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. 15, 2008
Filed:
May. 11, 2004
Masato Ikeda, Tokyo, JP;
Masato Ikeda, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An apparatus comprising: an image sensing device having a plurality of pixels for receiving light from an object upon separating the light into respective ones of different color components; an optical guidance device for accepting light rays in different directions from the same part of the object and guiding the light rays to the image sensing device; and a phase-difference determining device for determining a phase difference in an output signal of the image sensing device with respect to each of the light rays accepted in the different directions by the optical guidance device, determination being performed based upon a signal obtained by combining output signals of pixels, among the plurality of pixels, that correspond to prescribed different color components.