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:
Mar. 16, 2010
Filed:
Mar. 09, 2006
Ronald J. Pellar, Orange, CA (US);
William C. Kress, Mission Viejo, CA (US);
Hiroki Umezawa, Mishima, JP;
Ronald J. Pellar, Orange, CA (US);
William C. Kress, Mission Viejo, CA (US);
Hiroki Umezawa, Mishima, JP;
Kabushiki Kaisha Toshiba, , JP;
Toshiba Tec Kabushiki Kaisha, , JP;
Abstract
In accordance with the present invention, a system and method are described for producing pure gray tones on a multi-color document output device that includes a system for operating on device independent color data having multiple color components, which color data corresponds to one or more associated electronic documents. The system and method function to extract gray data by the use of tristimulus values in a range specified by a functional relationship of a selected tristimulus value.