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. 30, 2010
Filed:
Nov. 11, 2004
Applicant:
Johan Leopold Victorina Hendrix, Turnhout, BE;
Inventor:
Johan Leopold Victorina Hendrix, Turnhout, BE;
Assignee:
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 37/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A gas discharge lamp () is operated with an alternating current. A positive lamp current (I) is generated with a positive current intensity (I) for a positive duration (τ). A negative lamp current (I) is generated with a negative current intensity (I) for a negative duration (τ). A duty cycle (D=τ/(τ+τ)) differs from 50%. A current ratio (R=I/I) differs from 1.
Hendrix, Johan Leopold Victorina. (2010). Method and device for driving a metal halide lamp (U.S. Patent No. 7688000). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7688000
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile