Patent ID: 9218517
Filing Date: 2015-12-22
Classification: G06K,H04M

Abstract:
1. A card reader device, comprising: a read head configured to read data stored on a magnetic stripe of a card being swiped, and to produce an analog signal indicative of said data stored on the magnetic stripe; an integrated circuit device configured to receive an input signal based on the analog signal and to produce a second signal indicative of said data stored on the magnetic stripe; and a TRS (tip, ring(s), sleeve) output plug, adapted to be inserted into a standard headset jack associated with a mobile host device, and configured to convey an output signal based on the second signal to the mobile host device via a microphone contact of the TRS (tip, ring(s), sleeve) output plug to a microphone input contact of the standard headset jack to audio input circuitry within the mobile host device.