| Patents for H05B 41 - Circuit arrangements or apparatus for igniting or operating discharge lamps (35,100) |
|---|
| 07/07/1992 | US5128594 Illumination control apparatus |
| 07/07/1992 | US5128593 Power supply for gas-filled lamps |
| 07/07/1992 | US5128592 High frequency ballast for gaseous discharge lamps |
| 07/07/1992 | US5128591 Strobe alarm circuit |
| 07/07/1992 | US5128590 Compact fluorescent lamp |
| 07/07/1992 | CA1304773C Power supply for microwave discharge light source |
| 07/05/1992 | CA2058653A1 High frequency oscillator-inverter circuit for discharge lamps |
| 07/01/1992 | EP0492722A2 Grid controlled gas discharge lamp |
| 07/01/1992 | EP0492715A2 Inverter device |
| 07/01/1992 | CN2109048U Fluorescent lamp adapted to low voltage |
| 07/01/1992 | CN2109047U Capacity type ballast for fluorescent lamp |
| 07/01/1992 | CN2109046U Double voltage type fluorescent lamp ballast |
| 07/01/1992 | CN2109045U Super functional fluorescent lamp |
| 07/01/1992 | CN2109044U Electronic glow starter for fluorescent lamp |
| 07/01/1992 | CN2109043U Glow starting switch |
| 06/30/1992 | US5126637 Luminous power supply with improved transformer means |
| 06/30/1992 | CA1304445C Power control system |
| 06/25/1992 | WO1992010920A1 Electrical circuit for the pulsed operation of high-pressure gas-discharge lamps |
| 06/25/1992 | DE4041958A1 Starting and operating LV fluorescent lamp(s) - using electronic unit supplying pulses to control main load switch and starter for switching within each voltage cycle |
| 06/25/1992 | DE4036550A1 Ballast circuitry for low pressure discharge lamps - uses rectifier and push=pull electronic circuit to ignite lamps on each half-cycle |
| 06/24/1992 | EP0491434A1 Fluorescent lamp electrode disconnect arrangement |
| 06/24/1992 | CN2108403U General starting switch for fluorescent lamp |
| 06/24/1992 | CN2108402U Multifunctional electronic ballast |
| 06/24/1992 | CN2108219U Fluorescent lamp |
| 06/24/1992 | CN1062237A Starting aid for electrodeless high intensity discharge lamp |
| 06/23/1992 | US5124895 Electric discharge lamp arrangement and headlamp for motor vehicle using same |
| 06/23/1992 | US5124619 Circuit for driving a gas discharge lamp load |
| 06/22/1992 | CA2056539A1 Feedback control system for a high-efficiency class-d power amplifier circuit |
| 06/20/1992 | CA2057682A1 Fluorescent lamp electrode disconnect arrangement |
| 06/17/1992 | EP0490647A2 Method of hot restarting electrodeless hid lamps |
| 06/17/1992 | EP0490429A2 High pressure discharge lamp |
| 06/17/1992 | EP0490330A1 Control circuit for gasdischarge lamps |
| 06/17/1992 | EP0490329A1 System for controlling the light intensity and the behaviour of gas discharge lamps |
| 06/17/1992 | DE4040183A1 Hand lamp with compact fluorescent tube - has DC supply, HF ballast, and light sensitive resistor for transistor switching |
| 06/17/1992 | CN2107754U Electronic blast |
| 06/17/1992 | CN2107753U Energy-saving electronic blast for fluorescent lamp |
| 06/17/1992 | CN2107752U Riveting type starter installation pin |
| 06/17/1992 | CN2107751U No neon bulb electronic starter |
| 06/17/1992 | CN2107750U Combined mercury sodium lamp blast device |
| 06/16/1992 | US5122714 Switching device and high-pressure discharge lamp |
| 06/16/1992 | US5122712 Method and circuit to operate a low-pressure discharge lamp, particularly compact fluorescent lamp |
| 06/13/1992 | CA2057271A1 High pressure discharge lamp |
| 06/11/1992 | DE4039186A1 Schaltungsanordnung zum impulsbetrieb von hochdruckentladungslampen Circuit for pulse operation of high pressure discharge lamps |
| 06/10/1992 | EP0489532A1 Electrodeless discharge lamp |
| 06/10/1992 | EP0489477A1 Operating circuit for gas discharge lamps |
| 06/10/1992 | EP0489476A2 Rapid start fluorescent lamp having quick hot restarting |
| 06/10/1992 | CN2107113U High-efficient electronic ballast of fluorescent lamp |
| 06/10/1992 | CN2107112U High-efficient electronic dc ballast |
| 06/10/1992 | CN2107111U Capactive ballast of fluorescent lamp |
