IP Library › Granted Patent US 12,204,978
Granted Patent B2
US 12,204,978 · App. 17/157,829 · Granted Jan 21, 2025

Systems and methods for non-time smearing detection mechanisms for magnetic cards and devices

Inventor: Allen D. Bowers (Aspinwall, PA)
Assignee: Dynamics Inc.
G06K7/082
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Quick Facts
Patent No.
US 12,204,978
App. No.
17/157,829
Granted
Jan 21, 2025
Kind
B2
Abstract

A detection activity of a card may be sensitive to capacitance changes in one or more pads on the card, where a capacitance change detected in a pad during a first time period does not affect a capacitance change detected in the pad during subsequent time period(s). Accordingly, the detection activity may remain sensitive to a faster-moving device with greater accuracy in a determination of position, velocity and/or acceleration of the faster-moving device in relation to the card. A second detection activity may follow a first detection activity, which may increase a probability of a successful communication sequence subsequent to the first detection activity.

Claims (9)

1. A device, comprising:

a plurality of pads; and

a controller operable to receive information associated with relative capacitance magnitude variations of the plurality of pads over time, and process the information using a non-time smearing gain algorithm to determine a position of an external object.

2. A device, comprising:

a plurality of pads; and

a controller operable to receive information associated with relative capacitance magnitude variations of the plurality of pads over time, and process the information according to a non-time smearing gain algorithm to determine a velocity of an external object.

3. A device, comprising:

a plurality of pads; and

a controller operable to receive information associated with relative capacitance magnitude variations of the plurality of pads over time, and process the information according to a non-time smearing gain algorithm to determine an acceleration of an external object.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 25, 2021
From: BOWERS, ALLEN D.
To: DYNAMICS INC.
Reel/Frame 055024/0412 →
Continuity (3)
Continuation 13770745 · Feb 19, 2013
Provisional Application 61740173 · Dec 20, 2012
Related Publication 20210150156A1 · May 20, 2021
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