Patents
Patents for H05B 37 - Circuit arrangements for electric light sources in general (57,776)
06/1988
06/16/1988WO1988004517A1 Programmable multicircuit wall-mounted controller
06/15/1988CN87200677U Bulb long life device
06/14/1988US4751622 Solar powered construction light
06/14/1988US4751433 Device permitting of economizing electric lighting energy
06/07/1988US4749917 Responsive to a remote radio signal transmitter
06/01/1988CN87212907U Light regulating device for incandescent lamp
06/01/1988CN87201531U Energy-saving illumination switch
05/1988
05/31/1988CA1237468A1 Photographic lighting apparatus
05/25/1988EP0268487A2 Light adjusting apparatus
05/25/1988CN87213503U Width modulation type power saving dimmer with no jamming
05/25/1988CN87211222U Series switch for any multiple connection
05/24/1988US4746809 AC power line signaling system
05/24/1988CA1237167A1 Multicolour display device
05/17/1988US4745339 Lamp failure detecting device for automobile
05/11/1988CN87206941U D.c. decorative lamps and lanterns
05/11/1988CN87107576A Electronic equipment for control of fluorescent lamps
05/04/1988EP0266207A2 Devices and methods of controlling alternating electric current
04/1988
04/28/1988DE3635682A1 Monitoring device for lamp failure in airfield lighting systems
04/20/1988EP0263966A1 Power control system
04/20/1988CN87213258U Power-saving remote-control lamp
04/20/1988CN87212132U Multifunctional flashlight for the police
04/20/1988CN87206272U Contactless light-controlled switch for street lamp
04/19/1988US4739226 Dimming circuit having switching transistor protection means
04/13/1988EP0263537A1 Method and circuit arrangement for controlling the brightness and the depending temperature of a lamp, espcially for the lighting of an LCD display
04/13/1988CN87200871U Lighting control system for multi-storey building
04/13/1988CN86209744U Contactless automatic controler for street lamp
04/12/1988US4737689 Thermal delay light arrangement
04/07/1988DE3632179A1 Circuit for monitoring signal lamps
04/06/1988CN87210435U Controller for fluorescent lamp and incandescent lamp
04/05/1988US4736138 Apparatus for limiting surge currents in dc-illuminated incandescent lamp
03/1988
03/30/1988EP0261389A1 AC Power supply control, in particular fluorescent light dimming
03/30/1988CN87213226U Automatic brightness-adjustable desk lamp
03/30/1988CN87204651U Time-controlled switch for illumination
03/29/1988US4734625 Control circuit for system for controlling the operation of electric lights
03/24/1988DE3729204A1 Steuerleitung fuer eine regulier- bzw. einstellbare elektrische einrichtung Control line for a regulated and adjustable electric device
03/24/1988DE3706229A1 Electronic lighting (illumination) switching system
03/22/1988US4733138 Programmable multicircuit wall-mounted controller
03/22/1988US4733103 Light sensitive switching circuit
03/16/1988EP0259456A1 Cover and support plate arrangement for wall mounted devices
03/15/1988US4731551 Timed auxiliary power adapter
03/01/1988US4728866 Power control system
02/1988
02/24/1988CN86203312U Light-controlled timer
02/23/1988US4727296 Lighting scene control panel and control circuit
02/23/1988US4727291 Back-up electrical system for lamps
02/23/1988CA1233196A1 Ballast circuit having electromagnetic interference (emi) reducing means for an improved lighting unit
02/17/1988CN87105479A Method of and circuit arrangement for a brightness and temperature-dependent control of a lamp. more specifically for illuminating a liquid crystal disply
02/03/1988CN87201241U Automatic urgent lamp
01/1988
01/20/1988EP0253082A2 Computer controlled lightning system with distributed processing
01/13/1988CN87200698U Energy saving and life prolonging lamp controller
01/12/1988US4719446 Remote control for combined ceiling fan and light fixture
01/12/1988US4719363 System for automatically controlling lights in a room
12/1987
12/31/1987CN87201007U Lamp controller for periodic lighting
12/29/1987US4716344 Microprocessor controlled lighting system
12/15/1987US4713586 Decorative light sets
12/10/1987DE3618790A1 Method for testing a large number of emergency lights in an illumination system, and a test system for carrying out the method
12/02/1987CN87203009U Wall dimmer switch
11/1987
11/25/1987EP0246614A2 Apparatus and method for testing incandescent lamps having a glass bulb
11/25/1987EP0246472A1 Remote control station
11/19/1987DE3616506A1 Method and device for monitoring electrical loads
11/03/1987CA1228890A1 Electronic ballast and high frequency supply system for gas discharge lamps
10/1987
10/20/1987US4701675 Apparatus for limiting arc discharge current in incandescent lamp
10/13/1987US4700110 Lamp switching
10/08/1987DE3610112A1 Stairwell light time switch
10/07/1987EP0239653A1 System for feeding and controlling low intensity obstruction lights
10/07/1987CN86211037U Control device for color lamps
09/1987
09/24/1987WO1987005744A1 Cover and support plate arrangement for wall mounted devices
09/24/1987DE3608869A1 Intelligent light switch (ILS)
09/09/1987EP0236147A1 Method and system of checking malfunctions of at least one light source
09/08/1987CA1226616A1 Sensor timer for lamps
09/01/1987US4691341 Method of transferring digital information and street lighting control system
08/1987
08/25/1987US4689547 Multiple location dimming system
08/11/1987CA1225431A1 Excess light turn-off circuit
08/04/1987US4684822 Lamp dimmer circuit
07/1987
07/23/1987DE3601665A1 Method for determining the optimum operating life of at least one current-consuming light source, especially a fluorescent tube
07/21/1987US4682079 Light string ornament circuitry
07/15/1987CN86211020U Indicator lamp
07/14/1987CA1224242A2 Electronic candle system
07/07/1987US4678926 Christmas tree lighting control
06/1987
06/30/1987US4676403 Method and circuit for timing chemical dispenser operation
06/30/1987CA1223629A1 Programmable wall switch
06/23/1987US4675578 Electric votive light controller
06/23/1987US4675575 Light-emitting diode assemblies and systems therefore
06/23/1987US4675574 Monitoring device for airfield lighting system
06/10/1987CN86103870A Programmable multiple controller on wall
06/09/1987US4672232 Microprocessor operated timing controller
06/09/1987CA1222791A1 Lighting control system and method
06/04/1987DE3542412A1 Multiple light system
05/1987
05/26/1987US4668895 Driving arrangement for a varying color light emitting element
05/26/1987CA1222279A1 Programming and control device for modified lead ballast for hid lamps
05/21/1987DE3540680A1 Passive infrared movement receiver
05/05/1987US4663521 Infrared radiation controlled switch with a visible light detector
05/05/1987CA1221440A1 Time controlled light dimmer
04/1987
04/28/1987US4661717 Load condition determining apparatus
04/07/1987US4656475 Method and apparatus for controlling distributed electrical loads
04/07/1987US4656398 Lighting assembly
04/07/1987US4656351 Method and apparatus for controlling a load
04/01/1987CN86202202U Three-purpose electricity-economizing light group and its logic control switch
03/1987
03/31/1987CA1219898A1 System and method of electrically interconnecting multiple lighting fixtures
03/25/1987EP0215262A1 Method and circuit device periodically driving multiple radiation-emitting elements
03/12/1987DE3531001A1 Monitoring device for low-voltage indicator lamps