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:
Jul. 03, 1990
Filed:
Feb. 02, 1988
Applicant:
Inventors:
Takefumi Inagaki, Kawasaki, JP;
Fumio Yamagishi, Ebina, JP;
Hiroyuki Ikeda, Yokohama, JP;
Shin-ya Hasegawa, Tokyo, JP;
Assignee:
Fujitsu Limited, Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03H / ; G02B / ;
U.S. Cl.
CPC ...
350-371 ; 350-37 ; 350-38 ;
Abstract
A holographic deflection device having a tunable laser, and at least one hologram for deflecting light incident thereupon from the tunable laser, so that the deflection of the light can be controlled by a change of the wavelength of the beam from the tunable laser.