The method of claim 8,
The step (d)
(d-1) receiving the compressed video and audio signals from the receiver (300) by the output device (400);
(d-2) decompressing the video and audio signals received by the output device 400; And
(d-3) outputting the decompressed video and audio signals by the output device 400; Data transmission and reception method between the A / V camera and an output device located in a remote location.

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