A temperature control system for reducing flicker in an electrical resistance heater comprising: an electrical resistance heater divided into at least two electrical loads and; a source of electrical power for repetitively supplying electrical power to each of the at least two electrical loads at successive...http://www.google.com/patents/US6849833?utm_source=gb-gplus-sharePatent US6849833 - Logical flicker suppression for a temperature controlled heater load
