Method and device for establishing links in an ad hoc wireless system
CA 2502859 A1 · Owner: Billhartz, Thomas Jay · Inventors: Cain, Joseph Bibb; 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 communication network includes a plurality of mobile nodes each including a transceiver, a phased array antenna connected to the transceiver and a controller connected to the transceiver. The controller schedules time slots for each time frame to establish a communication link with each neighboring mobile node. An initiating mobile node transmits a request for time slots to the receiving mobile node which transmits a reply to the , initiating mobile node. The initiating mobile node transmits a confirmation to the receiving mobile node, and the receiving mobile node transmits the reply again if the confirmation is not received. Alternatively the receiving mobile , node may …
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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 October 1, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 1, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 1, 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.