LandOfFree - US Patents - Listing for Electric lamp and discharge devices: systems,Periodic switch in the supply circuit

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

Standby lighting for lamp ballasts

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

Start up frequency adjustment in an electronic power device for

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

Starter for a high-pressure gas discharge lamp

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

Starting and operating circuit for arc discharge lamp

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

Starting and operating circuit for arc discharge lamp

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

Starting and operating circuit for arc discharge lamp

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

Starting and operating circuit for gaseous discharge lamps

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Plural periodic switches or multiple contact periodic switch

Starting and operating method and apparatus for discharge lamps

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

Starting device for discharge tube

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

Starting fluorescent lamps with a voltage fed inverter

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

Starting transformer for gas lamps with open secondary

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

State detection device

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

Strobe flash lamp power supply with afterglow prevention circuit

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

Strobe flash lamp power supply with input voltage feedthrough af

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

Strobe trigger pulse generator

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Plural load device systems

Sun tanning apparatus having electronic operating system

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

Supply circuit for discharge lamps with means for preheating the

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

Supply circuit for discharge lamps with overvoltage protection

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

Switch mode power supply