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:
Mar. 27, 2012
Filed:
May. 26, 2009
Yasuro Kikuchi, Himeji, JP;
Kyosuke Fujina, Himeji, JP;
Yasuro Kikuchi, Himeji, JP;
Kyosuke Fujina, Himeji, JP;
Ushiodenki Kabushiki Kaisha, Tokyo, JP;
Abstract
A xenon lamp having a lamp tube made of silica glass containing titanium oxide and having a discharge chamber with a light emitting part containing xenon and in which a cathode and an anode are arranged in opposition to each other, the cathode and anode being mounted on an end of a respective lead rod, the lamp tube also having side tube parts extending from each of opposite sides of the light emitting part, each lead rod being sealed by a gradient binding part which is arranged in a respective side tube part, and the side tube parts having a narrowed shrink part in a region facing the light emitting part, wherein a conductive film is provided on an outer surface area of the shrink part and an adjoining area of an outer surface of the light emitting part at the cathode side of the lamp tube; and wherein the conductive film is electrically connected to the cathode.