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. 01, 2000
Filed:
Dec. 08, 1997
Applicant:
Inventors:
Noriyuki Suzumura, Niigata, JP;
Hideyuki Kobayashi, Niigata, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
347 22 ;
Abstract
An ink jet printer with a recording head having an ink jet slit for ejecting ink onto a recording sheet, a sheet feeder for carrying the recording sheet toward and from the recording head, a cleaner for cleaning the ink jet slit. The cleaner is activated by the movement of the sheet feeder while the recording sheet is not set on the recording head and the recording head is out of operation, for prevention of stain of the recording sheet and enhancement of the processing by the CPU for controlling the ink jet printer.