Method and apparatus for verifying a value for a batch of items
CA 1323933 C · Owner: Pitney Bowes Inc. · Inventors: Pastor, Jose
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A method and apparatus for verifying a total value for a batch of items, and particularly a total postage value for a batch of mail pieces. A batch of mail is prepared in a conventional manner in accordance with information generated by a data processing system. The information is also provided to a secure manifest system which generates an output to be marked on each item. The manifest system determines a particular value for each item and generates a message identifying the entire batch. The message is encrypted and expressed as k ordered numbers. The ordered numbers are taken as parameters of a function f(x) = ao+alX+... ak-1 xk-1 mod p. A unique arbitrary …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted November 2, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 2, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.