Data transfer method with varying packet transmission time interval security protocol
CA 2331612 A1 · Owner: Bugnon, Jacques · Inventors: Malette, Louis; Bugnon, Jacques
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A message to be communicated over an unsecure communications link (16) is fragmented (26) into a plurality of packets (each of perhaps varying length). The packets are then individually transmitted (20) over the unsecure communications link with an introduced varying (perhaps randomly or pseudo-, randomly) selected inter-packet time interval (delay). Received packets are then reassembled (36) to regenerate the original message. To provide enhanced security against eavesdropping, the packets are not only transmitted in a nontimely manner (28) with the inter-packet time delay but are also either , routed (32) over different transmission paths (34) supported by the communications link or …
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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 April 27, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 27, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 27, 2021.
- 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.