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:
Aug. 04, 1998
Filed:
Nov. 14, 1996
Applicant:
Inventors:
Naosato Taniguchi, Machida, JP;
Susumu Matsumura, Kawaguchi, JP;
Yoko Yoshinaga, Kawasaki, JP;
Shin Kobayashi, Atsugi, JP;
Toshiyuki Sudo, Kawasaki, JP;
Hideki Morishima, Tokyo, JP;
Tadashi Kaneko, Isehara, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ; G03H / ; G09G / ;
U.S. Cl.
CPC ...
359 15 ; 359-1 ; 359 13 ; 359462 ; 345-7 ; 345-8 ; 348 52 ; 348 53 ;
Abstract
This specification discloses a displaying apparatus having a display emitting light, and an optical element formed by two holograms each having optical power and partially overlapping each other. The light from the display is diffracted by one of the holograms to be directed to an observer's left pupil, and is diffracted by the other hologram to be directed to the observer's right pupil.