Patents
Patents for H05B 37 - Circuit arrangements for electric light sources in general (57,776)
01/1995
01/17/1995US5382880 Method for emitting light which does not substantially delay the latency of P100 wave in human VEP
01/15/1995CA2126003A1 Sports lighting luminaire having a broken glass safety shutdown circuit
01/12/1995WO1995001645A1 Electrical multi-function control switch
01/10/1995US5381131 Smoke detecting apparatus for fire alarm
01/10/1995US5381078 Control and communication processor potentiometer system for controlling fluorescent lamps
01/10/1995US5381075 Method and apparatus for driving a flashing light systems using substantially square power pulses
01/04/1995EP0364577B1 Disconnection detection apparatus for lamps
12/1994
12/22/1994WO1994030033A1 Energy saving lamp controller
12/21/1994CN2185836Y Common energy-saving street lamp at one's own expense
12/20/1994US5374854 Automatic switch for controlling electric appliances
12/15/1994DE4406533A1 Temperature protection circuit for an inductor
12/15/1994DE4343219C1 Staircase lighting time-switch with short-circuit protection
12/14/1994CN1096410A Road lamp automatic monitoring, controlling system
12/13/1994US5373453 Centralized apparatus for displaying disordered locations of lighting fixtures and method of collecting information of the disorders
12/07/1994CN2185016Y Solar energy auto-controls treet lamp switch
12/01/1994DE4318364A1 Method and circuit arrangement for monitoring the functioning of illumination devices
11/1994
11/30/1994CN1095691A UV bulb intensity control for water treatment system
11/23/1994EP0625817A1 Operating device for installation equipment
11/22/1994US5367229 Lamp ballasts
11/15/1994US5365154 Appliance control system and method
11/15/1994US5365149 Variable lighting apparatus
11/15/1994US5365145 Emergency lighting system
11/10/1994WO1994026079A1 Fiber-optic anticycling device for street lamps
11/08/1994CA1332958C Control switch
11/01/1994US5361019 Illumination level control device
11/01/1994CA1332844C Two wire low voltage dimmer
10/1994
10/26/1994CN2181107Y Electricity distributing box for corridor
10/25/1994US5359341 Power supply for sequentially energizing segments of an electroluminescent panel to produce animated displays
10/25/1994US5359325 Automatic monitoring system for airfield lighting systems
10/25/1994US5359231 Wallbox-mountable switch and dimmer
10/20/1994DE4312615A1 Control device for generating a vehicle output signal
10/19/1994EP0620699A1 Motion detector
10/18/1994US5357170 Lighting control system with priority override
10/18/1994CA1332625C Master electrical load control system
10/13/1994DE4311804A1 Energy-saving lamp
10/12/1994CN2179645Y Corridor lamp switch
10/04/1994US5352957 Appliance control system with programmable receivers
09/1994
09/28/1994EP0617290A1 Switch activated by a movement sensor
09/27/1994US5350977 Luminaire of variable color temperature for obtaining a blend color light of a desired color temperature from different emission-color light sources
09/20/1994US5349330 Touch programmable illumination means
09/16/1994CA2118838A1 System for controlling fluorescent lamps
09/15/1994WO1994021095A1 Lamp dimming device
09/15/1994WO1994021008A1 An electrical control and connection system
09/15/1994CA2157403A1 Lamp dimming device
09/14/1994CN2177321Y Multifunction photo control time control lighting box
09/08/1994DE4322509C1 Illumination device with signal effect
09/06/1994USRE34717 Light string ornament circuitry
09/06/1994US5345147 Staged selection type Christmas light controller circuit
09/01/1994DE4305796A1 Dimmable display device which has a constant colour location
08/1994
08/31/1994EP0613328A2 Bi-level lighting control system for HID lamps
08/31/1994EP0612445A1 Intelligent lamp or intelligent contact terminal for a lamp
08/31/1994EP0420901B1 Procedure and apparatus for the control of electric power
08/30/1994US5343121 Naturalistic illumination system
08/30/1994CA1331769C Wall-mountable switch and dimmer
08/27/1994CA2115508A1 Bi-level lighting control for hid lamps
08/25/1994DE4405729A1 Beleuchtungssystem Lighting system
08/23/1994US5340954 Wireless multiple position switching system
