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:
Apr. 15, 1997
Filed:
Jun. 22, 1995
Fuad Doany, Katonah, NY (US);
Derek B Dove, Mount Kisco, NY (US);
Rama Singh, Bethel, CT (US);
Alan Rosenbluth, Yorktown Heights, NY (US);
George Chiu, Cross River, NY (US);
Thomas Cipolla, Katonah, NY (US);
Janusz Wilczynski, Ossining, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
An optical system is described consisting of reflection birefringent light valves, polarizing beam splitter, color image combining prisms, illumination system having a light tunnel, projection lens, filters for color and contrast control, and screen placed in a configuration offering advantages for a high resolution color display.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile