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Class Information
Number: 315/301
Name: Electric lamp and discharge devices: systems > Current and/or voltage regulation > Plural regulators > Plural automatic regulators
Description: Systems wherein two or more of the regulating means are designed to be controlled automatically in response to some condition.










Patents under this class:

Patent Number Title Of Patent Date Issued
8664870 Cascoded current regulator Mar. 4, 2014
8629630 LED driving circuit and control circuit Jan. 14, 2014
8575860 Light emitting device control circuit device and control method of the control circuit device Nov. 5, 2013
8508154 Lighting devices Aug. 13, 2013
8502471 Planar light-emitting module lighting circuit and illuminating device Aug. 6, 2013
8487538 Driving power control circuit for light emitting diode and method thereof Jul. 16, 2013
8334662 Adaptive switch mode LED driver Dec. 18, 2012
8212498 Fluorescent dimming ballast Jul. 3, 2012
8169155 Method of driving light source, light source driving apparatus for performing the method, and display apparatus having the light source apparatus May. 1, 2012
8154217 Driver circuit, method for operating and use of a current mirror of a driver circuit Apr. 10, 2012
8084960 Circuits and methods for powering light source with balanced currents Dec. 27, 2011
8058812 Buck-mode boost converter with regulated output current Nov. 15, 2011
7728532 Circuit device for light-emitting diode driving and stabilizing system Jun. 1, 2010
7719207 Apparatus for controlling light emitting devices May. 18, 2010
7196482 PWM controller with automatic low battery power reduction circuit and lighting device incorporating the controller Mar. 27, 2007
7093140 Method and apparatus for configuring a voltage regulator based on current information Aug. 15, 2006
6127787 Sequential, clamped, single-ended ignition of series operation arc lamps Oct. 3, 2000
5495150 Sequential, differential ignition of series operated arc lamps Feb. 27, 1996
5046152 Ignition circuit for a gas discharge lamp Sep. 3, 1991
4733136 Method of regulating the power of vapor discharge lamps Mar. 22, 1988
4724360 Circuit arrangement for operating a high-pressure discharge lamp Feb. 9, 1988











 
 
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