Patents for H05B 37 - Circuit arrangements for electric light sources in general (57,776) |
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10/14/1993 | WO1993020496A1 Energy saving fluorescent lamp controller |
10/12/1993 | US5252894 Energy saving flourescent lamp controller |
10/12/1993 | US5252893 Light flasher apparatus |
10/06/1993 | EP0563696A2 Method and switching arrangement for switching on and off artificial light sources in a room |
10/05/1993 | US5250799 Method for adapting the light intensity of the summation light to the external light |
09/30/1993 | WO1993019568A1 Flashing light system and method for enhancing algae photosynthesis |
09/30/1993 | DE4314018A1 Acoustically controlled time switch for staircase light - enables triggering by manual switches or time=controlled acoustic person sensors |
09/30/1993 | DE4210074A1 Rechargeable battery lamp - has tubular housing for cylindrical batteries with jack socket at base to accept jack plug of charger. |
09/28/1993 | US5248919 Lighting control device |
09/22/1993 | CN2142628Y Separable contact controller of desk lamp |
09/15/1993 | EP0559767A1 Fully automatic energy efficient lighting control and method of making same |
09/09/1993 | DE4229367C1 IR-controlled sensor dimmer for lighting device - has timing element in IR receiver extending received IR pulses from standard remote-control transmitter |
09/08/1993 | EP0558772A1 Circuit arrangement for operating several fluorescent lamps with one ballast |
09/08/1993 | EP0548111A4 Semiconductor laser diode controller and laser diode biasing control method |
09/07/1993 | US5243340 Supervision and control of airport lighting and ground movements |
09/01/1993 | EP0558349A1 Control of lighting ETC circuits |
09/01/1993 | CN2141623Y Photo controlled time delay switch |
08/25/1993 | CN2141161Y Energy-saving series double electronic light-control switch |
08/25/1993 | CN2141160Y Multi-functional series electronic light-control switch |
08/24/1993 | US5239236 Field lighting network with a distributed control system |
08/24/1993 | US5239205 Wireless multiple position switching system |
08/17/1993 | US5237264 Remotely controllable power control system |
08/17/1993 | US5237207 Master electrical load control system |
08/17/1993 | US5237169 Installation for controlling the lighting level of premises |
08/17/1993 | CA1321420C2 Cover and support plate arrangement for wall mounted devices |
08/10/1993 | US5235252 Fiber-optic anti-cycling device for street lamps |
08/04/1993 | EP0346405B1 Circuit arrangement for controlling the brightness of a lamp |
08/04/1993 | CN2139763Y Circuit device of lamp autocontrolled by heat from human body |
08/04/1993 | CN1075017A Controller for photographic lighting |
07/29/1993 | DE4202486A1 Time and/or dimming switch for switching on and off or adjusting lighting circuit - has adjusting elements for time and brightness values also light dependent sensor and one or two switches for operating system and selection of operating mode |
07/27/1993 | US5231331 Automatic vehicle headlight/taillight control |
07/20/1993 | US5229870 Light emitting device capable of readily controlling total quantity of light under a balanced light emitting state of light emitting elements |
07/15/1993 | DE4212632C1 Traffic hazard display with solar cell power source - uses LEDS with pulsed operation from delay circuits and pulse generators with pulse shapers |
07/13/1993 | US5227762 Power line carrier controlled lighting system |
07/13/1993 | CA1320247C Back-up electrical system for lamps |
07/08/1993 | WO1993013536A1 Improved outdoor lighting controls |
07/08/1993 | WO1993013453A1 Controller for photographic lighting |
07/07/1993 | EP0327602B1 Apparatus and method for forming segmented luminosity in gas discharge tubes |
07/06/1993 | US5225765 Inductorless controlled transition and other light dimmers |
07/01/1993 | DE4143097A1 Locating display for defective lamps in airport navigation lights - couples pulse signal inductively into mains supply if lamp current or voltage drop is sufficiently low |
06/30/1993 | EP0548183A1 Improvements in electrical zone load controllers |
06/30/1993 | EP0548146A1 Improvements in electrical load controllers |
06/30/1993 | EP0548111A1 Semiconductor laser diode controller and laser diode biasing control method. |
06/30/1993 | EP0548105A1 Control apparatus for use in a dwelling |
06/24/1993 | DE4141844A1 Installation arrangement for mains load power control - has two parallel connected control switches for separately controlling separate loads, and actuator which determines phase angle |
06/16/1993 | EP0491692B1 Circuit for compensating the capacitive effect of a connection of a low-voltage lamp on the secondary side |
06/15/1993 | US5220250 Fluorescent lamp lighting arrangement for "smart" buildings |
06/09/1993 | DE4140155A1 Lighting assembly for motor vehicle with standby safety provision - has duplicate bulbs for all standard vehicle lights with automatic electronic changeover and indication of faulty circuit. |
06/08/1993 | US5218552 Control apparatus for use in a dwelling |
06/01/1993 | US5216333 Step-dimming magnetic regulator for discharge lamps |
06/01/1993 | CA1318719C Network and intelligent cell for providing sensing, bidirectional communications and control |
05/27/1993 | WO1993010591A1 Intelligent lamp or intelligent contact terminal for a lamp |
05/27/1993 | WO1993010550A1 Light operated switch |
05/27/1993 | DE4138646A1 Full or partial load selection circuit for multi-filament room light - uses repetitive operation of standard on-off switch to provide voltage evaluated to select required load setting |
05/26/1993 | CN1072556A Timed power saving device |
05/23/1993 | CA2056006A1 Variable integrated balancing system |
05/19/1993 | EP0542425A1 Step-dimming magnetic regulator for discharge lamps |
05/18/1993 | US5212672 Timing control apparatus |
05/13/1993 | WO1993009648A1 Improved outdoor lighting controls |
05/13/1993 | DE4136673A1 Light switch system for electrical installation - uses serial text pulse information transmitted prior to switching to select required lamp or lamp group |
05/11/1993 | US5209560 Computer controlled lighting system with intelligent data distribution network |
05/11/1993 | CA1317651C Protocol for network having a plurality of intelligent cells |
05/05/1993 | EP0438500B1 Monitoring circuits for electrical loads, especially for monitoring lamps |
05/05/1993 | CN1071799A Weak illumination control method and system thereof |
05/05/1993 | CN1071783A Automatic switch safety circuit for outdoor illumination |
04/27/1993 | US5205637 Touch operated lighting attachment |
04/21/1993 | EP0537651A2 Controlling and monitoring device for a safety-lighting unit |
04/20/1993 | US5204586 Solar powered lamp having a circuit for providing positive turn-on at low light levels |
04/14/1993 | EP0536877A1 Timed power saving device |
04/13/1993 | CA1316209C Apparatus and method for forming segmented luminosity in gas discharge tubes |
04/01/1993 | WO1993006700A1 Dimming control circuit |
04/01/1993 | CA2116128A1 Dimming control circuit |
03/31/1993 | EP0534839A1 Control and monitoring process for a lighting equipment |
03/31/1993 | EP0534710A1 Computer controlled lighting system with intelligent data distribution networks |
03/31/1993 | CN2128991Y Solar power safety lamp for automobile |
03/24/1993 | CN2128815Y Full-automatic controller for street lamps |
03/23/1993 | US5196782 Touch-operated power control |
03/18/1993 | WO1993005627A1 Method and apparatus for detecting entry |
03/18/1993 | CA2116690A1 Method and apparatus for detecting entry |
03/17/1993 | EP0531557A1 Arrangement for monitoring a lamp, comprising a voltage source for electrical measurement |
03/16/1993 | US5194858 Lighting control system with set/reset ground remote |
03/16/1993 | US5194782 Dimmer for fluorescent lamp |
03/09/1993 | US5192895 Synchronously-controlled light string |
03/02/1993 | US5191265 Wall mounted programmable modular control system |
03/02/1993 | US5191264 Lighting system |
03/02/1993 | CA1314069C Light source with gradually changing intensity |
03/02/1993 | CA1314068C Remote control system, particularly for lighting, for space defined by variable configuration distribution zone |
02/25/1993 | DE4205287C1 Vehicle seat heating control circuit with manually operable switch - has timing unit, pulse counter coupled to drive stage, and power relay, with initial actuation of switch selecting first function and further ones selecting second function |
02/25/1993 | DE4127765A1 Light circuit e.g. for pocket lamp flashlight or torch - has electronic switch with decay circuit and microphone. so that lamp extinguishes after half a minute, but re-illuminates if there is sufficient noise |
02/24/1993 | EP0528326A1 Solar warning lamp |
02/24/1993 | EP0464060A4 Switch means incorporating slave relays |
02/24/1993 | CN2127459Y Multi-function vision protection desk lamp |
02/24/1993 | CN1069386A Inspection equipmen for illuminating system state |
02/23/1993 | US5189412 Remote control for a ceiling fan |
02/23/1993 | US5189344 Solid state strobe tube control circuit with programmable flash pattern |
02/18/1993 | WO1993003306A1 Spotlight |
02/18/1993 | DE4127295A1 Speech recognition system for equipment control e.g. lighting and radio - has input processed to identify key spectrum content for simple commands to control setting and on=off switching |
02/18/1993 | DE4126588A1 Switching trigger for electronically controlled power switch, e.g. lithging dimmer - has coupling stage with input operating at low voltage level and isolated from mains voltage output |
02/17/1993 | EP0527347A2 Solar powered lamp having a circuit for providing turn-on at low light levels |
02/16/1993 | US5187655 Portable programmer for a lighting control |