CONTROLLING A WIRELESS POWER TRANSMITTER BASED ON HUMAN PRESENCE
First Claim
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1. An apparatus for proximity sensing in a wireless power transmitter, comprising:
- a transmitter coil configured to generate a magnetic field; and
a controller configured to reduce a strength of the magnetic field based on a proximity detection of an object.
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Abstract
Techniques for proximity sensing in a wireless power transmitter in a system, method, and apparatus are described herein. For example, an apparatus may include a transmitter coil configured to generate a magnetic field. The apparatus may also include a controller configured to reduce a strength of the magnetic field based on a proximity detection of an object.
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Citations
25 Claims
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1. An apparatus for proximity sensing in a wireless power transmitter, comprising:
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a transmitter coil configured to generate a magnetic field; and a controller configured to reduce a strength of the magnetic field based on a proximity detection of an object. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for proximity sensing in a wireless power transmitter, comprising:
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generating a magnetic field at a transmitter coil; and reducing a strength of the magnetic field based on a proximity detection of an object near the transmitter coil. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A system for proximity sensing in a wireless power transmitter, comprising:
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a transmitter coil configured to generate a magnetic field; a proximity sensor configured to detect a change in capacitance associated with an object near the transmitter coil; and a controller configured to reduce a strength of the magnetic field based on the detected capacitance change. - View Dependent Claims (22, 23, 24, 25)
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Specification