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:
Sep. 11, 1984
Filed:
Jun. 30, 1983
Applicant:
Inventor:
Kazuya Matsumoto, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350 9613 ; 350358 ;
Abstract
Beam deflecting device constructed with an optical waveguide, a pair of transducers for generating acoustic waves in the waveguide, a device for intersecting a first and a second light beam with acoustic waves from mutually different directions and for diffracting the light beams, a driving device for driving the transducers, and a device for effecting change-over between the first light beam and the second light beam.