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NEARFIELD INDUCTIVE COUPLING IN A CONTACT HEARING SYSTEM
NEARFIELD INDUCTIVE COUPLING IN A CONTACT HEARING SYSTEM
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机译:接触听力系统附近的菲尔德电感耦合
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摘要
In one embodiment, the present invention is directed to a contact hearing system comprising: an ear tip including a transmit coil, wherein the transmit coil is connected to an audio processor, including an H Bridge circuit; a first input to the H Bridge circuit comprising an AND circuit wherein a first input to the AND circuit comprises a carrier signal and a second input to the AND circuit comprises an output of a delta sigma modulation circuit, wherein the delta sigma modulation circuit is a component of the audio processor; and a second input to the H Bridge circuit comprising an NAND circuit wherein a first input to the NAND circuit comprises a carrier signal and a second input to the NAND circuit comprises an output of the delta sigma modulation circuit.
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