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:
May. 08, 2007
Filed:
Jul. 26, 2004
Takashi Yamane, Kawasaki, JP;
Toshiya Kishida, Kawasaki, JP;
Satoshi Monma, Miyazaki, JP;
Kazuyuki Nakasendou, Kanagawa, JP;
Daiki Furusato, Kanagawa, JP;
Takashi Yamane, Kawasaki, JP;
Toshiya Kishida, Kawasaki, JP;
Satoshi Monma, Miyazaki, JP;
Kazuyuki Nakasendou, Kanagawa, JP;
Daiki Furusato, Kanagawa, JP;
Fujitsu Limited, Kawasaki, JP;
Epson Toyocom Corporation, Hino, JP;
Abstract
A wavelength division element includes a first filter and a second filter. The first filter has incident angle-to-transmission wavelength characteristics and separates multiplexed lights in a plurality of wavelength bands into first lights that are in a first wavelength band and first reflected lights. The first filter allows the first lights to pass through in a first direction and reflects the first reflected lights in a second direction. The second filter is located in the second direction and separates the first reflected lights into second lights that are in a second wavelength band and second reflected lights. The second filter allows the second lights to pass through in a third direction and reflects the second reflected lights in a fourth direction.