Process for the visual display of the attitude of an aircraft for aiding piloting in space
CA 2029778 A1 · Owner: Ferro, Vincent Daniel · Inventors: Ferro, Vincent Daniel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a process for the visual display of the attitude of an aircraft to assist piloting or flying in space. On the base of the values of cardan or gimbal angles (?,.THETA.?) of the aircraft marked in a reference mark linked with the celestial cavity or firmament and on the basis of a calculation of quaternions, the process consists of displaying on a screen (1) on board the aircraft, in particular the following informations: a cruciform reticule (7,8,9), a piloting or flying circle B, the value of the roll angle (?) in a scale (10) a net formed by portions of meridians (M) and parallels (P) of the celestial cavity, a symbol (V1) representing the direction pointed by the …
Read the whole patent
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 November 13, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 13, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 13, 2012.
- 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.