Patents
Patents for H05B 39 - Circuit arrangements or apparatus for operating incandescent light sources and not adapted to a particular application (6,420)
06/1994
06/01/1994DE4324351A1 Combination of lamp and miniature transformer - has plug-in transformer section in lamp base allowing use of 12 volts or mains volts
06/01/1994CN2167500Y Multi-control colour-changeable lamp
05/1994
05/31/1994US5317238 Electromagnetic field sensitive animated ornamental display
05/26/1994WO1994012006A1 Plug-in dimmer module for lighting control system
05/26/1994DE4238913A1 Oscillation control in low voltage lighting circuit - initiating oscillation by pulse derived from time base, monitored according to criteria and also stoppable
05/24/1994US5315160 Sequentially shifting control circuit for extendible light strings
05/19/1994DE4238471A1 Overcurrent and overvoltage protection circuit for LV halogen lamps - + has transformer coupled pulsed supply from rectified AC or DC source with current and voltage sensed pulse output control
05/18/1994CN2165597Y Christmas lamp controller of section selecting type
05/18/1994CN2165596Y Contactless electronic flash relay
05/18/1994CN2165595Y No-contacting stepless light controlling arrangement
05/17/1994US5313188 Battery-powered flashing superluminescent light emitting diode safety warning light
05/17/1994US5313187 Battery-powered flashing superluminescent light emitting diode safety warning light
05/10/1994US5311101 Lighting failure detector for a luminaire
05/03/1994US5309084 Electronic switch with on/off fading
04/1994
04/27/1994CN2163499Y 节能开关 Energy-saving switch
04/27/1994CN2163297Y Colour regulating lamp
04/13/1994CN2162068Y Lighting lamp controlled by telephone
04/13/1994CN2162041Y Infrared remote-control light conditioner
04/13/1994CN2162038Y Time delay energy-saving electronic switch
04/13/1994CN2162037Y Starting time delay switch
04/12/1994US5302883 Automated apparatus and method for the reproduction of same color temperature luminous intensity standard light source
03/1994
03/30/1994CN1084691A Infrared remote-controlled lamp brightness regulator
03/24/1994DE4231062A1 Protecting load from electrical instabilities - providing phase gate control for load with current monitor and preset optimum load conditions for each phase angle
03/23/1994EP0588273A1 Process for electronically dimming and dimmer for carrying out this process
03/23/1994CN2159494Y Touch-controlling stepless colour and bright regulating lamp
03/22/1994CA1327990C Electric lighting and power controllers therefor
03/17/1994WO1994006258A1 Automatic zero-point recognition
03/17/1994WO1994006257A1 Starting circuit for electronic transformers
03/16/1994CN2158962Y Multi-colour lamp
03/15/1994US5294849 Reflexive circuit
03/09/1994CN1083572A Luminaire of variable color temperature
03/08/1994US5293077 Power switching circuit
03/03/1994DE4242120A1 Automatische Nullpunkterkennung Automatic zero detection
03/03/1994DE4228647A1 Anlaufschaltung für elektronische Trafos Start-up circuit for electronic transformers
03/03/1994DE4228644A1 AC inverter circuit for gas discharge lamp - has pair of transistors forming bridge with capacitors and circuit elements to cause alternate switching of transistors
03/02/1994EP0584873A1 Delay means for delaying the start of a converter after turn on
03/02/1994CN2158163Y Self-adaptation variable-frequency two-terminal switch power supply
03/02/1994CN2158154Y Optical controlling voice-operated switch
03/02/1994CN1083302A Light regulator
03/01/1994US5291299 Power supply and control unit for a light system and a lighting unit for the light system
03/01/1994CA1327384C Two-filament lamp and operating circuit and method for designing same
02/1994
02/24/1994DE4318996A1 Dimming bias circuit for LV halogen lamp - uses magnetic actuator providing DC magnetic field for controlling operating frequency of control transformer in bias circuit
02/23/1994CN2157650Y Electronic energy-saving switch for corridor
02/22/1994US5289110 Input current responsive, tap changing transformer system
02/16/1994CN2156622Y Sound and light controlling timing electronic energy-saving switch
