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:
Jan. 04, 1977
Filed:
Nov. 08, 1974
Applicant:
Inventors:
Peter Cornelis Drop, Eindhoven, NL;
Willy Joseph Endevoets, Eindhoven, NL;
Antonie Peter VAN Eijl, Eindhoven, NL;
Alexander Gray Jack, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313229 ; 313155 ;
Abstract
A high pressure tin halide discharge lamp having a discharge vessel containing a quantity of rare gas as a starter gas and for each cubic cm of contents of the discharge vessel between 0 and 50 mg of mercury and at least 1 .mu.mol of at least one of the halides of tin. Furthermore the discharge vessel contains at least one of the elements indium, bismuth, lead, gallium and zinc or halides thereof to correct the color point of the radiation emitted by the lamp.