Guidance equipment for microwave landing system
CA 1293314 C · Owner: Nec Corporation · Inventors: Kuwahara, Yoshihiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Guidance equipment for a microwave landing system has among various ground equipment, an azimuth guide device and an elevation guide device for providing angle information which are constructed into a single assembly. The selective formation of an azimuth scanning beam and an elevation scanning beam and the transmission of preamble signals are implemented by single circuitry.
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
- Granted December 17, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 17, 2008.
- 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.