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Keyboard video mouse switch for multiple chaining and the method thereof

  • US 7,415,552 B2
  • Filed: 04/15/2004
  • Issued: 08/19/2008
  • Est. Priority Date: 04/15/2004
  • Status: Active Grant
First Claim
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1. A keyboard video mouse (KVM) switch for a plurality of local and remote computers to share a plurality of local manipulating devices, the KVM switch comprising:

  • a plurality of first interfaces adapted for connecting to the local manipulating devices to receive a plurality of local electrical signals, wherein local electrical signals from different first interfaces are for manipulating different local or remote computers;

    a plurality of second interfaces adapted for connecting to the local computers;

    a packet encoding device, which generates at least one network packet having a plurality of data sections, at least some data sections of a same network packet corresponding to the local electrical signals received by different ones of the first interfaces destined for different remote computers;

    a network device adapted for communicating with a network device of another KVM switch using a network protocol in order to transmit the network packet and to receive a network packet transmitted from said another KVM switch;

    a packet decoding device adapted for obtaining at least one remote electrical signal from the network packet of said another KVM switch; and

    a switch device adapted for transmitting the local and remote electrical signals to the second interfaces and the packet encoding device according to a path selection setting.

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