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:
Nov. 23, 1999
Filed:
Dec. 18, 1997
Applicant:
Inventors:
Andrew D Jackson, Hammondsport, NY (US);
Alleppey V Hariharan, Bath, NY (US);
Randy J Robinson, Bath, NY (US);
Albert E Kowal, Painted Post, NY (US);
John Alderman, Painted Post, NY (US);
Assignee:
Philips Electronics North America Corp., New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ; H01J / ; H05B / ;
U.S. Cl.
CPC ...
313 25 ; 313643 ; 313595 ; 313623 ;
Abstract
HID lamp has a U-enhancer connected between first and second leads for an arc tube. The UV-enhancer has a quartz envelope containing an electrode connected to the first lead, and is surrounded by a metal ring which is spaced from the envelope by a sleeve of borosilicate glass. The ring is capacitively coupled to the envelope and is electrically connected to the second lead, which may also support the sleeve.