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:
Nov. 13, 2007
Filed:
Apr. 17, 2003
Makoto Satake, Chiba, JP;
Ryoji Kanoyadani, Ibaraki, JP;
Makoto Satake, Chiba, JP;
Ryoji Kanoyadani, Ibaraki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image processing apparatus comprising: a data processing unit such as a printing unit; a first interface having a plurality of logical channels for connecting with an external processing apparatus; a second interface, compliant with the same communication standard as the first interface and having a plurality of logical channels that have a different configuration from the first interface, for connecting with the data processing unit; and a control unit for controlling data transfer between the first interface and the second interface is provided. The control unit controls to acquire status information of the data processing unit via a first logical channel of the second interface in response to a request command of status information of the data processing unit which is received from the external processing apparatus via the first interface, and acquire status information of the data processing unit via a second logical channel of the second interface at predetermined timing regardless of existence/absence of a request command of status information from the external processing apparatus.