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System having a port with two operating modes

  • US 6,598,098 B1
  • Filed: 06/15/2000
  • Issued: 07/22/2003
  • Est. Priority Date: 06/17/1999
  • Status: Expired due to Fees
First Claim
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1. A system having data communication capability in at least two operating modes, each of which corresponds to a different data rate, comprising:

  • a) a port in said system, capable of communicating in each of said at least two operating modes;

    b) a control circuitry for controlling said dat communication through said port, the operation of said circuitry being switchable from any operating mode to another operating mode, according to a corresponding predetermined code received via said port;

    c) at least a software operated computing device, linked to said port by a communication channel, for operating the port;

    d) circuitry for storing data received via said port; and

    e) circuitry for setting the control circuitry to normally operate in a predetermined default mode, and for switching said control circuitry from any mode to another mode.

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