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

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

Ladder supported ring bar circuit

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Plural concentrating – accelerating – and/or de-accelerating...

Laminar flow guns for light valves

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

Lamp abnormality detecting device and inverter, backlight...

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

Lamp adaptable ballast circuit

Utility Patent

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

Lamp adapter

Electric lamp and discharge devices: systems – With load device temperature modifier

Lamp and fan thermal control by directed air flow

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

Lamp apparatus for generating sequential flashes

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

Lamp apparatus for liquid crystal display device

Electric lamp and discharge devices: systems – Pulsating or a.c. supply – With power factor control device

Lamp arrangement employing a resonant circuit formed from an aut

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

Lamp assembly incorporating optical feedback

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

Lamp assembly, back light assembly having the same, display...

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

Lamp ballast

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

Lamp ballast circuit

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

Lamp ballast circuit

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

Lamp ballast circuit

Electric lamp and discharge devices: systems – Condenser in the supply circuit – Inductance in the condenser circuit

Lamp ballast circuit characterized by a single resonant frequenc

Electric lamp and discharge devices: systems – Condenser in the supply circuit – Electric switch in the condenser circuit

Lamp ballast circuit characterized by a single resonant frequenc

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

Lamp ballast circuit with cathode preheat function

Electric lamp and discharge devices: systems – With signal – indicator – or alarm

Lamp ballast circuit with overload detection and ballast operabi