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 – Silicon controlled rectifier ignition

Electronic ballast circuit for discharge lamp

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

Electronic ballast circuit for fluorescent lamps

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

Electronic ballast circuit for fluorescent lamps

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

Electronic ballast circuit for igniting, supplying and dimming a

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

Electronic ballast circuit for operating a high intensity...

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

Electronic ballast circuit with lamp dimming control

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

Electronic ballast for a discharge lamp

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

Electronic ballast for a discharge lamp

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

Electronic ballast for a discharge lamp with current sensing

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

Electronic ballast for a high-pressure discharge lamp having...

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

Electronic ballast for a lamp

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

Electronic ballast for a lamp

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

Electronic ballast for a lamp to be operated using iterative...

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

Electronic ballast for at least one low-pressure discharge lamp

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

Electronic ballast for discharge lamp comprising...

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

Electronic ballast for fluorescent lights

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

Electronic ballast for fluoroscent lamps

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Plural periodic switches or multiple contact periodic switch

Electronic ballast for gas discharge lamps

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

Electronic ballast for gaseous discharge lamp operation