Block, Inc.
Near field communication device coupling system

Abstract:

A system for communicating data between two contactless contactless devices includes a carrier emitting device having a first antenna configured to transmit a wireless carrier signal. The system also has a first contactless device configured to operate in a first mode or a second mode. In the first mode, the first contactless device functions as an initiator to initiate communication with a second contactless device, using the wireless carrier signal provided by the carrier emitting device. In the second mode, the first contactless device functions as a target device transmitting data in response to a signal from another contactless device. The first contactless device receives a selection of the first mode or the second mode.