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. 30, 2004
Filed:
Oct. 06, 2003
Masahiro Kimura, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
In a cleaning controller for a recording head of a recorder connected to an external device, a timer acquires a first time value indicating a current time from the external device, and performs cyclic clocking in which a first predetermined time period is repetitively clocked from a predetermined time point. A nonvolatile storage medium stores a second time value indicating a time at which a cleaning operation is lastly performed. A determinant compares the first and the second time values to obtain a third time value, and determines whether a cleaning operation is necessary to be performed based on the third time value. A cleaner performs a cleaning operation of the recording head based on the result determined by the determinant.