Systems and methods for sensor mechanisms for magnetic cards and devices
First Claim
Patent Images
1. A card, comprising:
- a processor having a port to detect movement of an object relative to said card based on signals detected at said port;
a first array of sensors arranged along a first length of said card; and
a second array of sensors arranged along a second length of said card,wherein sensors of said first array are cross-coupled to sensors of said second array at common pins of said port to produce a first sequence of said signals based on a first direction of said movement and to produce a second sequence of said signals based on a second direction of said movement.
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Abstract
A card exhibiting multiple linear arrays of sensors are provided to detect a presence and movement of an external object (e.g., a read-head of a magnetic stripe reader). Each sensor of each array of sensors may be independently connected to a dual port of a processor so that the processor may determine a direction in which the card is swiped through a magnetic stripe reader. A portion of sensors of each array of sensors may be shared by a portion of inputs and/or outputs of a single port of a processor. Sensors may be cross-coupled to a single processor port so that forward and reverse directions of a card swipe may nevertheless be detected by a single-port processor of a card.
294 Citations
18 Claims
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1. A card, comprising:
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a processor having a port to detect movement of an object relative to said card based on signals detected at said port; a first array of sensors arranged along a first length of said card; and a second array of sensors arranged along a second length of said card, wherein sensors of said first array are cross-coupled to sensors of said second array at common pins of said port to produce a first sequence of said signals based on a first direction of said movement and to produce a second sequence of said signals based on a second direction of said movement. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A card, comprising:
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a processor having a plurality of ports to detect movement of an object relative to said card based on signals detected at said plurality of ports; a first array of sensors arranged along a first length of said card; and a second array of sensors arranged along a second length of said card, wherein a first portion of sensors of said first array are coupled to a first port of said plurality of ports and a first portion of sensors of said second array are coupled to a second port of said plurality of ports to produce a first sequence of said signals based on a first direction of said movement and to produce a second sequence of said signals based on a second direction of said movement, and wherein a second portion of sensors of said first array is coupled to other circuitry and said first port. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A card, comprising:
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a processor having a plurality of ports to detect movement of an object relative to said card based on signals detected at said plurality of ports; a first array of sensors arranged along a first length of said card; and a second array of sensors arranged along a second length of said card, wherein a first portion of sensors of said first array are coupled to a first port of said plurality of ports and a first portion of sensors of said second array are coupled to a second port of said plurality of ports to produce a first sequence of said signals based on a first direction of said movement and to produce a second sequence of said signals based on a second direction of said movement, wherein a second portion of sensors of said first array is coupled to other circuitry and said first port, and wherein said other circuitry is an IR transceiver. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification