Active stylus with energy harvesting
First Claim
Patent Images
1. A stylus comprising:
- one or more electrodes and one or more computer-readable non-transitory storage media embodying logic for transmitting signals wirelessly from the stylus to a device through a touch sensor of the device; and
one or more sensors for harvesting kinetic energy of the stylus or from an environment of the stylus, at least one of the sensors comprisinga fluid in a closed volume.
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Abstract
In one embodiment, a stylus includes one or more electrodes and one or more computer-readable non-transitory storage media embodying logic for transmitting signals wirelessly from the stylus to a device through a touch sensor of the device. The stylus has one or more sensors for kinetic, thermal, solar or electric energy harvesting from an environment of the stylus or from the stylus itself.
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Citations
11 Claims
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1. A stylus comprising:
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one or more electrodes and one or more computer-readable non-transitory storage media embodying logic for transmitting signals wirelessly from the stylus to a device through a touch sensor of the device; and one or more sensors for harvesting kinetic energy of the stylus or from an environment of the stylus, at least one of the sensors comprising a fluid in a closed volume. - View Dependent Claims (2, 3, 4, 5)
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6. A method comprising:
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harvesting, by one or more sensors on or in a stylus, kinetic energy of the stylus or from an environment of the stylus, the stylus comprising one or more electrodes and one or more computer-readable non-transitory storage media embodying logic for transmitting signals wirelessly from the stylus to a device through a touch sensor of the device, the sensors comprising a fluid in a closed volume. - View Dependent Claims (7, 8, 9, 10)
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11. A stylus configured to:
receive from an environment of a stylus, by one or more sensors on or in the stylus, thermal energy, at least one of the sensors comprising a pyroelectric sensor for converting thermal energy into electric energy, the stylus comprising one or more electrodes and one or more computer-readable non-transitory storage media embodying logic for transmitting signals wirelessly to the device through a touch sensor of the device.
Specification