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. 17, 2012
Filed:
Aug. 16, 2010
Hiroki Yamano, Tokyo, JP;
Hiroki Yamano, Tokyo, JP;
Sony Corporation, , JP;
Abstract
An optical element includes: a base material formed of a film-like resin material that has an infrared absorbing effect; and a multilayered film that adjusts spectral characteristics, and is formed on an object-side surface and an image-side surface of the base material. The optical element is disposed on a light path of an imaging optical system, and of such characteristics that its spectral transmittance, and its spectral reflectivities on the object-side surface and the image-side surface satisfy the conditions (1) to (4)0.75<<0.95  (1)615<λ<670  (2)||<0.05  (3)680≦λ,  (4)where