Ballast with starting circuit for high-intensity discharge lamps

Ballasts for operating light emitting diodes in AC circuits

Ballasts with tapped inductor arrangements for igniting and...

Bi-direction constant current device

Bi-directional current sensing by monitoring VS voltage in a...

Bi-directional light emitting diode drive circuit in pulsed...

Bi-directional light emitting diode drive circuit in pulsed...

Bi-directional light emitting diode drive circuit in...

Bi-directional light emitting diode drive circuit in...

Bi-level output electronic high intensity discharge (HID)...

Bilevel current limiter

Bipolar (dis)charging LED drive method and circuit thereof

Boost regulator circuit with stoarge capacitor for reduced power

Bowling center lighting system

Brightness adjusting device and brightness adjusting method

Brightness compensation for LED lighting based on ambient...

Brightness control apparatus of light bulb module

Brightness control circuit and backlight control module

Brightness control circuit for a vacuum fluorescent display

Brightness control device for light emitting display of electron