H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps

Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100)
11/1997
11/26/1997	CN1166263A Circuit arrangement
11/25/1997	US5691607 Modular high power modulator
11/25/1997	US5691606 Ballast circuit for fluorescent lamp
11/25/1997	US5691605 For an electric lamp
11/25/1997	US5691604 Method and circuit system for controlling a lighting electronics appliance
11/25/1997	US5691603 Electronic ballast with multiple lamp loads
11/25/1997	CA2089772C Dc-ac converter for igniting and supplying a gas discharge lamp
11/20/1997	WO1997043881A1 Dimmable ballast
11/20/1997	WO1997043880A1 Ballast circuit
11/20/1997	WO1997043879A1 Power supply for feeding and igniting a gas discharge lamp
11/20/1997	WO1997043878A1 Electronic ballast
11/20/1997	WO1997043877A1 Circuit arrangement
11/20/1997	WO1997043876A1 Distributed network control of a dimmable fluorescent lighting system
11/20/1997	WO1997043875A1 A power processor for metal halide lamps
11/20/1997	DE19719789A1 Compact fluorescent lamp and self-contained series control circuit
11/20/1997	DE19719064A1 Control circuit for gas discharge lamp requiring no transformer
11/19/1997	EP0808086A1 High voltage ic-driven half-bridge gas discharge ballast
11/19/1997	EP0808085A2 High frequency operating circuit with improved electromagnetic compatibility for low pressure discharge lamps
11/19/1997	EP0808084A2 Safety shutdown in case of asymmetrical power consumption
11/19/1997	EP0808083A2 Circuit for operating a load and electronic ballast with such a circuit for operating a lamp
11/19/1997	CN2268353Y Impedance type ballast for fluorescent lamp
11/19/1997	CN2268352Y Split neon-lamp electronic transformer
11/18/1997	US5689155 Electronic stabilizer having a variable frequency soft start circuit
11/13/1997	WO1997042797A1 Inverter
11/13/1997	WO1997042796A1 Ballast
11/13/1997	WO1997042795A1 Power supply for feeding and igniting a discharge lamp
11/13/1997	WO1997042794A1 Ballast
11/13/1997	WO1997042651A2 Integrated hid reflector lamp
11/13/1997	WO1997042650A2 High-pressure discharge lamp
11/13/1997	WO1997042555A1 Method and apparatus for controlling power delivered to a fluorescent lamp
11/13/1997	DE19619022A1 Small drinking water tank has submerged UV light emitter
11/13/1997	CA2226556A1 High-pressure discharge lamp
11/13/1997	CA2226467A1 Integrated hid reflector lamp
11/12/1997	EP0806888A1 Ballast circuit for a gas discharge lamp
11/12/1997	EP0689689A4 Energy saving power control system
11/12/1997	CN2267601Y Electronic starter for fluorescent lamp
11/12/1997	CN1164811A Electronic driver for water treatment system UV bulb
11/11/1997	US5686799 Ballast circuit for compact fluorescent lamp
11/11/1997	US5686798 Lamp ballast circuit characterized by a single resonant frequency substantially greater than the fundamental frequency of the inverter output signal
11/11/1997	US5686793 Excimer lamp with high pressure fill
11/06/1997	WO1997041497A1 Modular high power modulator
11/06/1997	DE19707986A1 Switching circuit for discharge lamp
11/06/1997	DE19627988C1 Electrical plug-in connection for door or window operating drive
11/05/1997	EP0805521A1 Grounding member
11/05/1997	EP0804864A1 Circuit arrangement
11/05/1997	EP0804863A1 Circuit arrangement
11/05/1997	EP0804862A2 Process and circuit arrangement for operating cold cathode discharge lamps
11/05/1997	CN2266856Y Integral solidifying electronic ballast
11/05/1997	CN2266855Y Four-cathode fluorescent lamp and its power frequency electronic ballast
11/05/1997	CN2266854Y Programmable universal starter
11/05/1997	CN1164173A Flash control circuit
11/04/1997	US5684367 Color control and arc stabilization for high-intensity, discharge lamps
11/04/1997	CA2107139C Fluorescent lamp starter
10/1997
10/30/1997	WO1997040519A1 Electrodeless low-pressure discharge lamp