08/18/1994WO1994018810A1 Electronic ballast with built-in times power saver and photoelectric switching for high-pressure mercury vapor, metallic vapor and sodium vapor lamps
08/18/1994WO1994018809A1 Controlled lighting system
08/17/1994EP0611153A2 UV bulb intensity control for water treatment system
08/17/1994CN2174829Y Automatic controlling switch
08/17/1994CN2174828Y Domestic lighting control switch
08/17/1994CN1090961A Hand and computer combination control console for stage light
08/10/1994EP0610067A1 Electronic ballast with built-in timed power saver and photoelectric switching for high-pressure mercury vapour, metallic vapour and sodium vapour lamps
08/10/1994CN2173898Y Variable color lamp
08/09/1994US5336977 Emergency lighting device
08/03/1994EP0608552A1 A control means for lighting devices
08/03/1994CN2173349Y Colour changing device for stage light
08/02/1994US5334826 Method and apparatus for extending and confirming the service life of semiconductor laser of bar code reader by detecting current increase corresponding to temperature of semiconductor laser
08/02/1994CA2114831A1 Electronic ballast with built-in times power saver and photoelectric switching for high-pressure mercury vapor, metallic vapor and sodium vapor lamps
07/1994
07/27/1994EP0607600A1 Process and circuit for controlling the colour temperature of a high pressure sodium lamp
07/27/1994CN2172936Y Controller for advertisement lamp
07/27/1994CN1090121A Color mixing method for variable color lighting and variable color luminatire for use with the method
07/20/1994CA2113692A1 Method of controlling the color temperature in a sodium high-pressure discharge lamp, and apparatus to carry out the method
07/19/1994US5331214 Load control device having abnormal condition detecting for serial signal line, transmitter and receiver
07/19/1994US5330282 Fishing lure
07/13/1994CN2171969Y Hand controlled, remote controlled lighting switch
07/12/1994US5329431 Computer controlled lighting system with modular control resources
07/12/1994US5329206 Automatic headlamp dimmer having improved signal discrimination and signal processing
07/07/1994WO1994015443A1 Deterrent device
07/07/1994DE4239448A1 Centralised control circuitry for several gas discharge lamps
07/05/1994US5327048 Bi-level lighting control system for hid lamps
06/1994
06/29/1994EP0603936A1 Lighting system
06/29/1994EP0603333A1 Dimming control circuit.
06/28/1994US5325023 Outdoor lighting control apparatus
06/28/1994US5324962 Multi-color semiconductor light emitting device
06/28/1994US5324423 UV bulb intensity control for water treatment system
06/23/1994WO1994014300A1 By movement controlled power supply to a power consumer
06/23/1994DE4242333A1 Solar-powered lamp unit for garden and garage
06/21/1994US5323088 Dimming control circuit
06/16/1994DE4341669A1 Lighting system using mixture of different light source colours - has mixing ratios determined to provide lighting colour effects with coordinate plane
06/16/1994DE4241582A1 220 volt AC cut=out switch with integrated flasher module - enables exterior lamp to be flashed to attract attention of prospective visitors or persons summoned to give assistance, particularly for night-time use
06/09/1994WO1994013119A1 Systems and methods for transmitting pulse signals
06/09/1994WO1994013078A1 Circuit arrangement for controlling a plurality of users, especially lamp ballasts
06/09/1994DE4340004A1 Operation circuit for car headlamps - has brightness sensor and relay to activate signal generator when headlamps accidentally left on
06/09/1994DE4241071A1 Electric luminaire with remotely controlled rotation and pivoting light box - is operable about Y and Z axes with frictional transmission or gearing from two independent motors linked to wireless receiver.
06/07/1994US5319301 Inductorless controlled transition and other light dimmers
06/01/1994EP0599427A1 Static energy regulator for lighting networks with control of the quantity of the intensity and/or voltage, harmonic content and reactive energy supplied to the load
06/01/1994CN2167481Y Optical control timing device
06/01/1994CN1087462A 感应灯 Sensor lights