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. 03, 2017
Filed:
Aug. 21, 2015
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Hiroshi Oya, Nagareyama, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 15/00 (2006.01); G03G 15/23 (2006.01); H04N 1/00 (2006.01); G03G 21/16 (2006.01);
U.S. Cl.
CPC ...
G03G 15/234 (2013.01); G03G 21/16 (2013.01); H04N 1/00538 (2013.01); H04N 1/00557 (2013.01); H04N 2201/0082 (2013.01);
Abstract
An image forming apparatus which is capable of preventing printing from being performed with a duplex unit incompletely attached. The duplex unit is attachable to and detachable from the image forming apparatus. Execution of one-sided printing and double-sided printing by a printing unit is inhibited based on that a detection unit does not detect attachment of the duplex unit in a state where information to an effect that attachment of the duplex unit has been detected previously by the detection unit.