Electro-active cradle circuits for the detection of access or penetration
CA 2067331 A1 · Owner: University Of Technology, Sydney · Inventors: Unsworth, Joseph; Mapson, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electronic circuit or device is protected from tamper and/or theft of data contained therein by encapsulation in a housing (5) and electroactive polymer cradle (4). The cradle (4) comprises a transducer capable of generating a voltage detection means to, detect said voltage and protection means associated therewith to destroy and/or alter said circuit, device and/or information and/or record said voltage, characterized in that said transducer is a polymeric pressure/voltage and/or temperature/voltage transducer associated with said detection means such that on alteration of pressure or temperature applied to said transducer beyond pre-set limits, said voltage is sensed by said …
Read the whole patent
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 October 3, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 3, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 3, 2012.
- 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.