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. 30, 1996
Filed:
Oct. 07, 1993
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A color image pickup apparatus includes an image pickup element, an optical low-pass filter, and a memory. The image pickup element has four types of color filters which are arranged to form an offset sampling structure in which color filters of different colors are repeatedly arranged at a two-pixel period in the horizontal direction, and color filters of different colors are repeatedly arranged at a two-pixel period in the vertical direction while being offset in the horizontal direction by one pixel. The optical low-pass filter has an optical member for splitting an incident light beam into two light beams separated from each other by a distance D in a direction inclined clockwise or counterclockwise at an angle .theta. with respect to a scanning direction of the image pickup element, the distance D satisfying conditions defined by