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:
May. 18, 2010
Filed:
Jan. 29, 2007
Applicants:
Keiji Matsumoto, Matsumoto, JP;
Kazunaga Suzuki, Azumino, JP;
Hidenori Usuda, Matsumoto, JP;
Inventors:
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 29/393 (2006.01);
U.S. Cl.
CPC ...
Abstract
A printer has a replaceable cartridge (ink pack), a recording head, and a control section. The recording head ejects ink supplied by the cartridge through a nozzle. The control section detects the retaining amount of the ink in the cartridge and the environmental temperature in the proximity of the printer. Further, the control section sets a threshold value, with reference to which it is determined whether the cartridge needs be replaced by a unused cartridge, to a lower value as the detected environmental temperature becomes higher.