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:
Jul. 22, 2003
Filed:
Mar. 16, 2001
Ushiodenki Kabushiki Kaisha, Tokyo, JP;
Abstract
To provide a high-pressure mercury lamp capable of shortening the light output rise time and of preventing glow discharge that occurs when the lamp is lighted, a high-pressure mercury lamp ( ) luminescent device with a pair of electrodes ( ) placed opposite one another within a discharge vessel ( ) made of quartz glass with seals ( ) formed on both ends and at least 0.15 mg/mm of mercury sealed into the discharge vessel, has a device ( ) for increasing the temperature of the outer wall of the luminescent portion ( ) of the discharge vessel ( ) to at least 100° C. before the high-pressure mercury lamp is lit.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile