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

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

Operating circuit for a dielectrically impeded discharge...

Electric lamp and discharge devices: systems – Plural power supplies – Diverse-type current supplies

Operating circuit for a direct current discharge lamp

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

Operating circuit for a discharge lamp

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Periodic switch cut-out

Operating circuit for a discharge lamp with early EOL detection

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

Operating circuit for a discharge lamp with preheatable...

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

Operating circuit for a discharge lamp with...

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

Operating circuit for a gas and/or vapour discharge lamp

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

Operating circuit for a high-pressure discharge lamp

Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Induction-type discharge device load

Operating circuit for an electrodeless low-pressure discharge la

Electric lamp and discharge devices: systems – Plural power supplies – Discharge device and/or rectifier in one of the supply circuits

Operating circuit for an inductively ballasted arc discharge lam

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

Operating circuit for discharge lamps with switchable...

Electric lamp and discharge devices: systems – Automatic substitution of the load device or electrode – Diverse-type load device or electrode substituted

Operating circuit for discharge lamps with voltage starting circ

Electric lamp and discharge devices: systems – Automatic substitution of the power supply

Operating circuit for electric discharge lamp

Electric lamp and discharge devices: systems – Plural power supplies – Plural cathode and/or anode load device

Operating circuit for electroluminescent panel

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

Operating circuit for flash lamp directly coupled to AC source

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

Operating circuit for gas discharge lamps

Electric lamp and discharge devices: systems – Automatic substitution of the load device or electrode – Diverse-type load device or electrode substituted

Operating circuit for gaseous discharge and incandescent lamps

Electric lamp and discharge devices: systems – With signal – indicator – or alarm – Electrically operated switch controlling the signal circuit

Operating circuit for high-pressure discharge lamps with an igni

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

Operating circuit for low-power low-pressure discharge lamps, pa