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. 02, 1991
Filed:
Oct. 13, 1988
Kunio Ohashi, Nara, JP;
Syoichi Nagata, Yamatokoriyama, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
An image forming apparatus including an auxiliary exposure device, in which a photoreceptive sheet coated with photosensitive microcapsules coated is subjected to image forming exposure and auxiliary exposure so as to form a selectively set image thereon by the microcapsules. The auxiliary exposure device includes a light source lamp, a plurality of filters for absorbing or reflecting portions of light of the light source lamp according to specific ranges of wavelengths of the portions of the light of the light source lamp, respectively and a setting member for setting ratios of areas of the light source lamp covered by the filters, respectively.