Electronically scanned radar system
CA 1234903 A · Owner: Com Dev Ltd. · Inventors: Raab, Anthony R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electronically scanned radar system has a serpentine antenna r preferably with two ports. The antenna is physically rotated. Each port has a mixer transmitter and local oscillator feeding signals to it, the signals of the transmitter and oscillator being synchronized with one another to take advantage of the physical rotation of the antenna. The radar system can be operated in various ways to produce one or more beams in a surveillance mode or tracking mode at each port. Further, with the use of coupling means, the system can be operated to produce four . independent beams at two different frequencies simultaneously. The system can also be operated to produce one or more beams in a …
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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 April 5, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 5, 2005.
- 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.