Microwave circulator
CA 1104666 A · Owner: Licentia Patent-Verwaltungs-Gmbh · Inventors: Ehrlinger, Wolfgang; Hauth, Wolfgang
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A microwave circulator comprising a substrate having a resonator affixed to one side thereof and a ferrite element affixed to the other. The side of the substrate to which the ferrite element is secured is covered with metal on the surface surrounding the ferrite element and is electrically and mechanically coupled to a metallized coating on the periphery of the ferrite element. The surface of the ferrite element projecting from the substrate is also metallized.
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 July 7, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 7, 1998.
- 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.