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Resonance circuit, wireless power supply transmitter, switch circuit and full-bridge transmitting circuit

  • US 10,848,004 B2
  • Filed: 10/18/2016
  • Issued: 11/24/2020
  • Est. Priority Date: 06/01/2016
  • Status: Active Grant
First Claim
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1. A complementary wireless power transmitter, comprising:

  • a signal source, comprising N signal output terminals, wherein the signal source generates N signals respectively corresponding to the N signal output terminals, the N signals have a same frequency, a phase difference of the N signals is 360°

    /N, and N is a positive integer greater than or equal to 2 and less than or equal to 360; and

    N resonance transmitters, wherein an input terminal of each of the N resonance transmitters is connected to one of the N signal output terminals of the signal source, each of the N resonance transmitters comprises a resonance circuit, the resonance circuit comprises a resonance transmitting coil, a resonance capacitor, and a switch transistor, and an angle between planes at which the N resonance transmitting coils are located is a preset angle, andwherein one terminal of the resonance transmitting coil is connected to one terminal of the resonance capacitor, another terminal of the resonance transmitting coil is connected to a positive pole of a power source, and another terminal of the resonance capacitor is grounded, a control terminal of the switch transistor is connected to one of the N signal output terminals of the signal source, a first terminal of the switch transistor is connected to the one terminal of the resonance capacitor, and a second terminal of the switch transistor is connected to the other terminal of the resonance capacitor.

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