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. 13, 1999
Filed:
Mar. 08, 1995
Applicant:
Inventor:
Toshiaki Mabuchi, Tama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
347-7 ; 347 85 ;
Abstract
In an ink remaining amount checking routine to be performed at every one line of printing, when a flag indicative of the ink amount in a sub-tank less than or equal to a predetermined amount, an alarm is generated. Also, while the flag is set, predetermined number of lines capable of printing is performed. Thereafter, ink is supplied. By this, operator may check alarm for ink supply and perform ink supply at a predetermined time interval.