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. 26, 1991
Filed:
Jan. 03, 1989
Applicant:
Inventors:
Joseph M Proud, Wellesley Hills, MA (US);
Walter P Lapatovich, Hudson, MA (US);
Assignee:
GTE Laboratories Incorporated, Waltham, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ; H04N / ;
U.S. Cl.
CPC ...
315324 ; 315248 ; 315313 ; 315319 ; 40541 ; 40550 ; 340766 ; 340772 ;
Abstract
A large scale video display has a plurality of colored electrodeless lamps which are excited by RF energy coupled from a RF cavity upon which the lamps are mounted. The lamps are easily replaced and do not degrade as fast as conventional lamps which have electrodes.