02/16/1994CN2156528Y Numerical contorlled electric appliances assembly
02/09/1994CN2155652Y Colour lamp group controller
02/09/1994CN2155651Y Remote-controlled dimming device
02/09/1994CN1023748C Electronic jump bubble
02/08/1994US5285349 Power box for a low voltage lighting system
02/02/1994EP0581205A1 Electrical installation equipment
02/02/1994EP0581021A2 A device for regulating AC-powered loads
02/02/1994CN2155121Y Contact regulating switch having far infrared remote control
02/02/1994CN2155085Y Incandescent lamp holder with protection function
02/02/1994CN1081554A Incandescent Globe Power Reducer
02/01/1994US5283516 Low voltage dimmer with no load protection
01/1994
01/27/1994DE4224694A1 Electric light fitting with shade secured to bottom plate - has switch operatively coupled to lamp-shade and/or its holders, e.g. for activating speech generator when switching off or on
01/27/1994DE4223934A1 HF full bridge generator for fluorescent lamp - has two ring core transmitters with windings where drive of each transistor base is associated with ring core
01/26/1994CN2154579Y Switch with gradually put-off light function
01/25/1994CA1326508C2 Load control system
01/20/1994WO1994001911A1 Series circuit provided with by-pass circuits, as well as by-pass circuit to be used therewith
01/20/1994DE4318995A1 Ballast for LV halogen or Mercury@ discharge lamp - has energising transformer with core without air gap and two coil groups
01/19/1994CN2153921Y Fully automatic time-delay switch
01/18/1994US5280220 Remote controlled, solar and battery powered lights
01/13/1994DE4222527A1 LV halogen lighting installation with selective switching - is operated by control signal transmission via opto-electronic converter and one conductor of power supply pair
01/12/1994CN2153200Y Electronic program-controlled colour change lamp
01/12/1994CN2153199Y High-quality touch-type double-lead wire light regulating switch
01/12/1994CN2153198Y Short fault protector for mine's lamp wire
01/12/1994CN2153197Y Non-interference light regulator
01/06/1994WO1994000965A1 A power controller, for example a dimmer for electric lamps
01/06/1994WO1994000964A1 Dimmer arrays
01/06/1994WO1994000963A1 Incandescent globe power reducer
01/05/1994CN2152367Y Push button type open time delay automatic cut-off switch
01/05/1994CN2152366Y Programmed control multifunction stepless colour changing lamp
01/05/1994CN2152365Y Incandescent light life-prolonging protector
01/05/1994CN2152349Y 声光自动控制开关 Sound and light control switch automatically
01/05/1994CN2152140Y Automatic controller for guide mark power
12/1993
12/29/1993CN2151584Y Sonic controlling lamp switch
12/29/1993CN2151356Y Optic sensible lamp at night
12/22/1993EP0574993A1 Luminaire of variable color temperature
12/22/1993CN2150698Y Lamp holder type acousto-optic controlling delay switch
12/22/1993CN2150697Y Automatic light-putting-out energy-saving switch
12/15/1993EP0573932A2 Television with lamp supplied in alternating current being of variable frequency
12/14/1993CA1325242C Lighting equipment for providing bright illumination with limited surge
12/08/1993EP0573197A1 Dimming system, and dimmer therefor
12/08/1993EP0572567A1 Phase-controlled power modulation system
12/08/1993CN2149081Y Photometric dimmer
12/07/1993US5268631 Power control system with improved phase control
12/02/1993DE4324149A1 Energy saving lighting circuit including emergency back=up - supplies second lamp of pair if first fails or emergency supply is operated
11/1993
11/24/1993CN2147692Y Multi-way contact switch
11/23/1993US5264988 Circuit to limit surges into a dc-operated lamp
11/23/1993US5264761 Data link switching system
11/17/1993CN2146834Y Touch-inductive stepless light-controlling switch
11/17/1993CN2146833Y Energy-saving light controller
11/17/1993CN2146832Y Self-putting out lighting switch
11/17/1993CN2146831Y Bulb long-lived energy-saver
11/16/1993US5262678 For controlling electrical power to a load
11/11/1993WO1993022826A1 Electronic power regulator
11/10/1993CN2146097Y Audio-frequency distribution colour lamps controller
11/10/1993CN2146096Y Full automatic lighting switch for protecting vision
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