Method of operating a lamp with a power controller having...

Method of operating HID sodium lamp to minimize lamp voltage var

Method of regulating lamp current through a fluorescent lamp by

Method of regulating power in a high-intensity-discharge lamp

Method of sampling an electrical lamp parameter for detecting ar

Method of shutting down a high pressure discharge lamp and...

Method of supplying current to a sodium high-pressure discharge

Method of tuning a circuit for energizing a cold cathode...

Methods and apparatus for controlling devices in a networked...

Methods and apparatus for controlling the intensity of a...

Micro-controller-operated high intensity discharge lamp ballast

Microcomputer-controlled light switch

Microcontrolled ballast compatible with different types of...

Microprocessor controlled electronic ballast

Microwave lamp power supply that can withstand failure in...

Mixed mode control for ballast circuit

Modular high power modulator

Modular, configurable dimming ballast for a gas-discharge lamp

Modulated electronic ballast for driving gas discharge lamps

Modulation circuit for a light emitting device