Apparatus and method to provide security for a keypad processor of a transaction terminal
CA 2197027 C · Owner: Schlumberger Technologies, Inc. · Inventors: De Jesus, Armando; Schertz, Eric
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus to provide security for a keypad processor of a transaction terminal includes a secured processor coupled to a keypad and processor of the transaction terminal. The apparatus may operate in a secured or an unsecured mode. In a secured mode, the apparatus prevents the fraudulent acquisition of information, such as personal identification numbers (PIN), entered through the keypad. By encrypting data entered through the keypad, the apparatus prevents the fraudulent acquisition of information transmitted to a processor such as a central computer of a bank. The secured processor provides actual and false sampling of the keypad and simulates keypad data entries to prevent an electronic …
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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
- Filed February 7, 1997 and granted October 29, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 7, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 7, 2019.
- 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
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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.