Phased array transmitter
CA 1265865 C · Owner: Bradley, Caleb R. · Inventors: Bradley, Caleb R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Phased Array Transmitter In a phased array antenna the phase of the signal applied to each antenna element is controlled by a phase lock loop which is locked to the frequency of a reference oscillator but whose phase is offset from it alternatively by introducing a DC offset to an integrator within the phase lock loop or by presenting a digital code to a counter circuit.
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 February 13, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 13, 2007.
- 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.