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:
Dec. 22, 2009
Filed:
Mar. 29, 2006
Kiyotaka Tanba, Aichi, JP;
Takayuki Kagami, Aichi, JP;
Masaru Mitsui, Nagano, JP;
Nobuo Kanai, Nagano, JP;
Yasuhito Sakai, Nagano, JP;
Kiyotaka Tanba, Aichi, JP;
Takayuki Kagami, Aichi, JP;
Masaru Mitsui, Nagano, JP;
Nobuo Kanai, Nagano, JP;
Yasuhito Sakai, Nagano, JP;
Sony Corporation, Tokyo, JP;
Orc Manufacturing Co., Ltd., Tokyo, JP;
Abstract
A short-arc type high pressure discharge lamp in which durability is improved and a lamp apparatus including the same is provided. Glass material portionsA into which glass material enters respectively are provided on both sides of an electrode axisbetween the outer circumferential surfacethereof and a curved portionof a sealed metal foiland a gap Sbeing continuous with a sealed spaceremains among the glass material portionA, the outer circumferential portionof the electrode axisand the curved portionAn angle formed by a surface-of the glass material portionA facing the gap Sand the curved portionis an obtuse angle φ. In other words, an angle formed by the surface-of the glass material portionA facing the gap Sand a surfaceof the curved portionof the sealed metal foilis the obtuse angle φ.