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A METHOD AND DEVICE FOR DETECTING THE PRESENCE OF

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专利名称:A METHOD AND DEVICE FOR DETECTING

THE PRESENCE OF A CARRIER SIGNALTRANSMITTED IN THE REVERSE RF PATH

发明人:KIEN, Thai-Bao, H.,AO, Jiening,WEST, Lamar,

E., Jr.

申请号:EP03767173.2申请日:20030805公开号:EP15336A2公开日:20050601

摘要:The present invention provides an improved apparatus and method fordetecting a reverse carrier signal. The present invention utilizes a peak

detector/envelope filter for determining the peak level of the reverse analog waveform.The peak level is compared to a threshold level during a predetermined time period todetermine the presence of a valid reverse carrier signal. Once determined, an enablesignal is provided to an electronics device that allows further transmission of the reversesignals.

申请人:Scientific-Atlanta, Inc.

地址:5030 Sugarloaf Parkway Lawrenceville, GA 30044 US

国籍:US

代理机构:Pautex Schneider, Nicole

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