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. 22, 1992
Filed:
Sep. 27, 1991
Michitaka Setani, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A light scanning optical system of an image output scanner in which a light beam incident from a light source through an irradiating optical system is applied to an electro-mechanical light modulator comprising a number of elements capable of deflecting the incident light beam in at least two directions in conformity with an input signal and arranged in the main scan direction, and image information is prepared by the change-over of the direction of deflection of each of the elements, whereafter only a signal light is projected onto a photosensitive member by a projection optical system is characterized in that the shape of at least one of the irradiating and projection optical system is flat in the main scan direction and the electro-mechanical light modulator is irradiated in the form of a slit.