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:
Aug. 14, 1990
Filed:
Apr. 19, 1989
Yuji Yasuda, Tokyo, JP;
Tetsuya Fujioka, Yokohama, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An illuminating device for use with an imagewise exposing arrangement of an electrophotographic copier, electrostatic printer or similar image recording equipment. A delimited area of a glass platen is illuminated by a light source and a main reflector which is implemented by a mirror. The main reflector is located outside of one end of the delimited area. Three auxiliary reflectors are individually associated with, among four sides which are individually associated with the outer edges of the delimited area, a side facing the one end where the main reflector is provided and two facing sides which adjoin the above-mentioned side. Light reflected by the main reflector is redirected by the auxiliary reflectors toward the delimited area.