A controller that includes a number of switches is associated with a first appliance that has a number of operating states. In at least one of the operating states of the first appliance, the controller responds to certain switch actuations by causing it to perform a task; but when it is in another operating...http://www.google.es/patents/US5268666?utm_source=gb-gplus-sharePatente US5268666 - Appliance control system providing out-of-context usage
Appliance control system providing out-of-context usage
