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. 11, 2006
Filed:
May. 25, 2004
Toshihide Nozawa, Hachioji, JP;
Kazuhiko Arai, Hachioji, JP;
Takashi Miyoshi, Atsugi, JP;
Hidekazu Iwaki, Hachioji, JP;
Toshihide Nozawa, Hachioji, JP;
Kazuhiko Arai, Hachioji, JP;
Takashi Miyoshi, Atsugi, JP;
Hidekazu Iwaki, Hachioji, JP;
Olympus Corporation, Tokyo, JP;
Abstract
The invention relates to a stereo imaging unit or system that can have a suitable degree of parallax and a wide angle of view even when used with an image pickup device smaller than film. The stereo imaging unit comprises a first entrance windowL and a second entrance windowR juxtaposed in the left-and-right direction, a plurality of reflecting surfacesL,L for guiding a light beam from the first entrance windowL to a single image pickup device, a plurality of reflecting surfacesR,R for guiding a light beam from the second entrance windowR to the image pickup device, a first negative lens groupL for the light beam from the first entrance windowL, a first positive lens grouplocated at an image side thereof via the longest air spacing in the lens system, a second lens groupR for the light beam from the second entrance windowR, and a second positive lens grouplocated on an image side thereof via the longest air spacing in the lens system, and satisfies conditions (1), (2), (3) and (4) for defining the focal lengths of the negative and positive lens groups in terms of the focal length of the overall lens system.