Landing assistance system using navigation satellites
CA 1297972 C · Owner: Lmt Radio Professionnelle · Inventors: Joguet, Jean-Claude; Schilliger, Michel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The system according to the invention uses GPS/NAVSTAR navigation satellites. It comprises:, - a fixed station located in the vicinity of the landing zone, containing a receiver for positioning by satellite that gives an estimate of the position of this fixed station and computing means that give correction data representing the deviation between this estimate and a reference position; and a data transmitter transmitting in, particular, these correction data on a radio channel which is conventionally used to transmit data in a microwave landing system called the MLS system;, - an on-board station in each aircraft comprising: an MLS receiver capable of receiving the ancillary data …
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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
- Granted March 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 2009.
- 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.