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