Microwave circulator with deformable membrane
CA 2461282 A1 · Owner: Beis, Konstantin · Inventors: Martin, Siegbert; Ebinger, Juergen; Beis, Konstantin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A circulator comprises a housing (10) in two halves (12 11) with a ferrite , (18) and associated magnet (16) in a central portion of a first one of the halves (12), the second housing-half (11) above the ferrite having a membrane (32) which is deformable by operation of an adjusting means (33) upon the membrane, so as to adjust the size of an airgap (26) between the membrane and the ferrite. The membrane is preferably the residual portion of the second housing-half following a milling operation to provide a recess (31 ) the , recess accommodating the adjusting means in the form of e.g. a screw. To , further enhance predictability of the performance characteristics of the circulator, …
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 September 11, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 11, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 11, 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.