Portable localizer siting system
CA 2023731 A1 · Owner: Howard, Bruce S. · Inventors: Howard, Bruce S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A portable siting system particularly useful for siting a portable localizer (20) for a collocated approach guidance system for aircraft utilizes a laser range finder (32) in conjunction with a shaft encoder (26) to determine the distance between the localizer (20) and two arbitrary points (54, 58) along a runway center line (62) as well as the azimuth offset between the two points (.THETA.2-.THETA.1). A microprocessor (38) is used to compute the number of degrees (.THETA.6) the antenna (22) of the localizer must be rotated so that its beam intersects the extended runway center line at a predetermined point (18) based on trigonometric computations performed on 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 August 21, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 21, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 21, 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.