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Time stamp generating system

  • US 7,200,682 B2
  • Filed: 08/20/2002
  • Issued: 04/03/2007
  • Est. Priority Date: 05/08/2002
  • Status: Expired due to Fees
First Claim
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1. A time stamp generating system comprising:

  • a time distribution server; and

    a user PC that holds time certification objective data,wherein said time distribution server repeatedly generates time data corresponding to a time point and independent from the time certification objective data, and repeatedly distributes said time data; and

    said user PC computes time stamp generating data by using said time certification objective data as an input in a predetermined manner, acquires the time data based on an intended time point, distributed from said time distribution server, and generates a time stamp on the basis of said time data and said time stamp generating data computed by using the time certification objective data as an input.

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