Patents
Sitemap › H05 - Electric techniques not otherwise provided for › H05B - Electric heating; Electric lighting not otherwise provided for › H05B 37 - Circuit arrangements for electric light sources in general
Patents for H05B 37 - Circuit arrangements for electric light sources in general (57,776)
06/1999
06/10/1999DE19754222A1 Light-emitting diode function testing device for automobile control lamp
06/10/1999CA2312424A1 Multi-dimensional control of arrayed lights to produce synchronized dynamic decorative patterns of display, particularly for festival and christmas lights
06/09/1999CN2323250Y Color-changing lamp
06/09/1999CN1219251A Home and building automation system
06/08/1999US5910713 Discharge lamp igniting apparatus for performing a feedback control of a discharge lamp and the like
06/08/1999US5910712 Method and apparatus for reduced discharge lamp driver test time
06/08/1999US5909950 Method and apparatus for turning on and off a lamp in a refrigerator
06/02/1999EP0919077A2 High efficiency lighting system
06/01/1999US5909090 Light-emission controlling apparatus
06/01/1999US5909088 Motion activated illuminating footwear and light module therefor with sequential oscillating lights
06/01/1999US5909087 Lighting control with wireless remote control and programmability
06/01/1999US5909084 Kit for installing daytime running lights on a vehicle
05/1999
05/26/1999CN1217805A Improved lighting system that non-invasively interacts with host machine
05/20/1999DE19750560A1 Maintaining constant current in lighting installations for airports
05/18/1999US5905442 Method and apparatus for controlling and determining the status of electrical devices from remote locations
05/12/1999CN2318790Y Equipment for dispensing quantity of electric charge use of public streetlight to household
05/12/1999CN2318789Y Separated quartz lamp light regulation power-supply box
05/12/1999CN1216604A Lighting device for airports, in particular flush lighting
05/11/1999US5903105 Apparatus and method for controlling lighting of fluorescent lamp for refrigerator
05/06/1999DE19808902C1 Method of illuminating a room accessible to daylight
05/05/1999CN2317557Y Bulb long service life device for electric incandescent lamp
05/05/1999CN1216094A Luminaire
04/1999
04/28/1999EP0911216A1 Automatic control of the switching-on of vehicle lights
04/28/1999EP0910934A1 Circuit for signal transmitters with leds
04/28/1999CN2316795Y Strip-shaped ornament colour-lamp
04/27/1999US5898384 Programmable remote control systems for electrical apparatuses
04/27/1999US5898277 Apparatus for controlling illumination of a fluorescent lamp
04/22/1999WO1999020085A1 Electric lamp circuit and structure using light emitting diodes
04/22/1999WO1999007059A3 Multiresonant dc-dc converter with full-wave rectifying means
04/21/1999EP0752156A4 Lamp for producing a daylight spectrum
04/20/1999US5896262 Arc fault detector with protection against nuisance trips and circuit breaker incorporating same
04/20/1999US5895986 Photoelectric load control system and method
04/14/1999CN1214184A Method of semiautomatic ambient light sensor calibration in automatic control system
04/13/1999US5894272 Lighting and/or indicating means for use in fog
04/13/1999US5894201 Light flashing system
04/13/1999US5894175 Photo-control apparatus and circuit
04/08/1999WO1999017590A1 Energy saving lighting controller
04/08/1999WO1999007188A3 Circuit arrangement
04/08/1999WO1999007187A3 Circuit arrangement, and signalling light provided with the circuit arrangement
04/08/1999WO1999007186A3 Circuit arrangement, and signaling light provided with the circuit arrangement
04/07/1999EP0639289B1 Surveillance and alarm device for room spaces
04/07/1999CN1042881C Switching power supply for operation of electric lamp
04/06/1999US5892331 Lamp control responsive to rapid increases in ambient light
04/06/1999US5892296 Circuit for cyclically driving several loads
03/1999
03/31/1999EP0906002A2 Lighting device
03/31/1999EP0905849A1 Switching device for managing a multi-phase alternating-voltage network having a number of load units
03/31/1999EP0904673A1 Automatic light controller
03/30/1999US5889369 Incandescent lamp having a lifetime extended by two rectifying diodes and a resistor
