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Hybrid electrical-optical data communications cable with wireline capacitance compensation

  • US 9,397,750 B2
  • Filed: 07/02/2014
  • Issued: 07/19/2016
  • Est. Priority Date: 07/03/2013
  • Status: Active Grant
First Claim
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1. A communications cable, comprising:

  • an input connector configured to;

    connect to a data source;

    receive a first set of electrical multimedia data signals from the data source;

    receive a second set of electrical control data signals from the data source; and

    provide a third set of electrical control data signals from a data sink to the data source;

    an output connector configured to;

    connect to the data sink;

    provide the first set of electrical multimedia data signals to the data sink;

    provide the second set of electrical control data signals to the data sink; and

    receive the third set of electrical control data signals from the data sink;

    a plurality of optical fibers each including opposite ends coupled to the input and output connectors, respectively;

    a plurality of electrical wires each including opposite ends coupled to the input and output connectors, respectively;

    a first circuit configured to convert the first set of electrical multimedia data signals into optical signals for transmission to the output connector by way of the optical fibers, respectively, wherein the first circuit resides in the input connector;

    a second circuit configured to convert the optical signals received by way of the optical fibers back to the first set of electrical multimedia data signals, respectively, wherein the second circuit resides in the output connector;

    a third circuit configured to apply a first signal conditioning on the second set of electrical control data signals received by way of the wires, respectively, wherein the third circuit resides in the output connector; and

    a fourth circuit configured to apply a second signal conditioning on the third set of electrical control data signals received by way of the wires, respectively, wherein the fourth circuit resides in the input connector;

    wherein the input connector comprises;

    a connector interface for connection to the data source; and

    a first arbiter configured to arbitrate between the use of the connector interface for transmission of at least a portion of the second set of electrical control data signals from the data source to the input connector and the use of the connector interface for transmission of at least a portion of the third set of electrical control signals from the input connector to the data source.

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