Ultrasonic air data system
CA 1093672 A · Owner: Maclennan, P.H. Barry · Inventors: Maclennan, P.H. Barry; Ireland, Graham A.; Werba, William J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
TITLE, AN ULTRASONIC AIR DATA SYSTEM, INVENTORS P.H. Barry MacLennan, Graham A. Ireland William J. Werba, ABSTRACT OF THE DISCLOSURE The ultrasonic air data system determines the relative velocity of an aircraft with respect to the medium in one, two or three directions. In addition it may determine, the speed of sound and the approximate temperature. In the one direction system, a first ultrasonic transducer transmits a pulse to a second transducer where it is detected and reflected back to the first transducer and again reflected to the second transducer. The pulse transit times for each direction are determined, and the relative velocity the speed, of sound and the approximate …
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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 January 13, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 13, 1998.
- 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.