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:
Jul. 05, 1977
Filed:
Jun. 05, 1975
Applicant:
Inventor:
Mary V Hoffman, South Euclid, OH (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313487 ; 2523 / ; 313468 ;
Abstract
Color correction is provided in a high-pressure mercury vapor discharge lamp with a particular combination of two different phosphor materials producing an efficient composite emission. A blend of said phospor materials can improve color rendition without effecting any significant reduction in the lamp lumen output.