Wireless local or metropolitan area network with intrusion detection features and related methods
CA 2495091 A1 · Owner: Billhartz, Thomas Jay · Inventors: Billhartz, Thomas Jay
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wireless local or metropolitan area network (10) may include a plurality of stations (11, 12) for transmitting data therebetween using a media access layer (MAC), where each of the stations has a respective MAC address associated therewith. The wireless network (10) may also include a policing station (13) for detecting intrusions into the wireless network by monitoring transmissions among the plurality of stations to detect frame check sequence (FCS) errors from a MAC address, and generating an intrusion alert based upon detecting a number of FCS errors for the MAC address exceeding a threshold. The policing station (13) may also detect intrusions based upon one or more of …
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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 August 11, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 11, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 11, 2025.
- 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.