US Patent 7304672 Contour correcting video signal processing apparatus

Patent 7304672 was granted and assigned to Hitachi on December, 2007 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Hitachi

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7304672

Date of Patent

December 4, 2007

Patent Application Number

10743816

Date Filed

December 24, 2003

Patent Primary Examiner

‌

Victor R. Kostak

Patent abstract

The contour correction processing of a still picture that can suppress the generation of a black edge due to an undershoot in a contour portion is enabled while increasing a feeling for resolution. Moreover, an interpolation device that improves the sharpness of a digital picture is provided without increasing a circuit scale.