US Patent 7505086 Video receiver with DC offset cancellation
Patent 7505086 was granted and assigned to Telegent Systems on March, 2009 by the United States Patent and Trademark Office.
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Patent Inventor Names
Samuel Sheng0
Weijie Yun0
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Patent abstract
An analog video receiver implemented in an integrated circuit device. The analog video receiver includes a mixing circuit to mix an analog video signal with a sinusoid to generate a frequency-shifted analog video signal, and an offset cancellation circuit to obtain a sample of the frequency-shifted analog video signal during a first time interval and, based on the sample, generate an offset cancellation signal that, when summed with the frequency-shifted analog video signal, reduces a substantially time-invariant offset in the frequency-shifted analog video signal.
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US Patent 07505086 Video receiver with DC offset cancellation US Patent 7505086 Video receiver with DC offset cancellation
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Patent Number
07505086
Patent Number
7505086
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US Patent 07505086 Video receiver with DC offset cancellation
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Is a
Current assignee
Patent jurisdiction
Patent number
07505086
Date of patent
March 17, 2009
Patent application number
11120378
Date Filed
May 2, 2005
Patent primary examiner
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