Localizing a remote event timestamp from a network device with an independent clock method and apparatus
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United States of America Patent
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Feb 24, 2009
Grant Date -
Aug 3, 2006
app pub date -
Jan 28, 2005
filing date -
Jan 28, 2005
priority date (Note) -
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Abstract
A timestamp localization method and device includes two processors with independent clocks connected to a communication network. Two messages are exchanged between the processors. First a request message is sent with a transmit timestamp. Second, a reply message is sent back with receive, originate, transmit and remote timestamps. Then the remote timestamp is converted to a local timestamp using an algorithm and the timestamps from the reply message.
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