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:
Feb. 29, 2000
Filed:
Dec. 19, 1997
Steve A Jacob, Boise, ID (US);
Terry A Smith, Boise, ID (US);
Hewlett-Packard Company, Palo Alto, CA (US);
Abstract
A PostScript-compatible printer accepts PostScript language commands that indicate both device-dependent and device-independent color specifications. Such a printer in accordance with the invention has a PostScript interpreter that implements Level 1 and Level 2 color rendering pipelines. In the Level 1 color rendering pipeline, the interpreter converts device-dependent color specifications to internal color specifications using a calibrated n-dimensional operation. In the Level 2 color rendering pipeline, the interpreter converts device-independent color specifications to device-dependent color specifications using a standard PostScript color rendering dictionary, and then passes such device-dependent color specifications into the Level 1 pipeline for further processing.