03/25/1999WO1999014989A1 Control device for airport lighting systems
03/25/1999WO1999014988A1 Group dimming system for gas discharge lamps
03/25/1999DE19749333A1 Light signal consisting of LEDs connected to voltage via current source
03/24/1999EP0903966A1 Lighting system
03/24/1999EP0903713A2 Circuit breaker with two supply current paths for two traffic signalling devices
03/24/1999EP0883889A4 Novel daylight lamp
03/24/1999CN2311846Y Differential place free-control switch of electric appliance
03/24/1999CN1211895A Light modulator
03/23/1999US5886423 Electric series circuit
03/18/1999WO1999013694A1 Device for connecting and disconnecting an electric load
03/18/1999WO1999013693A1 Electronic system generating random lighting effects
03/18/1999WO1998041793A3 High efficiency lighting system
03/18/1999DE19739866A1 Universal switching device for lighting system
03/16/1999US5884125 Light emitting element control device, optical sensor control device and blank lamp control device
03/11/1999WO1999012400A1 Display system having a number of light emitters and holders for the light emitters
03/11/1999WO1998057526A3 Electromagnetic energy distributions for electromagnetically induced mechanical cutting
03/11/1999DE19739537A1 Einrichtung zum Ein- und Ausschalten einer elektrischen Last Means for turning on and off an electrical load
03/10/1999EP0901313A2 Dimmersystem
03/10/1999EP0901312A2 Lighting device for signaling, in particular for motorcycle helmets
03/10/1999EP0900417A1 Home and building automation system
03/10/1999CN2310432Y Driving circuit for light regulator
03/09/1999US5880563 Device for accurately detecting end of usage lifetime of a discharge lamp
03/04/1999WO1999010867A1 Multicolored led lighting method and apparatus
03/03/1999EP0898856A1 Apparatus for supplying power from a ballast circuit to an auxiliary load
03/03/1999EP0898684A1 Lighting device for signalling on and identification and marking of airport traffic areas
03/03/1999EP0898683A1 Lighting device for signalling, identification or marking
03/03/1999EP0898682A1 Lighting device for signalling, identification or marking
03/03/1999EP0898681A1 Lighting device for airports, in particular flush lighting
03/03/1999CN1209720A Lighting device
02/1999
02/25/1999DE19736707C1 Signalling light device testing circuit for railway crossover
02/24/1999EP0898442A1 Process and circuit for initialising and monitoring at least one electrical load
02/24/1999EP0898157A1 Light sensor assembly
02/23/1999CA2010313C Lighting control system
02/18/1999WO1999008489A1 Method and device for stabilizing the series circuit current of lighting installations at airports and similar
02/17/1999EP0896786A1 Method and apparatus for interfacing a light dimming control with an automated control system
02/16/1999US5872832 For energizing high-voltage ac electrical load in response to signals
02/16/1999US5872429 Coded communication system and method for controlling an electric lamp
02/16/1999CA2041375C Display indicator and reed switch
02/11/1999WO1999007188A2 Circuit arrangement
02/11/1999WO1999007187A2 Circuit arrangement, and signalling light provided with the circuit arrangement
02/11/1999WO1999007186A2 Circuit arrangement, and signaling light provided with the circuit arrangement
02/11/1999WO1999007059A2 Multiresonant dc-dc converter with full-wave rectifying means
02/11/1999CA2267407A1 Multiresonant dc-dc converter with full-wave rectifying means
02/10/1999CN2307424Y Soft starting delay switch
02/10/1999CN2307423Y Anti-interference holiday lamp
02/04/1999WO1999005891A1 Auxilliary lighting control circuit and method for a hid lamp lighting system
02/04/1999WO1999005857A1 Virtual positioning media control system
02/04/1999CA2294960A1 Virtual positioning media control system
02/03/1999EP0894420A1 A device for wireless switching of illumination bodies
02/02/1999US5866994 Illumination apparatus and frame to which the illumination apparatus is attached
02/02/1999US5866992 Control system for several appliances in distributed arrangement, and method for setting such a control system into operation
02/02/1999CA2139994C Computer controlled stage lighting system
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