Method and apparatus for providing a wireless aircraft interphone system
CA 2479967 A1 · Owner: Vicari, Michael · Inventors: Vicari, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A radio frequency transceiver (10) is used for communications among the crewmembers of an aircraft, either inside or immediately outside. Aside from employing analog and digital circuits, the system utilizes Frequency Hopping Spread Spectrum (FHSS), Digital Spread Spectrum (DSDS) Time Division Duplex , (TDD) or Time Division Multiple Access (TDMA) as to provide reliable and secure communications contact, regardless of adverse weather conditions handling or operating stresses, or other conditions which would otherwise affect transmissions as in prior art devices. The system virtually eliminates interconnect aircraft cable damage; operational delays caused by missing cables, or broken …
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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 July 2, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 2, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 2, 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.