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Maintaining a global time reference among a group of networked devices

  • US 7,035,246 B2
  • Filed: 03/13/2001
  • Issued: 04/25/2006
  • Est. Priority Date: 03/13/2001
  • Status: Expired due to Term
First Claim
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1. A method of maintaining synchronization among a plurality of network devices having local clocks that participate in a network comprising:

  • broadcasting a first packet from a first network device to other network devices that participate in the network wherein the first packet includes a global time reference derived from the local clock of the first network device; and

    adjusting the clocks of the network devices that receive the first packet to be closer to the local clock of the first network device;

    wherein the global time reference includes a least significant part of the local clock of the first network device and does not include a most significant part of the local clock of the first network device.

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