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:
Nov. 03, 1981
Filed:
Jul. 02, 1979
Applicant:
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03B / ; G03B / ;
U.S. Cl.
CPC ...
355-8 ; 355 52 ; 355 66 ;
Abstract
A scanning and projecting device of a construction having a rotationally symmetrical first image forming optical system, a scanning surface disposed on the focal plane of the optical system, a deflector to deflect a parallel light beam emitted from the scanning surface and passing through the first image forming optical system, a rotationally symmetrical second image forming system which receives the parallel light beam deflected by the deflector, a light receiving surface disposed at an image forming position of the second image forming optical system, and at least one anamorphic optical system disposed in the light path between the scanning surface and the light receiving surface.