Charge level communications for wireless power transfer
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United States of America Patent
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Mar 27, 2018
Issued Date -
N/A
app pub date -
Apr 7, 2015
filing date -
May 27, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A signal generator generates an electrical signal that is sent to an amplifier, which increases the power of the signal using power from a power source. The amplified signal is fed to a sender transducer to generate ultrasonic waves that can be focused and sent to a receiver. The receiver transducer converts the ultrasonic waves back into electrical energy and stores it in an energy storage device, such as a battery, or uses the electrical energy to power a device. In this way, a device can be remotely charged or powered without having to be tethered to an electrical outlet.
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International Classification(s)
- H02J:CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR D....
- G10K:SOUND-PRODUCING DEVICES
- H04R:LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR ....
- H04B:TRANSMISSION
- H03C:MODULATION
- H01F:MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF M....
- B60L:ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-P....
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