| 06/10/1992 | CN2107110U Electronic ballast of fluorescent lamp |
| 06/10/1992 | CN1017022B Multifunctional glow starter for fluorescent lamp |
| 06/09/1992 | US5121034 Acoustic resonance operation of xenon-metal halide lamps |
| 06/09/1992 | US5121033 Strobe circuit utilizing optocoupler in DC-to-DC converter |
| 06/09/1992 | US5121032 Power supply for turning on small fluorescent light of liquid crystal display TV |
| 06/05/1992 | CA2056553A1 Two-stage resonant starting circuit for an electrodeless high intensity discharge lamp |
| 06/05/1992 | CA2056520A1 Starting aid for an electrodeless high intensity discharge lamp |
| 06/04/1992 | WO1992010075A1 A wide dimming range gas discharge lamp drive system |
| 06/04/1992 | CA2096624A1 Wide dimming range gas discharge lamp drive system |
| 06/03/1992 | EP0488478A2 Inverter device |
| 06/03/1992 | EP0488002A1 Process and device for operating discharge lamps through electronic ballasts |
| 06/03/1992 | CN2106472U Capacitor mouth full wave ballast |
| 06/03/1992 | CN2106471U Big power high voltage starter for fluorescent lamp |
| 06/03/1992 | CN2106470U Constant light fluorescent lamp ballast |
| 06/02/1992 | US5119275 Aimable headlamp having a discharge lamp bulb and a lighting circuit positioned in proximity thereof |
| 06/02/1992 | US5118998 Multi-tap primary coil for gas discharge lamps |
| 06/02/1992 | US5118997 Dual feedback control for a high-efficiency class-d power amplifier circuit |
| 06/02/1992 | US5118996 Starting circuit for an electrodeless high intensity discharge lamp |
| 06/02/1992 | US5118995 Lighting and flash device |
| 06/02/1992 | US5118994 Method and circuit for improved hid lamp maintenance |
| 06/02/1992 | US5118992 Fluorescent lamp controlling arrangement |
| 06/02/1992 | US5118990 Discharge lamp system |
| 05/27/1992 | CN2105824U Trigger for capacitor current limiting discharge lamp |
| 05/27/1992 | CN2105823U Rapid electronic starter |
| 05/27/1992 | CN2105822U Combined fluorescent lamp |
| 05/26/1992 | US5117252 Electronic flash control system for use in a fixed focus lens camera for increasing depth of field by the timing of flash actuation |
| 05/26/1992 | US5117215 Inductive device |
| 05/26/1992 | US5117178 Fail-safe load power management system |
| 05/26/1992 | US5117161 Electronic ballast for gas discharge lamps |
| 05/26/1992 | US5117158 Electronic ballast for fluorescent lights |
| 05/26/1992 | US5117157 Ballast circuits for discharge lamps |
| 05/26/1992 | US5117156 Rapid start fluorescent lamp having quick hot restarting |
| 05/20/1992 | EP0485866A1 Switching circuit for operating a discharge lamp |
| 05/20/1992 | EP0485865A1 Circuit for operating a discharge lamp |
| 05/20/1992 | EP0485400A1 Process for igniting a gas-discharge lamp |
| 05/20/1992 | CN2105170U Transistor ballast with stageless regulating light |
| 05/20/1992 | CN2105168U Light variable controller of fluorecent lamp |
| 05/20/1992 | CN2105167U Long service and contactless trigger of fluorecent lamp |
| 05/19/1992 | US5115347 Electronically power-factor-corrected ballast |
| 05/19/1992 | US5115169 Flash light control circuit |
| 05/19/1992 | US5115168 Power supply for microwave discharge light source |
| 05/19/1992 | US5115165 Safety lighting means for use with a high intensity discharge lamp |
| 05/15/1992 | WO1992009183A1 Switching excitation supply for argon-mercury discharge tubes |
| 05/15/1992 | CA2075909A1 Switching excitation supply for argon-mercury discharge tubes |
| 05/14/1992 | WO1992008240A1 High power lamp |
| 05/13/1992 | EP0484678A1 Bridge circuit and method for operating an inverter controlled bridge circuit |
| 05/12/1992 | US5113330 Aimable headlamp having a discharge lamp bulb and a lighting circuit therefor |
| 05/12/1992 | US5113121 Electrodeless HID lamp with lamp capsule |
| 05/12/1992 | US5113085 Circuit arrangement for supplying a load |
| 05/06/1992 | EP0335881A4 Method and apparatus for driving neon tube to form luminous bubbles and controlling the movement thereof |
| 05/05/1992 | US5111380 Controlled series-resonance-loaded inverter |