Patent ID: 6956496
Filing Date: 2005-10-18
Classification: G08C,H04N

Abstract:
1. A method of updating data of plurality of signal protocols stored in a memory within a universal remote control adapted to communicate with a video display system and a plurality of other electronic devices, comprising: receiving within the video display system an update to data of a signal protocol for communicating with an electronic device, wherein the data update is encoded in a video blanking interval of a video signal received by the video display system, in response to a request from the remote control, transmitting the received data update from the video display system to the remote control, and determining, within the remote control, whether the received data are for updating data of a signal protocol stored within the remote control memory for one of the plurality of electronic devices, and, if the received data are for updating data of a signal protocol stored within the remote control memory for one of the plurality of electronic devices, updating or replacing the data for the signal protocol of that one of the plurality of electronic devices, but, if the received data are not for updating data of a signal protocol stored within the remote control memory for one of the plurality of electronic devices, sending a desist command to the video display system.