The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 23, 2013
Filed:
Jun. 14, 2011
Friederich Mombers, Sunnyvale, CA (US);
Alain-serge Porret, Sunnyvale, CA (US);
Melly Thierry, Lausanne, CH;
Friederich Mombers, Sunnyvale, CA (US);
Alain-Serge Porret, Sunnyvale, CA (US);
Melly Thierry, Lausanne, CH;
SiGear Europe Sarl, Lausanne, CH;
Abstract
A digital video formatting system operates to format an analog format video signal to within a desired amplitude range using an adaptive filtering scheme which implements flat gain scaling, frequency-dependent gain scaling and adaptive offset correction. The adaptive filtering scheme selects a frequency-independent flat gain scaling mode or a frequency-dependent gain scaling mode based on the characteristics of the active video signal. The filtered video signal is fed back to an adaptive weight computation block to update the offset correction value, the filter coefficients and the mode selection signal.