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. 29, 2000
Filed:
Mar. 12, 1998
Steven T Castle, Philomath, OR (US);
Mark D Lund, Vancouver, WA (US);
Hewlett-Packard Company, Palo Alto, CA (US);
Abstract
A method and apparatus for determining an optimum print density for an ink jet printer uses characteristics of a printer and its peripheral components such as an ink jet printhead, and an ink supply unit to reach an optimum print density. The ink jet printer receives a print command from a computer. The printer reads an ink drop volume parameter from a printhead memory device on the ink jet printhead and stores this parameter in a printer memory device on the ink jet printer. The processor in the printer determines an ink density compensation value for the ink jet printhead based on the ink drop volume parameter. The processor on the ink jet printer applies the ink density compensation value to the print command, thereby creating a depleted print command. Finally, the depleted print command is printed.