Intruder/escapee detection system
CA 2408573 C · Owner: Auratek Security, Llc · Inventors: Gagnon, Andre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A detection system for detecting intruders moving in the vicinity of a defined path comprises a distributed antenna for example an open transmission line, extending along the path and an array of discrete antennas extending alongside the distributed antenna and within a predetermined distance therefrom. The discrete antennas and the distributed antenna define a plurality of detection zones. A radio frequency transmitter is connected to each of the discrete antennas and a complementary receiver in a control unit at a remote location is connected to the distributed antenna. The control unit also controls the transmitters and the array of antennas to exchange radio frequency energy between the …
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 17, 2002 and granted December 20, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 17, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 17, 2024.
- 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.