Alarm investigation using rfid
CA 2597286 C · Owner: Sensormatic Electronics Corporation · Inventors: Watkins, Harry; Romer, Kevin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method according to one embodiment may include detecting an activated electronic article surveillance (EAS) tag in an interrogation zone and , reading at least one radio frequency identification (RFID) tag in response to the detecting of the activated EAS tag in the interrogation zone to investigate a cause of the EAS tag in said interrogation zone. A method according to another embodiment may include detecting a condition representative of an activated RFID tag in a controlled area and taking , corrective action to prevent removal of the activated RFID tag from the controlled area.
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 February 9, 2006 and granted December 23, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 9, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.