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. 07, 2016
Filed:
Sep. 17, 2014
Applicant:
Phoenix Electric Co., Ltd., Himeji, JP;
Inventors:
Atsuji Nakagawa, Himeji, JP;
Hiroshi Takahashi, Himeji, JP;
Tomihiko Ikeda, Himeji, JP;
Shinichi Ushijima, Himeji, JP;
Tetsuya Gouda, Himeji, JP;
Assignee:
PHOENIX ELECTRIC CO., LTD., Hyogo-Ken, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 61/20 (2006.01); H01J 61/26 (2006.01); H01J 61/82 (2006.01); H01J 61/073 (2006.01);
U.S. Cl.
CPC ...
H01J 61/20 (2013.01); H01J 61/0735 (2013.01); H01J 61/26 (2013.01); H01J 61/822 (2013.01);
Abstract
The present high-pressure discharge lamp is composed of an arc tube part having an internal space, a pair of tungsten electrodes disposed in opposition to each other within the internal space, and mercury and halogen encapsulated in the internal space. The halogen is excessively encapsulated into the internal space relatively to the capacity of the internal space so as to establish an appropriate halogen cycle when the mercury partially deposits without evaporating.