Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Quiet controller of video output on optic disc device

A technology of video output and squelch control, which is applied in the direction of TV, color TV, parts of color TV, etc., and can solve the problems of harmful electromagnetic waves and other problems of human body

Inactive Publication Date: 2007-06-27
LEJIN GUANGDIAN ELECTRONIC CO LTD SHANGHAI
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, among the several output interfaces included in the RCA socket, even if the output interface is not connected with an external connection device, since the video signal can be output to the outside through the output interface, there may be unnecessary The problem of electromagnetic waves harmful to the human body

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Quiet controller of video output on optic disc device
  • Quiet controller of video output on optic disc device
  • Quiet controller of video output on optic disc device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] The ideal embodiment of the squelch control device for video output on the optical disc device based on the present invention will be described in detail below with reference to the accompanying drawings.

[0022] First of all, the video output squelch control device based on the present invention is applicable to various types of optical disk equipment such as DVD player (DVD-Player) or DVD recorder (DVD-Recorder). For example, as shown in FIG. 2 , the optical disc device includes a video decoder chip 20 , a video squelch circuit 21 , an RCA socket, a connection detection unit 23 and the like.

[0023] On the other hand, the video squelch circuit 21 is composed of several squelch sections (for example: M1, M2, M3) that can switch the squelch action independently. With reference to Fig. 1 and the previous description, on the video decoder chip 20, after the MPEG video data stream read and reproduced from DVD and other optical discs is decoded into digital video data, th...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to the method for mute-controlling of the output on the CD Video, which includes: a decoder-chip decodes the MPEG video data into video data, then it processes the data into analog video signals, and the connecting sockets outputs different analog video signals respectively to the external equipments, and a detector detects whether the several video output-interfaces are connected with the external equipments, and a Muting Circuit carries out mute-signal processing on the signals of the video output interface which is not connected to the external equipments. The invention detects any one of video output-interfaces in the DVD players or DVD video recorders, for instance the output interface components, the S-Video output interface and composite output interface which is not connected to the external equipments as television, meanwhile, it selectively controls the video output mute in order to effectively prevent the occurrence of poisonous unnecessary electromagnetic waves.

Description

technical field [0001] The present invention relates to a video output squelch control device on an optical disc device, in particular to a video output squelch control device for selectively controlling the video output mute (Mute) action. It can prevent the video signal from being output through any one of the several video output interfaces included in the RCA socket of the optical disc equipment such as DVD player (DVD-Player) which is not connected with external connection equipment such as TV. Background technique [0002] In general, optical disc devices such as DVD players (DVD-Player) capable of reproducing high-quality video data and high-quality audio data for a long period of time have been widely used. For example, as shown in FIG. 1 , the DVD player includes a video decoder chip 10 , a video squelch circuit 11 , and an RCA socket 12 . [0003] On the other hand, on the video decoder chip 10, the MPEG video data stream read and reproduced from DVD and other opt...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): H04N5/911G11B20/24
Inventor 朴胜震
Owner LEJIN GUANGDIAN ELECTRONIC CO LTD SHANGHAI
Features
  • Generate Ideas
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com