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KVM switch including a terminal emulator

  • US 7,321,943 B2
  • Filed: 09/19/2006
  • Issued: 01/22/2008
  • Est. Priority Date: 08/25/1999
  • Status: Expired due to Term
First Claim
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1. A switch to communicate keyboard and video signals between a first remote target computer and a controlling user interface, comprising:

  • a target controller housing and (1) a plurality of target computer physical interfaces associated with the housing for coupling keyboard and video signals to or from the remote target computer via associated target computer interfaces and (2) a network physical interface associated with the housing for communication with a packet-based network;

    a target controller within the target controller housing to translate keyboard and video signals between at least one of the target computer physical interfaces and the network physical interface; and

    a target controller communication device for communicating the keyboard and video signals using a packet-based communication protocol on the network physical interface wherein the controlling user interface operates to control the first remote target computer via a communication path including, in sequence, the network physical interface utilizing the packet-based communication protocol, the target controller, at least one of the target computer physical interfaces utilizing a computer peripheral protocol understood by the controlling user interface and different from the packet-based communication protocol, and the controlling user interface.

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