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:
Sep. 30, 2008
Filed:
Nov. 10, 2004
Takashi Kokuwa, Osaka, JP;
Masayuki Hino, Osaka, JP;
Taisei Funaki, Osaka, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A photographic light is spectrally separated by a spectral prismprovided in an image-formation area R of the photographic light whose luminous flux is adjusted by a group of lenses-for adjusting the luminous flux so as to image-form the photographic light. Respective lights spectrally separated by the spectral prismare imaged by means of the imaging elements. An infrared-ray element of the photographic light whose luminous flux is being adjusted is eliminated by an infrared-ray cut filter. The infrared-ray cut filteris advanced and retreated by a mechanism unitbetween a position in an optica path of the photographic light and a position distant from the optical path. In the foregoing constitution, the infrared-ray cut filterand the mechanism unitare disposed in a luminous flux convergence area R of the photographic light whose luminous flux is being adjusted by the group of lenses-