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.

Date of Patent:
Aug. 14, 2012

Filed:

Dec. 10, 2008
Applicants:

Ryo Itou, Imabari, JP;

Makoto Deguchi, Imabari, JP;

Syuhei Abe, Imabari, JP;

Hisashi Yoshida, Imabari, JP;

Masahiro Doi, Imabari, JP;

Inventors:

Ryo Itou, Imabari, JP;

Makoto Deguchi, Imabari, JP;

Syuhei Abe, Imabari, JP;

Hisashi Yoshida, Imabari, JP;

Masahiro Doi, Imabari, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 5/50 (2006.01);
U.S. Cl.
CPC ...
Abstract

An automotive discharge lamp, having an inner tube including a light emitting unit having a first space therein and seal portions formed on the light emitting unit, a discharge medium containing a first gas enclosed in the first space, a metal foil sealed in the seal portions, electrodes with one end connected to the metal foil and other end extended into the first space, and an outer tube connected to the inner tube to form a second space between the outer tube and the inner tube, wherein the second space has a second gas enclosed therein and the oxygen concentration in the second space isvolume % or less.


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