A remote control system invention converts an infrared ray signal transmitted from an exclusive remote control transmitter of an electronic apparatus into a transmissive data by a signal analyzing/writing device, and writes the transmissive data in a nonvolatile memory, which is subsequently mounted...http://www.google.de/patents/US6602001?utm_source=gb-gplus-sharePatent US6602001 - Remote control system and remote control transmitter for use in the same
