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:
Jul. 10, 2001
Filed:
Aug. 03, 1998
Satoru Mizouchi, Utsunomiya, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An illumination system includes a light mixing system for mixing light from a light source and emitting the mixed light, a multi-beam producing system for wavefront dividing the light from the light mixing system and for producing plural light beams, an imaging system for forming an image of a light exit surface of the light mixing system on a light entrance surface of the multi-beam producing system, an illuminating system for illuminating a surface to be illuminated, with plural light beams from the multi-beam producing system in a state in which the light beams are superposed one upon another, and an adjusting system for adjusting a light quantity distribution upon the light entrance surface of the multi-beam producing system.