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:
Apr. 06, 2004
Filed:
May. 25, 2001
Sanyo Electric Co., Ltd., Osaka, JP;
Abstract
In a color separator circuit, edge detection filters detect an edge encountered in the horizontal direction. When the image signals corresponding to the thus detected edge are processed, selector circuits to select outputs from small-tap-number color separation filters to and to , respectively. When the image signals corresponding to the remaining portion other than the edge are processed, the selector circuits to select outputs from large-tap-number color separation filters to and to , respectively. A ratio calculator circuit calculates, from the luminance signals fed from adder circuits to , the value by which a multiplier circuit performs multiplication. The multiplier circuit multiplies, by this value calculated by the ratio calculator circuit , the color separation signals added together by an adder circuit so that, of all the color separation signals of which there are two kinds, those of one kind are vertically interpolated.