Patents
Patents for H05B 37 - Circuit arrangements for electric light sources in general (57,776)
01/1999
01/27/1999EP0893941A2 Process and system for operating and monitoring via their power distribution network discontinuously driven electrical loads
01/26/1999US5864184 Interface circuitry for facilitating installation of a control device
01/20/1999EP0771518B1 Electrical power control system
01/19/1999US5861717 Lighting system for controlling the color temperature of artificial light under the influence of the daylight level
01/19/1999CA2084241C Audible alert for automatic shutoff circuit
01/13/1999EP0890059A1 Luminaire
01/07/1999EP0889673A2 Dimmer
01/05/1999US5856727 Multi-purpose safety light
12/1998
12/30/1998EP0888034A2 Motion activated illuminating footwear and light module therefor with continuous/sequential oscillating lights
12/30/1998CN2302629Y Controller for digital electronic light system
12/22/1998US5852348 Christmas tree ornamental lighting system
12/17/1998WO1998057526A2 Electromagnetic energy distributions for electromagnetically induced mechanical cutting
12/16/1998EP0883889A1 Novel daylight lamp
12/10/1998WO1998056101A1 Low voltage illumination system
12/03/1998WO1998054933A1 Electronic ballast dimming system
12/02/1998EP0880874A1 Light monitoring system
12/02/1998EP0662275B1 Stage lighting lamp unit and stage lighting system including such unit
12/02/1998CN1200679A Method and apparatus for controlling lighting
12/01/1998US5844888 Network and intelligent cell for providing sensing, bidirectional communications and control
12/01/1998US5844540 Liquid crystal display with back-light control function
11/1998
11/26/1998DE19748451A1 Switchgear for central on and off switching of consumer appliances
11/26/1998DE19742316A1 Circuit for displaying operating condition of protective device
11/25/1998EP0880308A2 Device for monitoring and managing lighting systems
11/25/1998EP0879442A1 Method for controlling a switch and a light-actuated switch
11/25/1998EP0879437A1 A programmable light beam shape altering device using programmable micromirrors
11/24/1998CA2134848C Modular lamp power supply system
11/19/1998WO1998052386A1 Electronically controlled stage lighting system
11/18/1998EP0878114A1 Energy management control system
11/18/1998EP0878113A1 Luminescence control by sensing wind speed
11/18/1998EP0878112A1 Moveable desktop load controller
11/17/1998US5838116 Fluorescent light ballast with information transmission circuitry
11/11/1998EP0876741A1 Lighting control with wireless remote control and programmability
11/11/1998EP0876715A1 Remotely controlling and determining electrical device status
11/11/1998EP0876264A1 Automatic light switch
11/11/1998CN1198539A Rear-lighting light-controller for keyboard
11/10/1998US5834901 Flashing light string assembly with a pair of sub-light strings per plug
11/05/1998WO1998049872A1 Traffic signals
11/05/1998WO1998049699A1 Module for controlling current to a load including sensing of the position of a switch
11/04/1998EP0875984A1 Dimmer
11/03/1998US5831392 Device for conditioning control signal to electron emitter, preferably so that collected electron current varies linearly with input control voltage
11/03/1998US5831391 Timer controlled outdoor ground lighting system with intruder detection
10/1998
10/29/1998WO1998048597A1 Circuitry for dimming a fluorescent lamp
10/29/1998WO1998048504A1 Electrical plug
10/29/1998DE19715028A1 Bus System Driven Units for luminosity level adjustment
10/28/1998CN2296069Y Convenient switch
10/27/1998US5828182 Apparatus for supplying power from a ballast circuit to an auxiliary load
10/22/1998WO1998047120A1 Monitoring and control systems and methods
10/22/1998DE19715254A1 Gas discharge lamp operating circuit incorporating lamp monitoring function
10/21/1998EP0872163A1 Method of semiautomatic ambient light sensor calibration in an automatic control system
