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Class Information
Number: 315/209R
Name: Electric lamp and discharge devices: systems > Periodic switch in the supply circuit
Description:


Sub-classes under this class:

Class Number Class Name Patents
315/209CD Capacitor dischargeneous ignition systems 170
315/224 Impedance or current regulator in the supply circuit 1,601
315/218 Magnetoelectric generator supply 27
315/209M Miscellaneous ignition systems 39
315/225 Periodic switch cut-out 322
315/219 Periodic switch in the primary circuit of the supply transformer 630
315/209PZ Piezoelectric ignition systems 62
315/210 Plural load device systems 70
315/226 Plural periodic switches or multiple contact periodic switch 214
315/209SC Silicon controlled rectifier ignition 100
315/209T Transistorized ignition systems 191


Patents under this class:
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Patent Number Title Of Patent Date Issued
6100643 Modular electronic lighting system Aug. 8, 2000
6100644 Dimmable and non-dimmable electronic ballast for plural fluorescent lamps Aug. 8, 2000
6100645 Ballast having a reactive feedback circuit Aug. 8, 2000
6100646 Ballast feedback scheme Aug. 8, 2000
6100647 Lamp ballast for accurate control of lamp intensity Aug. 8, 2000
6100648 Ballast having a resonant feedback circuit for linear diode operation Aug. 8, 2000
6101110 Circuit arrangement Aug. 8, 2000
6097160 Device and process for operating a gas discharge lamp having a resonant circuit that contains the gas discharge lamp Aug. 1, 2000
6097162 Power supply system for a fluorescent lamp Aug. 1, 2000
6094017 Dimming ballast and drive method for a metal halide lamp using a frequency controlled loosely coupled transformer Jul. 25, 2000
6091207 Pump support choke Jul. 18, 2000
6091614 Voltage booster for enabling the power factor controller of a LED lamp upon low ac or dc supply Jul. 18, 2000
6087785 Harmonized strategy for eliminating acoustic resonance in a fluorescent lamp Jul. 11, 2000
6087787 Fluorescent-lamp excitation circuit with frequency and amplitude control and methods for using same Jul. 11, 2000
6088249 Frequency modulated ballast with loosely coupled transformer Jul. 11, 2000
6084361 Discharge lamp operating circuit with on time control of switching transistor Jul. 4, 2000
6084362 Electronic ballast capable of linear and stepless light regulation Jul. 4, 2000
6081075 DC to AC switching circuit for driving an electroluminescent lamp exhibiting capactive loading characteristics Jun. 27, 2000
6078143 Gas discharge lamp ballast with output voltage clamping circuit Jun. 20, 2000
6078144 Electronic ballast with inrush current limiting Jun. 20, 2000
6078147 Discharge lamp ballast circuit with duty cycle dimming control Jun. 20, 2000
6072283 Micro-controller-operated high intensity discharge lamp ballast system and method Jun. 6, 2000
6072284 Three-way compact fluorescent lamp ballast and lamp holder incorporating same Jun. 6, 2000
6072285 Soft starter device for lamps Jun. 6, 2000
6072710 Regulated self-oscillating resonant converter with current feedback Jun. 6, 2000
6069453 Ballast circuit for reducing striations in a discharge lamp May. 30, 2000
6069454 Ignition circuit for a discharge lamp May. 30, 2000
6069455 Ballast having a selectively resonant circuit May. 30, 2000
6066924 Candle emulation May. 23, 2000
6066925 Capacitive discharge-lighting of an incandescent lamp May. 23, 2000
6060842 Electronic ballast lighting power control device May. 9, 2000
6057648 Gas discharge lamp ballast with piezoelectric transformer May. 2, 2000
6057651 Lighting apparatus May. 2, 2000
6054813 Neon discharging lamp lighting apparatus with improved lighting Apr. 25, 2000
6054815 Ballast for a discharge lamp Apr. 25, 2000
6054816 Active snubbing in a discharge lamp ballast Apr. 25, 2000
6051930 Extended wire connector for starting compact fluorescent lamp system Apr. 18, 2000
6051933 Bipolar power device having an integrated thermal protection for driving electric loads Apr. 18, 2000
6051934 Gas discharge lamp ballast circuit with high speed gate drive circuitry Apr. 18, 2000
6049177 Single fluorescent lamp ballast for simultaneous operation of different lamps in series or parallel Apr. 11, 2000
6043606 Discharge lamp device having a preheating electrode circuit Mar. 28, 2000
6043609 Control circuit and method for illuminating an electroluminescent panel Mar. 28, 2000
6043612 Electronic ballast with automatic restarting Mar. 28, 2000
6043615 Flashing and dimming fluorescent lamps for a gaming device Mar. 28, 2000
6040662 Fluorescent lamp inverter apparatus Mar. 21, 2000
6037720 Level shifter Mar. 14, 2000
6038153 Inverter circuit for illuminating an electroluminescent lamp Mar. 14, 2000
6034484 Piezoelectronic ballast for fluorescent lamp Mar. 7, 2000
6034485 Low-voltage non-thermionic ballast-free energy-efficient light-producing gas discharge system and method Mar. 7, 2000
6034487 Lighting circuit for discharge lamp Mar. 7, 2000

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