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. 30, 1999
Filed:
Jul. 21, 1998
Applicant:
Inventors:
Soh Ohzawa, Toyonaka, JP;
Katsuhiro Takamoto, Sakai, JP;
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
353 99 ; 353 31 ; 362298 ;
Abstract
An illumination optical system has a light source unit, a first array having a plurality of two-dimensionally arranged cells which deflect a incident light from the light source unit and a second array having a plurality of cells two-dimensionally arranged in a vicinity of a focal plane of the first array, wherein at least one of the first array and the second array is formed as a reflection array.