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Class Information
Number: 315/118
Name: Electric lamp and discharge devices: systems > With load device temperature modifier > Load device circuit controlled by the temperature modifying medium
Description: Systems provided with means controlled by the temperature modifying medium for altering the operation of the load device.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8686644 Light generator systems and methods Apr. 1, 2014
8648530 Amalgam temperature maintaining device for dimmable fluorescent lamps Feb. 11, 2014
8624505 Light color and intensity adjustable LED Jan. 7, 2014
8531111 Light module Sep. 10, 2013
8480258 Rotation angle regulating device and rotatable lamp using the same Jul. 9, 2013
8410410 Ultraviolet lamp system with cooling air control Apr. 2, 2013
8390207 Integrated LED-based luminare for general lighting Mar. 5, 2013
8384290 Illumination system adaptable to a cooling appliance Feb. 26, 2013
8378594 Light output control technique by estimating lamp efficacy as a function of temperature and power Feb. 19, 2013
8314568 Fluorescent lamp driving method and apparatus Nov. 20, 2012
8305014 Lighting control using scan and step change Nov. 6, 2012
8283868 LED light engine Oct. 9, 2012
8201974 Pan-tilt spotlight Jun. 19, 2012
8134297 Ballast for a discharge lamp with adaptive preheating Mar. 13, 2012
8115395 Self-dusting lamp device Feb. 14, 2012
7940015 Thermal protection for lamp ballasts May. 10, 2011
7922334 Multistage cooling system for projector Apr. 12, 2011
7893624 Backlight control circuit having frequency setting circuit and method for controlling lighting of a lamp Feb. 22, 2011
7675250 Thermal protection for lamp ballasts Mar. 9, 2010
7654696 Lighting unit Feb. 2, 2010
7626338 Discharge lamp lighting apparatus Dec. 1, 2009
7538499 Method and apparatus for controlling thermal stress in lighting devices May. 26, 2009
7535182 Flat panel display device having thermostat May. 19, 2009
7446489 Apparatus and method of driving light source for display device Nov. 4, 2008
7208881 LED strobe light Apr. 24, 2007
7164102 Self heating thermal protector Jan. 16, 2007
7157865 Circuit for driving cold cathode tubes and external electrode fluorescent lamps Jan. 2, 2007
7052143 Projection device having blower and/or lamp with feedback control May. 30, 2006
7038390 Lamp control system May. 2, 2006
7009329 Thermally optimized cold cathode heater Mar. 7, 2006
6982528 Thermal protection for lamp ballasts Jan. 3, 2006
6933675 Apparatus for blocking ambient air of electrodeless lighting system and waveguide thereof Aug. 23, 2005
6911788 Electronic ballast of high power factor for compact fluorescent lamp Jun. 28, 2005
6784619 Electrodeless lighting system Aug. 31, 2004
6747413 Display cold spot temperature regulator Jun. 8, 2004
6731074 Electrode-less lamp equipment May. 4, 2004
6670587 Self heating thermal protector Dec. 30, 2003
6445138 Microwave powered lamp with improved cooling system Sep. 3, 2002
6441558 White LED luminary light control system Aug. 27, 2002
6420833 Switching device with improved over-current protection Jul. 16, 2002
6411042 Display cold spot temperature regulator Jun. 25, 2002
6352356 Illuminating device for a display Mar. 5, 2002
6320318 Display device with temperature stabilization Nov. 20, 2001
6310439 Distributed parallel semiconductor device spaced for improved thermal distribution and having reduced power dissipation Oct. 30, 2001
6268701 Fluorescent light ballast convective cooling means Jul. 31, 2001
6246176 Tipover-safe means for lamp Jun. 12, 2001
6188185 Process for manufacturing a neon tube, and related low temperature lighting system Feb. 13, 2001
6163114 Starting circuit for low-pressure discharge lamp Dec. 19, 2000
6157135 Halogen lamp with high temperature sensing device Dec. 5, 2000
6144160 Lamp with a temperature-controlled automatically protecting circuit Nov. 7, 2000

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