Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Usman Vakil0
Chingez Tarar0
Date of Patent
April 3, 2007
0Patent Application Number
110659190
Date Filed
February 25, 2005
0Patent Primary Examiner
Patent abstract
A ballast in which the drive current frequency is controlled by a voltage-controlled oscillator (VCO) that is capable of precise output frequency control. The VCO frequency is controlled by a microcontroller. The microcontroller may control the VCO frequency in response to various input signals including a triac signal, a manual dimmer control signal, a remote control receiver signal, a light monitor signal, a motion detector signal, or a communication interface signal.
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