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:
Feb. 10, 2004
Filed:
Apr. 05, 2002
Applicant:
Inventors:
Assignee:
Olympus Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/04 ;
U.S. Cl.
CPC ...
G02B 5/04 ;
Abstract
An optical prism ( ) for reflecting incident light from an incidence surface ( ) suited for incidence of light from an LCD ( ) or the like for at least twice before emitting the reflected light as emission light from a predetermined emission surface ( ). The optical prism has side surfaces ( L and R) crossing the incidence and emission surfaces ( and ) and including receded surfaces L and R) formed such as not to impede an optical path of an effective size, the incident light being led along the optical path from the incidence surface to the emission surface.