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Wireless earphone

Discussion in 'Electronic Design' started by arri, Jun 22, 2004.

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  1. arri

    arri Guest


    Has anybody got schematics, information or URLs about wireless
    earphones? I refer to the ones used with inductor coils. These kind
    of earphones are sold for more than 700 USD, and I wish to prepare one
    for myself.

    Power transmission is not a problem because the distance is no more
    than 1 feet length.

    Thanks a lot.
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