Protective and measure device for multiple cold cathode...

Regulated CRT power supply

Regulated electroluminescent panel power supply

Regulated light dimmer control

Regulation of electrical current through a resistive load

Remote control and adjustable device for halogen lamp

Restart circuit for multiple lamp electronic ballast

Robust driver for high intensity discharge lamp

Safety control circuit for detecting the removal of lamps from a

Scheme for sampling lamp conditions during ignition and...

SCR lamp supply

Selective illumination

Self-ballasted fluorescent lamp and lighting apparatus

Self-heating type cold-cathode discharge tube control apparatus

Self-regulating, no load protected electronic ballast system

Sensing voltage for fluorescent lamp protection

Sequential burst mode activation circuit

Sequential burst mode activation circuit

Sequential burst mode activation circuit

Sequential feedback control system for an electronic ballast