ENGINEERING DISPLACEMENT RESPONSE THROUGH ELECTRODE SHAPE
First Claim
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1. A method comprising:
- obtaining a capacitive function of ground plane displacement and gap distance;
optimizing, using the capacitive function, an optimization function to obtain a plurality of slice lengths, the plurality of slice lengths corresponding to a plurality of gap distances between a first sensor electrode and a second sensor electrode;
defining a sensor electrode shape using the plurality of slice lengths and the plurality of gap distances;
defining a sensor electrode pattern based on the sensor electrode shape; and
storing the sensor electrode pattern.
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Abstract
A method includes obtaining a capacitive function of ground plane displacement and gap distance, and optimizing, using the capacitive function, an optimization function to obtain multiple slice lengths. The slice lengths correspond to multiple gap distances between a first sensor electrode and a second sensor electrode. The method further includes defining a sensor electrode shape using slice lengths and gap distances, defining a sensor electrode pattern based on the sensor electrode shape, and storing the sensor electrode pattern.
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20 Claims
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1. A method comprising:
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obtaining a capacitive function of ground plane displacement and gap distance; optimizing, using the capacitive function, an optimization function to obtain a plurality of slice lengths, the plurality of slice lengths corresponding to a plurality of gap distances between a first sensor electrode and a second sensor electrode; defining a sensor electrode shape using the plurality of slice lengths and the plurality of gap distances; defining a sensor electrode pattern based on the sensor electrode shape; and storing the sensor electrode pattern. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system for engineering displacement response comprising:
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a data repository for storing a capacitive function of ground plane displacement and gap distance; and a computer processor operatively connected to the data repository, the computer processor configured to; obtain a capacitive function of ground plane displacement and gap distance, optimize, using the capacitive function, an optimization function to obtain a plurality of slice lengths, the plurality of slice lengths corresponding to a plurality of gap distances between a first sensor electrode and a second sensor electrode, define a sensor electrode shape using the plurality of slice lengths and the plurality of gap distances, define a sensor electrode pattern based on the sensor electrode shape, and store the sensor electrode pattern. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 19, 20)
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18. A capacitive input device comprising:
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a transmitter sensor electrode; and a receiver sensor electrode, the receiver sensor electrode parallel in a first direction to the transmitter sensor electrode, wherein a gap distance between the transmitter sensor electrode and the receiver sensor electrode is monotonically increases along the first direction of the transmitter sensor electrode and the receiver sensor electrode.
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Specification