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:
May. 04, 1999
Filed:
Aug. 07, 1995
Applicant:
Inventors:
Hideyuki Miyamoto, Ichikawa, JP;
Jun Azuma, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359196 ; 359212 ; 359216 ; 347260 ;
Abstract
Scanning optical device is provided with a light source unit, a deflector for deflecting light beam from the light source, a deflector driving circuit for driving the deflector and an optical housing for accommodating the deflector and the deflector driving circuit. The device is further provided with a cover for closing the optical housing. The cover is provided with an opening through which the deflector driving circuit is exposed to the external air. The hole in the cover is constituted by a tubular partition wall integrally formed with the cover.