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:
Jun. 19, 1984
Filed:
Jan. 05, 1982
Applicant:
Inventor:
Richard P Kenan, Columbus, OH (US);
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ;
U.S. Cl.
CPC ...
350 9613 ; 350 9614 ;
Abstract
An optical waveguide has a multiple tilted surface acoustic wave transducer array for diffracting a wide light beam propagating through the waveguide. Adjacent transducers are relatively positioned so that at the crossover frequency, the light beams diffracted from the transducers are added in phase.