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. 26, 2020
Filed:
Apr. 14, 2017
Sharp Kabushiki Kaisha, Sakai, Osaka, JP;
Hiroshi Yamamoto, Sakai, JP;
Atsushi Ueda, Sakai, JP;
Takayuki Ohno, Sakai, JP;
Atsuo Nakao, Sakai, JP;
SHARP KABUSHIKI KAISHA, Sakai, Osaka, JP;
Abstract
An optical scanning device provided with a casing, a plurality of light sources, a deflection scanning unit that deflects and scans light beams from the plurality of light sources onto a plurality of bodies to be scanned, and a plurality of optical units arranged between the deflection scanning unit and the bodies to be scanned, in which optical unit supporting members that support the optical units are provided, the optical unit supporting members support the plurality of optical units arranged at predetermined intervals, and a thermal expansion coefficient of the optical unit supporting members is lower than a thermal expansion coefficient of the casing.