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

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

Lamp bulb having integrated lighting function control circuitry

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

Lamp bulb having integrated RFI suppression and method of restri

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

Lamp bulb with integrated bulb control circuitry and method of m

Electric lamp and discharge devices: systems – Automatic substitution of the load device or electrode – Plural substitution of load devices or electrodes

Lamp changing system for projectors

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

Lamp circuit

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

Lamp circuit

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

Lamp circuit apparatus

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

Lamp circuit arrangement for controlling current flow through sw

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

Lamp circuit for automobile

Electric lamp and discharge devices: systems – Special application – Vehicle

Lamp circuit for automobiles

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

Lamp circuit limited to a booster in which the power output decr

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

Lamp circuit of liquid crystal device backlight source

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

Lamp circuit with disconnected lamp detecting device

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

Lamp circuit with disconnected lamp detecting device

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

Lamp circuit with disconnected lamp detecting device

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

Lamp circuit with disconnected lamp detecting device

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Delayed application of the discharge potential

Lamp circuit with filament current fault monitoring means

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

Lamp color control for dimmed high intensity discharge lamps

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

Lamp containing fixed reverse phase switching power supply...