Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
John W D. Cooper0
Barry J. Thurlow0
Duncan I. Stevenson0
Scott M. Potter0
Date of Patent
February 22, 2011
0Patent Application Number
109742130
Date Filed
October 27, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A circuit and method for generating an electrical alternating current power signal in which the alternating current signal is dropped once at a non-zero crossing point in every 540 plus N degrees, where N is a non-negative number. This manner of controlling power to a device enables wide ranges of power control while generating acceptable levels of power line harmonics and while conforming to existing international regulations governing voltage variations.
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