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:
Oct. 23, 2001
Filed:
Apr. 30, 1999
Tetsuo Fuse, Kurashiki, JP;
Youichi Kouno, Takasago, JP;
Ushiodenki Kabushiki Kaisha, Tokyo, JP;
Abstract
A high pressure discharge lamp in which the total length of the discharge tube can be shortened without changing the discharge length of the electrodes by the ends of a fused silica glass discharge tube having hermetically sealed portions being bent essentially at right angles relative to a discharge part of the discharge tube so that it has an essentially overall angled shape and by there being electrodes with bent end parts within the discharge tube, the electrodes further having base points that are wound with coils of emissive material, and with these coils projecting partially into the discharge space with the remaining parts of the coils being located within the hermetically sealed portions.