Rf switch
CA 2385350 A1 · Owner: Baek, Rack June · Inventors: Baek, Rack June
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An RF switch having a redundancy port and a control circuit for switching a port, related with an abnormal signal path to the redundancy port while preventing another, ports from being connected to the redundancy port when an additional abnormality, breaks out in another signal path to minimize the negative effect on the system. The RF, switch includes first series ports (A1 - An); second series ports (B1 - Bn) each being, connected to respective one of said first series ports to form a signal path; a redundancy, port (C) for replacing a port when an abnormality breaks out in one of the n signal paths;, a plurality of switching units for selectively connecting one of said first …
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 March 27, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 27, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 27, 2024.
- 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.