Electronic ballast and power controller

Electronic ballast and power controller

Electronic ballast capable of linear and stepless light regulati

Electronic ballast circuit

Electronic ballast circuit

Electronic ballast circuit for fluorescent lamps

Electronic ballast circuit having voltage reducing transformer

Electronic ballast control circuit

Electronic ballast deriving auxilliary power from lamp output

Electronic ballast drawing sinusoidal line current

Electronic ballast employing a startup transient voltage...

Electronic ballast for a discharge lamp

Electronic ballast for a discharge lamp

Electronic ballast for a fluorescent lamp

Electronic ballast for a gas discharge lamp

Electronic ballast for a gas discharge lamp with controlled...

Electronic ballast for a high intensity discharge lamp

Electronic ballast for a high intensity discharge lamp

Electronic ballast for a high intensity discharge lamp with auto

Electronic ballast for a high-pressure discharge lamp