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. 16, 1992
Filed:
Sep. 04, 1991
Applicant:
Inventor:
Toshinori Ando, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
250235 ; 358494 ;
Abstract
A scanning optical apparatus includes a light source, a modulator for intermittently modulating a beam from the light source or for modulating it in amplitude, imaging device for imaging the beam from the light source at predetermined position, a deflector for deflecting the beam from the light source in a predetermined direction, a photoreceptor for receiving the beam deflected by the deflector and modulated by the modulator, processing for processing a signal produced by the photoreceptor, and an adjusting device, responsive to the processing device, for adjusting an imaging position of the beam by the imaging device.