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:
May. 18, 2004
Filed:
Jul. 16, 2001
Applicant:
Inventors:
Steven Thomas Slot, Singapore, SG;
Cornelis Versluijs, Eindhoven, NL;
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01K 1/26 ; H01K 1/42 ; H01J 1/346 ; H01J 1/734 ;
U.S. Cl.
CPC ...
H01K 1/26 ; H01K 1/42 ; H01J 1/346 ; H01J 1/734 ;
Abstract
An electric lamp ( ) comprising a gastight lamp vessel ( ) for the transformation of electrical energy into light, which lamp vessel has two current conductors ( ) which extend to the outside. The lamp further comprises an outer envelope ( ) in which the lamp vessel ( ) is arranged with a space between the lamp vessel and the outer envelope. The outer envelope ( ) has a lamp cap ( ) to which the current conductors ( ) are electrically connected. The lamp ( ) further has means ( ) for switching off the lamp by short-circuiting the current conductors ( ) in the case of fracture of the outer envelope ( ).