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:
Jan. 28, 2014
Filed:
Jul. 22, 2011
Yukihiro Miura, Toride, JP;
Toshiyuki Harashima, Chichibu, JP;
Yukihiro Miura, Toride, JP;
Toshiyuki Harashima, Chichibu, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A developer accommodating apparatus includes a developer accommodating portion for accommodating a developer; developer detecting means, including a light receiving element for receiving light emitted by a light emitter, for detecting the developer in said developer accommodating portion; a cylindrical light guide member, provided projected from a side surface of said developer accommodating portion, for guiding the light emitted from said light emission element to said light receiving element; a rotatable member provided on a peripheral surface of said light guide member and rotatable about said light guide member; and driving means for rotating said rotatable member.