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. 18, 2013
Filed:
Sep. 21, 2010
Hitoshi Nakanishi, Kanagawa, JP;
Hitoshi Nakanishi, Kanagawa, JP;
Sony Corporation, , JP;
Abstract
Disclosed herein is an image taking optical system including at least one lens provided on an optical path; a first infrared-ray absorption filter made from a resin material with a film shape and provided on the optical path; a multi-layer film provided with an infrared-ray absorption function and provided on the optical path; and a second infrared-ray absorption filter made from a resin material with a film shape and provided on the optical path, wherein the first infrared-ray absorption filter, the multi-layer film and the second infrared-ray absorption filter are provided at locations arranged along the optical path in a direction from a photographing-object side to an image side, and the multi-layer film has a spectroscopic-characteristic adjustment function and a light reflection characteristic.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile