LandOfFree - US Patents - Listing for Electric lamp and discharge devices: systems,Pulsating or a.c. supply

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

Backlight system having a lamp current balance and feedback...

Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Induction-type discharge device load

Backlight using transverse dynamic RF electric field and transpa

Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Plural load device systems

Backlighting system for display screen

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

Balance controlling circuit

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

Balanced circuit for multi-LED driver

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

Balanced circuit for multi-LED driver

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

Balanced current lamp module and multi-lamp circuit

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

Balanced current lamp module and multi-lamp circuit

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

Balanced power supply circuit for multiple cold-cathode fluoresc

Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Plural load device systems

Balancing and shunt magnetics for gaseous discharge lamps

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

Balancing arrangement with reduced amount of balancing...

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

Ballast

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

Ballast circuit for a 220-volt improved lighting unit

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

Ballast circuit for accurately regulating HID lamp wattage

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

Ballast circuit for fluorescent lamp

Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Plural load device systems

Ballast circuit for multiple parallel negative impedance loads

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

Ballast circuit having enhanced output isolation transformer...

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

Ballast circuit with an ignitor for starting multiple HID lamps

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

Ballast circuit with improved transfer functions