The invention may be broadly conceptualized as an approach in which a microwave oven (120) receives a plurality of program recipes from a network that are executed by scanning with a scanner (1326) a symbol and associating the scanned symbol with one of the plurality of program recipes while keeping...http://www.google.de/patents/US7069091?utm_source=gb-gplus-sharePatent US7069091 - Intelligent microwave oven appliance