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. 05, 2005
Filed:
Dec. 18, 2003
Yuji Takeda, Ehime, JP;
Masami Takagi, Ehime, JP;
Hiroki Nakano, Ehime, JP;
Takayoshi Kurita, Ehime, JP;
Tomomasa Hirao, Ehime, JP;
Yuji Takeda, Ehime, JP;
Masami Takagi, Ehime, JP;
Hiroki Nakano, Ehime, JP;
Takayoshi Kurita, Ehime, JP;
Tomomasa Hirao, Ehime, JP;
Harison Toshiba Lighting Corp., Ehime, JP;
Abstract
An illuminating device according to an embodiment of the present invention includes a dielectric barrier discharge type low pressure discharge lampcomposed of a tubular glass lamp vessel, in which mercury and rare gas are enclosed, a first and a second electrode, which are made of electrically conductive layer, are provided on an outer surface of both ends of the tubular glass lamp vesseland a high frequency power source of a floating output type, which supplies a sine wave voltage between the first and the second electrodes of the dielectric barrier discharge type low pressure discharge lamphaving a neutral point of the sine wave voltage being grounded, and which supplies a frequency in a range from 40 kHz to 100 kHz.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile