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