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:
Aug. 24, 1999
Filed:
Jan. 09, 1997
Applicant:
Inventor:
Hiroshi Kai, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
395839 ; 395835 ; 395113 ;
Abstract
In a host computer which controls a peripheral device such as a printer, information is recognized which indicates a status of the peripheral device and a suitable time interval is selected to transmit on an interrogation command to demand the status of the peripheral device to the peripheral device. The time interval is selected based on the status of the peripheral device, and may be selected from among several time intervals set up in advance, for example, in a table.