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摘要:本发明公开了一种数字电视频道控制芯片,它涉及数字电视领域中卫星数字电视接收机非授权节目频道接收安控芯片。它由缓存器、工作模式选择器、密码识别器、电视台名识别器、辅助控制器、过滤器、参数存储器等部件组成。它是根据电视节目台名或台标信息判断是否为授权接收的电视节目,实现卫星电视广播授权节目的控制接收。且本发明还具有控制准确性高,性能可靠,成本低廉,电路结构简单,体积小,制造使用简便等特点。本发明特别适用于具有非授权节目抑制的卫星数字电视接收机作安全控制芯片。
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Abstract: The present invention discloses one kind of digital TV channel control chip, and relates to the safety control chip for satellite digital TV receiver to receive non-authorized program channel in digital TV field. The digital TV channel control chip consists of buffering memory, work mode selector, cipher distinguisher, TV name distinguisher, auxiliary controller, filter, parameter storage and other parts. It judge whether to be authorized receiving program based on the TV station name or TV station mark information to realize the control receiving of satellite TV broadcasting program. The present invention has the features of accurate control, reliable performance, low cost, simple circuit structure, etc. and is especially suitable for safety control of non-authorized program inhibition in satellite digital TV receiver.
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申请人: 中国电子科技集团公司第五十四研究所
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Applicant: NO 54 INST CHINA ELECTRONIC SC[CN]
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地址: 050081河北省********(隐藏)
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发明(设计)人: 乔宏章 黄巍 周旭 李胜利 李斌 王如双 韩明伟 管吉兴 张喜明 酒乐
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Inventor: QIAO HONGZHANG[CN]; HUANG WEI[CN]; ZHOU XU[CN]
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主分类号: H04N5/00
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分类号: H04N5/00 H04N7/16
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