LandOfFree - US Patents - Listing for Electric lamp and discharge devices: systems

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition

Gas discharge lamp ballast circuit with high speed gate drive ci

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition

Gas discharge lamp ballast circuit with reduced parts-count star

Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Transformer in the supply circuit

Gas discharge lamp ballast with equally spaced windings

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit

Gas discharge lamp ballast with heating control circuit and meth

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition

Gas discharge lamp ballast with output voltage clamping circuit

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition

Gas discharge lamp ballast with piezoelectric transformer

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition

Gas discharge lamp ballast with tapless feedback circuit

Electric lamp and discharge devices: systems – Current and/or voltage regulation

Gas discharge lamp ballasting means

Electric lamp and discharge devices: systems – Surge generator or inductance in the supply circuit

Gas discharge lamp base comprising an ignition device

Electric lamp and discharge devices: systems – Surge generator or inductance in the supply circuit

Gas discharge lamp comprising a phosphor layer

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Discharge device load

Gas discharge lamp comprising a phosphor layer

Electric lamp and discharge devices: systems – Current and/or voltage regulation

Gas discharge lamp control

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Discharge device and/or rectifier in the cathode or heater...

Gas discharge lamp control circuit

Electric lamp and discharge devices: systems – Current and/or voltage regulation

Gas discharge lamp controller

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit

Gas discharge lamp dimming control method

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit

Gas discharge lamp dimming system

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition

Gas discharge lamp drive circuitry

Electric lamp and discharge devices: systems – Discharge device and/or rectifier in the supply circuit – Discharge device and/or rectifier in the primary circuit of...

Gas discharge lamp employing a pulse generator with a double sta

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Periodic switch in the primary circuit of the supply...

Gas discharge lamp energization circuit