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Class Information
Number: 315/154
Name: Electric lamp and discharge devices: systems > With radiant energy sensitive control means > Plural load devices > Selective energization of the load devices > Selective electric switch controlled by the radiant energy responsive device
Description: Systems wherein the means for selecting the load device or devices to be energized is an electrically operated switch whose operation is controlled by the radiant energy sensitive means.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8686644 Light generator systems and methods Apr. 1, 2014
8674608 Configurable environmental condition sensing luminaire, system and associated methods Mar. 18, 2014
8638036 Wake-up of light sensor in a lighting system Jan. 28, 2014
8602584 Cone light Dec. 10, 2013
8587415 Receiving an IR control signal through a Fresnel lens of a motion sensor Nov. 19, 2013
8508156 Energy saving LED lamp Aug. 13, 2013
8487977 Method and apparatus to virtualize people with 3D effect into a remote room on a telepresence call for true in person experience Jul. 16, 2013
8476834 Automatic lighting control system Jul. 2, 2013
8441195 Illumination adjustment circuit May. 14, 2013
8344629 Electronic device having a plurality of light emitting devices Jan. 1, 2013
8324819 Electric appliance control Dec. 4, 2012
8154207 Light apparatus control system for vehicle Apr. 10, 2012
8030851 Switchable induction light Oct. 4, 2011
7965050 Selective control of lighting devices Jun. 21, 2011
7952784 Method and device for emitting mixed light colors May. 31, 2011
7834817 Load control device having a compact antenna Nov. 16, 2010
7655890 Light sensor, display apparatus including the same, and control method thereof Feb. 2, 2010
7641678 Tanning apparatus Jan. 5, 2010
7626509 Solar light for home security signs Dec. 1, 2009
7592757 System and method for dimming one or more light source Sep. 22, 2009
7466302 Display apparatus and method of driving the same Dec. 16, 2008
7446480 Apparatus and method for switching a light source Nov. 4, 2008
6900594 Methods and a device for automatically switching on or off the illumination of a vehicle May. 31, 2005
6841945 Lighting control system and method Jan. 11, 2005
6523338 Plasma accelerator arrangement Feb. 25, 2003
6485169 Deformation-activated safety light for elastic tires Nov. 26, 2002
RE37135 Fully automatic energy efficient lighting control and method of making same Apr. 17, 2001
6198229 Luminescent control by sensing wind speed Mar. 6, 2001
5990628 Light level sensor for detecting the level of incident light and discriminating between natural and artificial light Nov. 23, 1999
5861717 Lighting system for controlling the color temperature of artificial light under the influence of the daylight level Jan. 19, 1999
5734229 Back-up electrical system for portable table lamps Mar. 31, 1998
5721471 Lighting system for controlling the color temperature of artificial light under the influence of the daylight level Feb. 24, 1998
5705893 Simplified automatic energy saving system for automotive daytime running lights Jan. 6, 1998
5598042 Moveable desktop load controller Jan. 28, 1997
5592257 Electronic flash device with slave emission function Jan. 7, 1997
5489827 Light controller with occupancy sensor Feb. 6, 1996
5453663 Lighting apparatus with auto-recharging Sep. 26, 1995
5428265 Processor controlled fluorescent lamp dimmer for aircraft liquid crystal display instruments Jun. 27, 1995
5414325 Gas discharge lamp ballast circuit with automatically calibrated light feedback control May. 9, 1995
5357170 Lighting control system with priority override Oct. 18, 1994
5293097 Fully automatic energy efficient lighting control and method of making same Mar. 8, 1994
5250799 Method for adapting the light intensity of the summation light to the external light Oct. 5, 1993
5177404 Removable power service module for recessed lighting system Jan. 5, 1993
5142199 Energy efficient infrared light switch and method of making same Aug. 25, 1992
5079485 Ballast for supplying a plurality of discharge lamps Jan. 7, 1992
4985661 Uninterrupted desk lamp Jan. 15, 1991
4902936 Light adjusting apparatus Feb. 20, 1990
4810937 Multicolor optical device Mar. 7, 1989
4755804 System for feeding and controlling low intensity obstruction lights Jul. 5, 1988
4727290 Automatic vehicle headlamp dimming control Feb. 23, 1988

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