10/21/1998EP0872162A1 Lighting control
10/21/1998CN1196866A Ballast circuit
10/20/1998US5825135 Halogen lamp control circuit assembly
10/20/1998US5825019 For use in connection with a light level sensor
10/20/1998US5823950 Manual and automatic probe calibration
10/20/1998US5823660 Automatic lighting control device for a decorative light string
10/15/1998WO1998046049A1 Method and circuit for operating an electrical light
10/15/1998DE19714416A1 Verfahren und Schaltungsanordnung zum Betreiben eines elektrischen Leuchtmittels, insbesondere einer Gasentladungslampe, zB einer UV-Niederdruckröhre Method and circuit arrangement for operating an electrical luminous means, in particular a gas discharge lamp, for example a UV low-pressure tube
10/14/1998EP0871350A2 Lighting device
10/14/1998EP0871105A1 Lighting system
10/14/1998EP0871104A1 Lighting control unit
10/14/1998EP0871103A1 Lighting control unit
10/14/1998EP0870646A2 Electronic blinker
10/13/1998US5821853 Ambient light monitoring system
10/13/1998US5821704 Signal decoder apparatus for use in a programmable device
10/08/1998WO1998015840A3 System for monitoring the condition of a plurality of lamps
10/08/1998DE19739740A1 Light radiation control device for vehicle gas discharge lamp
10/08/1998DE19713262A1 Automatic gas discharge lamp switching device
10/06/1998US5818128 Wireless multiple position switching system
10/01/1998DE19712925A1 Control device for candle-shaped incandescent lamp group
09/1998
09/29/1998US5815067 Single control wire device for HID dimming
09/29/1998US5814950 Signal decoder apparatus
09/29/1998US5814945 Lighting fixture control device
09/29/1998US5814902 System and process for control of energy use by direct observation of occupancy
09/24/1998WO1998041895A1 Remotely controlled dimmer
09/24/1998WO1998041793A2 High efficiency lighting system
09/24/1998DE19711885A1 Controlled cyclic variation in electrical lighting level
09/23/1998EP0866647A2 Circuit for operating a high pressure discharge lamp with a starting period shunting mode
09/22/1998US5812596 Repeater for use in a control network
09/22/1998US5812422 Computer software for optimizing energy efficiency of a lighting system for a target energy consumption level
09/22/1998US5811942 Device for optimized management of fluorescent lamps
09/16/1998EP0864066A1 Lamp with safety features
09/15/1998US5808597 Illumination device for liquid crystal display apparatus
09/15/1998US5808423 Lighting control for reducing energy consumption
09/15/1998US5808417 Lighting control system with corrugated heat sink
09/15/1998US5808294 Electronic controller for scheduling device activation by sensing daylight
09/11/1998WO1998039949A1 Control switch and electronic ballast with said control switch
09/10/1998DE19708791A1 Steuerschaltung und elektronisches Vorschaltgerät mit einer derartigen Steuerschaltung Control circuit and electronic ballast with such a control circuit
09/09/1998EP0862486A1 Method and apparatus for controlling lighting
09/09/1998EP0728275A4 Theatrical lighting control network
09/08/1998US5805061 Electronic flasher unit for vehicle lighting system and method of monitoring the operation thereof
09/02/1998EP0766881B1 Control system for several distributed consumers and process for setting said control system into operation
09/02/1998CN2290163Y Light regulator for non-battery motor vehicle
09/02/1998CN2290162Y 节能装饰灯 Energy-saving lights
09/02/1998CN1192271A Light source with adjustable wavelength for an oximeter
09/02/1998CN1191821A Motor vehicle display apparatus
09/01/1998US5801494 Rapid restrike with integral cutout timer
08/1998
08/26/1998EP0860844A1 Manually operable device for remote control of electrical apparatus
08/26/1998EP0754081A4 Synthesized music, sound and light system
08/25/1998US5798619 Power supply for energizing a remote resistive load
08/25/1998CA2104797C Monitoring apparatus and system