The present invention provides a universal remote control. For each channel supported, a mode is initially established as rolling mode. For a fixed code appliance, a fixed code is received and stored, and the mode changed to fixed mode. When an activation request is received, the mode associated with...http://www.google.ca/patents/US20050024229?utm_source=gb-gplus-sharePatent US20050024229 - Programmable appliance remote control
