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

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

FET-bipolar electronic ballast

Electric lamp and discharge devices: systems – With radiant energy sensitive control means – Load device irradiating the radiant energy responsive device

Fiber-optic anti-cycling device for street lamps

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

Field controlled plasma discharge device

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Cathode-ray deflections circuits

Field deflection circuit

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Cathode-ray deflections circuits

Field deflection circuit for use in a picture display device

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Cathode-ray deflections circuits

Field deflection circuit in a picture display device

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Automatic cut-out or voltage regulator in the cathode or...

Field emision electron gun with controlled power supply

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Automatic cut-out or voltage regulator in the cathode or...

Field emission apparatus

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

Field emission array (FEA) addressed deformable light valve...

Electric lamp and discharge devices: systems – Discharge device load – Discharge control discharge device load

Field emission cathode

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

Field emission cathode

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

Field emission cathode

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Combined cathode ray tube and circuit element structure

Field emission cathode and electromagnetic wave generating...

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

Field emission cathode apparatus

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Combined cathode ray tube and circuit element structure

Field emission cathode gating for RF electron guns and...

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Combined cathode ray tube and circuit element structure

Field emission cathode gating for RF electron guns and...

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Combined cathode ray tube and circuit element structure

Field emission cathode gating for RF electron guns and...

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

Field emission cathode structure using perforated gate

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

Field emission cathode type electron gun with individually-contr