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:
Jun. 12, 2007
Filed:
Apr. 17, 2003
Shigeru Kato, Tachikawa, JP;
Shigeru Kato, Tachikawa, JP;
Olympus Corporation, Tokyo, JP;
Abstract
The invention relates to an electronic imaging system wherein an image pickup device is horizontally located while ensuring the space for a reflective member thereby achieving height, length and cost reductions. The imaging system comprises a taking lens and an image pickup device. The taking lens comprises a front lens group Gconsisting of a negative lens component and a positive lens component and having positive refracting power and a rear lens group Gconsisting of a negative lens element and a positive lens element and having positive refracting power, with an aperture stop S interposed between the front lens group Gand the rear lens group G. The taking lens satisfies conditions (1) and (2).2.8<<4.5   (1)23   (2)Here fis back focus of the taking lens, IH is a length that is half the diagonal length of the effective plane of the electronic image pickup device, and SF is a shape factor for the negative lens component in the front lens group.