US Patent 7769370 Method and system for pairing electronic devices

A method and system for facilitating communication, generally called pairing, between a wireless handheld device and a electronic communication device is disclosed. The method includes transmitting a line-of-sight signal from the wireless handheld device to a electronic communication device. The line-of-sight signal serves to identify the wireless handheld device. This transmission results in a received line-of-sight signal at the electronic communication device. The method also includes enabling a non-line-of-sight communication between the wireless handheld device and the electronic communication device. The non-line-of-sight communication is enabled on the basis of the received line-of-sight signal.