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

Electric lamp and discharge devices: systems – Plural diverse-type load devices

Lamp socket for use with multi-level bulb and nightlight

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

Lamp stand with multi-stage light modulation

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

Lamp starting and operating procedure in electronic ballast

Electric lamp and discharge devices: systems – Surge generator or inductance in the supply circuit

Lamp starting apparatus for liquid crystal projector

Electric lamp and discharge devices: systems – Surge generator or inductance in the supply circuit – Circuit interrupter in the inductance circuit

Lamp starting circuit

Electric lamp and discharge devices: systems – Surge generator or inductance in the supply circuit – Circuit interrupter in the inductance circuit

Lamp starting circuit

Electric lamp and discharge devices: systems – Plural series connected load devices – Christmas lights

Lamp string controlling device

Electric lamp and discharge devices: systems – Plural series connected load devices – Christmas lights

Lamp string with an open-circuit-proof structure

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

Lamp structure with coaxial ring switch module

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

Lamp supply circuit

Electric lamp and discharge devices: systems – Automatic substitution of the power supply – With load device or electrode substitution

Lamp switching

Electric lamp and discharge devices: systems – Plural load device systems – Plural discharge device loads

Lamp switching circuit and method

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

Lamp system take control dimming circuit

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

Lamp system with electronic ballast

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Plural circuit elements

Lamp that sets desired RMS load voltage with variable pulse...

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

Lamp transformer for use with an electronic dimmer and...

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Distributed parameter resonator-type magnetron

Lamp utilizing fiber for enhanced starting field

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

Lamp voltage feedback system and method for open lamp...

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

Lamp voltage feedback system and method for open lamp...