System for transmitting in digital AV wireless frequency-extending region

A wireless spread spectrum and regional transmission technology, applied in the field of transmission system, can solve problems such as large bandwidth, high efficiency and high-definition video cannot be guaranteed

Inactive Publication Date: 2007-09-05
SHUNPU ELECTRONICS NANJING
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

At the same time, the video signal is an analog signal with a large bandwidth, and

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  • System for transmitting in digital AV wireless frequency-extending region
  • System for transmitting in digital AV wireless frequency-extending region
  • System for transmitting in digital AV wireless frequency-extending region

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[0016] The present invention will be further described below with reference to the drawings and embodiments.

[0017] The digital AV wireless spread spectrum area transmission system is a new type of system that uses a wireless channel with a frequency of 2.4 GHz to transmit digitally compressed images and audio.

[0018] The design goal and function of the product system developed by the present invention are: adopting advanced wireless spread spectrum broadband digital transmission technology and digital MPEG2 coding technology of analog AV signals to realize wireless transmission and reception of MPEG2 digital AV signals in a small area.

[0019] Aiming at the development trend of wireless broadband multimedia communication applications in small areas, the present invention has created and completed the design work of the overall technical scheme of the digital AV wireless spread spectrum area transmission system product system.

[0020] As shown in FIG. 1, it is a schematic di...

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Abstract

The system comprises: an audio/video signal source, a first transceiver, a second transceiver and an audio/video terminal. Said audio/video signal source makes A/D conversion for audio/video signals and sends them to the first transceiver that transmits the received audio/video signals to the second transceiver by using wireless way; the second transceiver makes D/A conversion for the received signals and sends them to the audio/video terminal.

Description

technical field [0001] The present invention relates to a transmission system, more specifically, the present invention relates to a digital AV wireless spread spectrum area transmission system. Background technique [0002] In the original home and production environments, the use of video terminals needs to connect signals through wired cables, that is, the location of video reception is restricted by the location of video signal sources. At the same time, the video signal is an analog signal with a large bandwidth, and wireless transmission can hardly guarantee high-efficiency and high-definition video. [0003] With the development of digital TV technology and wireless transmission technology, the digital application of home audio-visual equipment has become possible. In terms of display methods, technological breakthroughs in the application of large-screen, light and thin, and flat-panel displays have changed the application form of TV terminals from huge and heavy to...

Claims

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Application Information

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IPC IPC(8): H04N7/24H04N7/26H04N5/44H04N19/00
Inventor 陈晓曙魏建刚凌涛
Owner SHUNPU ELECTRONICS NANJING
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