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:
Jan. 20, 2004
Filed:
Jun. 03, 1999
Applicant:
Inventors:
Reiko Nomura, Nagano, JP;
Takashi Kato, Nagano, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 1/500 ;
U.S. Cl.
CPC ...
G06F 1/500 ;
Abstract
When 31-dot space data specified in 120 dpi from a host is expanded in an image buffer in 90 dpi, a command interpretation section of a printer finds 23/90 dots and an error corresponding to 31/120 by calculation. Error correction information indicating occurrence of the error and the error amount is placed at a position in the image buffer where print data cannot exist. An engine control section of the printer controls head drive in the amount to which the shift distance as long as error correction is added based on the error correction information