A system which can be configured to communicate command codes to one or more home appliances which includes a keypad and a relay unit. At least one key on the keypad is associated with at least one command code from a plurality of command codes stored in a memory. The system determines if the at least...http://www.google.es/patents/US20040246165?utm_source=gb-gplus-sharePatente US20040246165 - System and method for controlling home appliances
Número de solicitud: 10/827,137 Número de publicación: US 2004/0246165 A1 Fecha de presentación: 19 Abr 2004 Patente emitida: US6980150 ( Fecha de emisión 27 Dic 2005)
