An induction heating apparatus and related temperature control circuitry and method of controlled heating of a workpiece at two temperature levels. The apparatus and method utilizes a temperature sensing device, adjustable reference temperature circuitry utilizing a voltage dividing circuit triggered...http://www.google.fr/patents/US4032740?utm_source=gb-gplus-shareBrevet US4032740 - Two-level temperature control for induction heating
Two-level temperature control for induction heating
