Read head device with narrow card reading slot

摘要

A read head is positioned in a housing and 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 to complete a financial transaction between a buyer and seller. The read head reads data on the magnetic stripe and produces a signal indicative of data stored on the magnetic stripe. The read head device includes an output jack adapted to be inserted at least one of the audio jack or microphone input port of a mobile appliance for providing a signal indicative of data stored on the magnetic stripe to the mobile device. The slot is configured to maintain contact between the read head and the magnetic stripe of the financial transaction card during a swipe and decoding of the signal is performed in the mobile device. The decoding includes determining pulses in the signal and converting at least some of the pulses to characters.