WIRELESS POWER TRANSMISSION APPARATUS USING ULTRASOUND
First Claim
1. A wireless power transmission apparatus comprising:
- an ultrasound transmitter generating an ultrasound signal in response to an external source voltage and transmitting the generated ultrasound signal to a medium layer; and
an ultrasound receiver receiving the ultrasound signal through the medium layer and converting the received ultrasound signal into a driving voltage,wherein the ultrasound transmitter and receiver are manufactured to control impedance values thereof to be matched with each other and a distance between the ultrasound transmitter and receiver is controlled according to predetermined distance conditions.
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Accused Products
Abstract
Provided is a wireless power transmission apparatus. The apparatus includes an ultrasound transmitter generating an ultrasound signal in response to an external source voltage and transmitting the generated ultrasound signal to a medium layer and an ultrasound receiver receiving the ultrasound signal through the medium layer and converting the received ultrasound signal into a driving voltage. The ultrasound transmitter and receiver are manufactured to control impedance values thereof to be matched with each other and a distance between the ultrasound transmitter and receiver is controlled according to predetermined distance conditions.
249 Citations
15 Claims
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1. A wireless power transmission apparatus comprising:
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an ultrasound transmitter generating an ultrasound signal in response to an external source voltage and transmitting the generated ultrasound signal to a medium layer; and an ultrasound receiver receiving the ultrasound signal through the medium layer and converting the received ultrasound signal into a driving voltage, wherein the ultrasound transmitter and receiver are manufactured to control impedance values thereof to be matched with each other and a distance between the ultrasound transmitter and receiver is controlled according to predetermined distance conditions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A wireless power transmission apparatus comprising:
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an ultrasound transmitter generating an ultrasound signal in response to an external source voltage and transmitting the generated ultrasound signal to a medium layer; and an ultrasound receiver receiving the ultrasound signal through the medium layer and converting the received ultrasound signal into a driving voltage, wherein a distance between the ultrasound transmitter and receiver is determined according to predetermined distance conditions, and wherein the ultrasound receiver comprises a light emitter for alignment, the light emitter generating an optical signal, and the ultrasound transmitter comprises a camera module taking images for an alignment with the ultrasound receiver according to the optical signal. - View Dependent Claims (12, 13, 14, 15)
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Specification