10/30/1997	DE19710691A1 Lighting circuit for vehicle discharge lamp with filter circuit and main circuit
10/30/1997	DE19709966A1 Motor vehicle discharge lamp lighting circuit supplied with DC voltage from DC source
10/30/1997	DE19705776A1 Discharge lamp turning ON circuit e.g. for metal halide lamp of light source in vehicle
10/30/1997	CA2201446A1 Apparatus for dimming discharge lamp having electromagnetic regulator with selectively tapped capacitor winding
10/29/1997	EP0804052A2 Control circuit for a discharge lamp
10/29/1997	EP0803172A1 Starter circuit for discharge lamps
10/29/1997	CN2266252Y Ballast for fluorescent light
10/29/1997	CN2266251Y Ballast
10/29/1997	CN2266250Y Ballast for fluorescent lamp
10/28/1997	US5682086 Dynamic filter for an electronic ballast with a parallel-load resonant inverter
10/28/1997	US5682067 Circuit for reversing polarity on electrodes
10/23/1997	WO1997039606A1 Circuit arrangement
10/23/1997	WO1997039605A1 Circuit arrangement
10/23/1997	WO1997039517A1 Switch mode power supply
10/23/1997	WO1997039496A1 Electrical connector and electrical connecting component for use therein
10/23/1997	DE19614988A1 Elektrische Anschlußvorrichtung und elektrisches Verbindungselement zur Verwendung in einer elektrischen Anschlußvorrichtung Electrical connecting device and electrical connecting element for use in an electrical connection device
10/23/1997	CA2225320A1 Circuit arrangement
10/22/1997	EP0802703A1 Discharge lamp lighting device
10/22/1997	EP0802702A2 Higher-efficiency cold-cathode fluorescent lamp power supply
10/22/1997	EP0801881A1 Method of operating at least one fluorescent lamp with electronic ballast, and ballast therefor
10/22/1997	EP0698336A4 Dimming circuit for powering gas discharge lamps
10/22/1997	CN2265626Y Current transformer
10/21/1997	US5680286 Load fault detector for high frequency luminous tube power supply
10/21/1997	US5680017 Driving scheme for minimizing ignition flash
10/21/1997	US5680016 Transformerless electronic ballast for gaseous discharge lamps
10/21/1997	US5680015 Method to operate a discharge lamp, and circuit arrangement for operation of the discharge lamp
10/17/1997	CA2174253A1 Three phase flicker free hmi lamp
10/16/1997	WO1997038561A1 Circuit arrangement
10/16/1997	WO1997038560A1 Light source lamp unit, light source device, and projection display device
10/16/1997	WO1997038476A1 Single switch ballast with integrated power factor correction
10/16/1997	DE19614827A1 Light source control apparatus e.g. for gas discharge tube
10/16/1997	CA2200932A1 Higher-efficiency cold-cathode fluorescent lamp power supply
10/15/1997	EP0801519A2 A novel circuit for power factor and lamp efficiency
10/15/1997	EP0800724A1 Lamp oscillator for atomic frequency standards
10/15/1997	CN2265056Y Neon (colour) light controller
10/14/1997	US5678077 Electronic flash device and camera equipped with said device
10/14/1997	US5677998 Apparatus for pulsed electrical circuitry
10/14/1997	US5677602 High efficiency electronic ballast for high intensity discharge lamps
10/14/1997	US5677601 Operating circuit for low-power low-pressure discharge lamps, particularly compact fluorescent lamps
10/14/1997	US5677598 Low-pressure mercury discharge lamp with color temperature adjustment
10/09/1997	DE19713935A1 Compact discharge lamp power supply e.g. for motor vehicle head-light
10/08/1997	EP0800335A2 Circuit for operating electric lamps
10/08/1997	EP0799521A1 Power supply circuit
10/08/1997	CN1161631A Full range (high efficiency) light modulation electronic ballast for fluorescent lamp of return current limitation type
10/07/1997	US5675491 Self-exciting push-pull inverter having reduced dielectric strength requirements
10/07/1997	US5675221 Apparatus and method for transmitting foward/receiving dimming control signal and up/down encoding manner using a common user power line

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