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:
May. 29, 1990
Filed:
Dec. 21, 1988
Applicant:
Inventor:
Koichi Inui, Higashiosaka, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
346160 ; 3461601 ;
Abstract
A laser printer comprising a photoreceptive means, a laser beam emitting device, a detecting means for detecting a factor of degradation of the image quality, the factor originating in the photoreceptive means, and a control means which controls the output level of said laser beam emitting device in accordance with the detected level of said factor.
Inui, Koichi. (1990). Laser printer (U.S. Patent No. 4929970). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4929970
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile