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:
Mar. 18, 2008
Filed:
Mar. 24, 2006
Yuji Takahashi, Kanagawa-ken, JP;
Go Kato, Kanagawa-ken, JP;
Yanbin Sun, Kanagawa-ken, JP;
Toshiba Lighting & Technology Corporation, Tokyo, JP;
Abstract
A discharge lamp lighting apparatus, comprises a DC power supply, an inverter circuit, connected to the DC power supply, and provided with at least two switching devices, and a discharge lamp energized by the inverter circuit, wherein one switching device has an on-duty complementarily different with an on-duty of the other switching device, and wherein the inverter circuit executes a switching operation in that the on-duty of the one switching device substitutes with the on-duty of the other switching device.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile