Internal card reader skimmer disrupter
AssigneeNCR Atleos Corporation
InventorKevan Douglas Johnston
Life of this patent
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Abstract
A dual antiphase read-head arranged card reader is provided. The card reader includes a first read-head arrangement and a second read-head arrangement. Electromagnetic noise is applied to both the first and second arrangements. Waves associated with the electromagnetic noise on the second arrangement is transformed and applied to the first arrangement canceling the noise on a first read head of the first arrangement. The first read head reads magnetically encoded information on a magnetic strip of a card inserted into a card slot of the card reader free of noise. However, the noise remains present such that any skimmer read head of a skimmer inserted into the card slot is unable to read the magnetically encoded information off the magnetic strip of the card.
Claims21
(canceled)
A method, comprising:
- applying electromagnetic noise to a first read head and a second read head of a card reader;
- canceling the electromagnetic noise on the first read head by applying transformed electromagnetic waves from the second read head to the first read head;
- and
- reading magnetic encoded information from a magnetic strip of a card using the first read head while the electromagnetic noise remains present on the second read head.
A method, comprising:
- providing a card reader having a first read-head arrangement and a second read-head arrangement connected in antiphase to the first read-head arrangement;
- applying an electromagnetic noise signal to both the first read-head arrangement and the second read-head arrangement;
- and canceling the electromagnetic noise signal on a read head of the first read-head arrangement through an antiphase connection while the electromagnetic noise signal remains present outside the first read-head arrangement.
A card reader, comprising:
- a first read-head arrangement comprising a first read head;
- a second read-head arrangement comprising a second read head;
- and
- connections between the first read-head arrangement and the second read-head arrangement configured to cancel electromagnetic noise on the first read head while the electromagnetic noise remains present on the second read head.
Dependencies are inferred from the claim text.