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.:

US 8164673 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 24, 2012

Filed:

Mar. 18, 2009
Applicant:

Takuji Horie, Sagamihara, JP;

Inventor:

Takuji Horie, Sagamihara, JP;

Assignee:

Olympus Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/16 (2006.01); H04N 5/225 (2006.01); G03B 7/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

A filter switching device includes: an optical filter unit that is disposed on an optical path of an object light that passes through an image pickup lens of a camera, and can be switched to any one of a plurality of spectral transmission characteristics; a spectral transmission characteristic switching unit that switches a spectral transmission characteristic of the optical filter unit to one of the plurality of spectral transmission characteristics; a filter spectral transmission characteristic information storage unit that stores filter spectral transmission characteristic information, which is information relating to each of the plurality of spectral transmission characteristics; and a filter spectral transmission characteristic information output unit that outputs filter spectral transmission characteristic information corresponding to the spectral transmission characteristic of the optical filter unit to the camera when the spectral transmission characteristic of the optical filter unit is switched.


Find Patent Forward Citations

Horie, Takuji. (2012). Filter switching device, photographing lens, and camera (U.S. Patent No. 8164673). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8164673

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