| 摘要 |
A read head is provided that is configured to be coupled to a mobile device. The read head has a slot for swiping a magnetic stripe of a financial transaction card. The slot is utilized for a financial transaction between a buyer and seller and reads data on the magnetic stripe. A signal is produced indicative of data stored on the magnetic stripe, An output jack of the read head is adapted to be inserted at least one of the audio input port or microphone input port of the mobile device. The output jack delivers the signal to the mobile device. A sampling rate of the signal at the audio input port or a line input port of the mobile device is at least 15 kHZ. |
