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:
Jun. 10, 1997
Filed:
Oct. 18, 1995
Applicant:
Inventors:
Jakob Maya, Brookline, MA (US);
Jagannathan Ravi, Bedford, MA (US);
Assignee:
Matsushita Electric Works R&D Laboratory, Inc., Woburn, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
315358 ; 315108 ; 313638 ;
Abstract
Low pressure sodium lamp color output is shifted from yellow to a fuller spectral range of visible light (white) by effective simultaneous excitation of sodium and a mercury additive. This is made possible principally by controlling the vapor constituents and the excitation arrangement.
Maya, Jakob. (1997). Low pressure sodium-mercury lamp yielding substantially white light (U.S. Patent No. 5637965). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5637965
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile