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. 19, 1984
Filed:
Aug. 21, 1981
Applicant:
Inventor:
Gustaaf A Wesselink, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
315 62 ; 313493 ; 315 58 ;
Abstract
Low-pressure mercury vapor discharge lamp having an electrical stabilization ballast 10 which occupies a central position in the lamp. The discharge vessel surrounds the ballast. In order to dissipate the heat generated by the ballast during operation to the environment of the lamp, a thin-walled heat sink of a heat-conductive material which bears on the ballast is provided between the ballast and the discharge vessel, this body having a collar which extends as far as the exterior of the lamp.