Data security device for protecting stored data
CA 1265245 C · Owner: Ncr Corporation · Inventors: Goossens, Jan B.; De Bruin, Johannes A.J.; Kleijne, Theodoor A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A security device (10) for protecting sensitive data stored in a resettable memory (110) includes a housing (11) formed of six ceramic plates (P1-P6) each having provided thereon a pair of thin film conductive path segments arranged in a meandering configuration. The thin film conductive path segments are joined together by interconnection devices (30) each including a pair of ceramic studs (e.g. K9 K10), having conductive areas (34, 38) thereon connected by an interconnect block (e.g. N5), thereby forming two complete thin film conductive paths (WMA WMB) which, meander in a closely spaced parallel manner over the, entire inner surface of the housing (11). Interrupting or short circuiting …
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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 January 30, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 30, 2007.
- 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.