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:
Sep. 21, 2004
Filed:
Aug. 06, 2002
Shigeo Miura, Tokyo, JP;
Canon Kabushiki Kaisha, , JP;
Abstract
A sheet processing apparatus and an image forming apparatus are provided, which make it possible to determine whether the sheet processing apparatus is attached to the image forming apparatus in a short time and without increasing the number of signal lines. The sheet processing apparatus that is attached to the image forming apparatus includes a controller that controls the sheet processing apparatus and a serial communication line that performs serial communication from the controller to the image forming apparatus, with the controller operating in response to supplying of power to the controller to set the serial communication line at a high level. The image forming apparatus to which the sheet processing apparatus is attached includes a controller that controls the image forming apparatus and a serial communication line that performs serial communication from the sheet processing apparatus to the controller of the image forming apparatus, with the controller determining, in response to supplying of power to the sheet processing apparatus, whether the serial communication line of the image forming apparatus is at the high level and determining that the sheet processing apparatus is attached when the serial communication line is at the high level.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile