LandOfFree - US Patents - Listing for Electric lamp and discharge devices: systems,Periodic switch in the supply circuit

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

Feedback circuit and method of operating ballast resonant...

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

Feedback circuit for DC/AC inverter

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

Feedback circuit for push-pull inverters

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

Feedback sampling control circuit for lamp driving system

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

Feedback-controlled circuit and method for powering a high inten

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 – Periodic switch in the supply circuit – Silicon controlled rectifier ignition

Filament-free lamp tube structure

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

Fire-initiation-safe lighting system

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

Fixed operating frequency inverter for cold cathode...

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

Flash tube modulator

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

Flashlight with soft turn on control

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

Flickering flame effect electric light controller

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Periodic switch cut-out

Floating IC driven dimming ballast

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Periodic switch cut-out

Florescent lamp ballast control for zero -voltage switching oper

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Periodic switch cut-out

Flourescent lamp circuit employing a reset transistor coupled to

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

Fluorescent ballast controller IC

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

Fluorescent ballast with isolated system interface

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

Fluorescent dimming ballast utilizing a resonant sine wave power

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

Fluorescent lamp and power converter