| 摘要 |
In some embodiments, a system includes a mobile communication device and a secure element physically coupled to the mobile communication device. The mobile communication device includes a first wireless transceiver, first processor, first memory, first speaker, first microphone, and first Audio To Digital conversion (ADC). The secure element includes a second wireless transceiver, second processor, second memory, second speaker, second microphone, a second Audio To Digital converter (ADC), and a second Digital to Audio converter (DAC). The mobile communication device is configured to transmit data via the first speaker to the secure element microphone using inaudible sound waves. The secure element is configured to transmit data wirelessly via the second speaker to the mobile communication device using inaudible sound waves. |
| 主权项 |
1. A system, comprising a secure element physically coupled to a watch:
a secure element wireless transceiver that transmits data to a point of sale terminal using inaudible sound waves, the secure element including a processor, memory, microphone, speaker, and an audio to digital converter and further wherein the secure element wireless transceiver receives t data from the point of sale terminal. |
