Card reader with power efficient architecture that includes a power supply and a wake up circuit
US-9224142-B2 · Dec 29, 2015 · US
US9129166B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9129166-B2 |
| Application number | US-201414166763-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 28, 2014 |
| Priority date | Feb 6, 2013 |
| Publication date | Sep 8, 2015 |
| Grant date | Sep 8, 2015 |
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Official abstract text for this publication.
A magnetic card reader module includes a magnetic sensor and an adjacent groove, a microcontroller and an application. The magnetic sensor is configured to pick-up an analog magnetic signal generated by swiping a magnetic stripe through the groove. The magnetic stripe is attached to a card and comprises tracks with magnetically encoded data. The microcontroller is configured to convert the analog magnetic signal into a digital signal. The application is configured to analyze the digital signal, and to perform soft-decision decode of the digital signal and to generate an output comprising the magnetically encoded data and side information providing card swipe information feedback.
Opening claim text (preview).
What is claimed is: 1. A magnetic card reader module comprising: a magnetic sensor and an adjacent groove, wherein the magnetic sensor is configured to pick-up an analog magnetic signal generated by swiping a magnetic stripe through the groove, and wherein the magnetic stripe is attached to a card and comprises tracks with magnetically encoded data; a microcontroller configured to convert the analog magnetic signal into a digital signal, to determine the magnetic stripe swipe…
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