Acoustic signalling to switch from infrastructure communication mode to ad hoc communication mode

摘要

A system includes a first computerized device configured for communicating in an infrastructure mode and an ad hoc mode and a second computerized device configured for communicating at least in the ad hoc mode. A first computerized device operating in infrastructure mode prompts the user of the first computerized device to switch to ad hoc mode in order to communicate with the second computerized device.