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:
Apr. 09, 2013
Filed:
May. 20, 2008
Takashi Sugiura, Kashiwa, JP;
Takashi Sugiura, Kashiwa, JP;
Canon Kabushiki Kaisha, , JP;
Abstract
In an apparatus including the detachable unit, when reading individual information of the detachable unit, a first label for generating a reference signal for reading individual information and a second label representing the individual information are arranged on a surface of the detachable unit, with a first label reading unit, the reference signal is generated while reading the first label in a predetermined direction, and with a second label reading unit, the individual information of the detachable unit contained in the second label is read in synchronous with the generated reference signal. Read individual information is stored, and whether a mounted detachable unit is new or used is recognized based on a comparison of individual information read from the detachable unit with stored individual information.