Eugene Huang, Peter Daley: Extended functionally remote control system and method therefore. Navispace, Greenberg Traurig, August 20, 2002: US06437836 (347 worldwide citation)

An extended functionality remote control (EFRC) provides a hardware/software implementation of an integrated interface for remote control emulation. A PDA or other portable computing device is used as a platform for the EFRC application software and peripheral hardware. The EFRC also merges informat ...