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:
Oct. 24, 1995
Filed:
Aug. 22, 1994
Sadahiko Tsuji, Yokohama, JP;
Hidetoshi Suzuki, Atsugi, JP;
Hideaki Mitsutake, Tokyo, JP;
Katsumi Kurematsu, Kawasaki, JP;
Noritaka Mochizuki, Yokohama, JP;
Nobuo Minoura, Yokohama, JP;
Shigeru Kawasaki, Atsugi, JP;
Kazumi Kimura, Atsugi, JP;
Junko Shingaki, Atsugi, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
This specification discloses a polarization converting apparatus having means emitting non-polarized light, and polarizing means having a light incidence surface and a light emergence surface, the polarizing means receiving the non-polarized light by the light incidence surface and causing polarized light to emerge from the light emergence surface, the size and shape of the light incidence surface being similar to the size and cross-sectional shape of the non-polarized light. The specification also discloses an optical instrument having such apparatus.