Data base for aircraft navigation system
CA 1194999 A · Owner: Global Navigation, Incorporated · Inventors: Chambers, Frederick J.; Elliott, A. Byron
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, To enhance the usefulness of computerized airborne navigation systems, such as VLF/Omega systems a data base using magnetic bubble memories is provided to store data relating to navigation points and aids. Accessibility of the navigation data is improved by storing the records containing data for each navigation point or aid in the alpha-numerical sequence of the navigation point or aid identifier in the magnetic bubble memory. Updating of the data base is facilitated by a removable memory module containing the magnetic bubble memories that is readily removable from an interface unit installed in the aircraft and adapted to be plugged into an update unit located at a central point …
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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 October 8, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 8, 2002.
- 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.