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

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Pulse storing

Rapid warm-up heater circuit

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

Rapid warmup light actuator

Electric lamp and discharge devices: systems – Condenser in the supply circuit – Condenser in shunt to the load device and the supply

Rapid-firing flashlamp discharge circuit

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Electric switch inside evacuated or gas filled envelope

Rapid-start fluorescent lamp closure switch

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Electric switch inside evacuated or gas filled envelope

Rapid-start fluorescent lamp integrated circuit breaker structur

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Pulsating or a.c. supply to the cathode or heater circuit

Rapid-start fluorescent lamp power reducer

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

Rapid-start, low-pressure discharge lamp operating circuit

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

Rare gas control system

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

Rare gas discharge fluorescent lamp device

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

Rare gas discharge fluorescent lamp device

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

Rare gas discharge fluorescent lamp device

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

Rare gas discharge fluorescent lamp device

Electric lamp and discharge devices: systems – Discharge device load

Rare gas discharge lamp

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

Rare gas discharge lamp device

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

Rare gas discharge lamp device

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

Rare gas discharge lamp lighting apparatus

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

Rare gas fluorescent lamp apparatus

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

Rare gas fluorescent lamp device

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

Rare gas fluorescent lamp lighting apparatus