Electrical load controller for heater of electric blanket has heater which operates in accordance with pulse control signals from microprocessor

摘要

The controller has a keypad (2), power supply (3) and a microprocessor (1) supplying pulse control signal to a driver unit (4) to operate the heating operation of heater (5) in relation to the control signal. Pulse phase angles are switched by 0 or 180 degrees.