Backlight driving system for a liquid crystal display device
Ballast and igniter for a lamp having larger storage...
Ballast and igniter for a lamp having larger storage...
Ballast and method for operating a lamp
Ballast and projector
Ballast apparatus and ballasting method of high intensity...
Ballast circuit
Ballast circuit arrangement for a high pressure sodium lamp
Ballast circuit for gas discharge lamp
Ballast circuit for gas discharge lamps
Ballast circuit for reducing striations in a discharge lamp
Ballast circuit utilizing a boost to heat lamp filaments and to
Ballast circuit with independent lamp control
Ballast circuit with independent lamp control
Ballast circuits for discharge lamp
Ballast containing circuit for measuring increase in DC voltage
Ballast for a discharge lamp
Ballast for high intensity discharge lamps
Ballast for high pressure discharge lamp
Ballast for instant-start parallel-connected lamps