Antenna exciter for at least two different frequency bands
CA 1284838 C · Owner: Kabelmetal Electro Gmbh · Inventors: Nagel, Reimer; Mohring, Gunter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An antenna exciter for two different frequency bands which consists of two polarization switches (3 4) arranged, axially one behind the other and of a feed horn (5). The polarization switches (3, 4) are circular tubes of different inside diameters, the diameters being the same over the entire length. To each polarization switch (3 4) there can, be connected, spaced axially from each other two wave guides, (6, 7, 8, 9) 90° apart from each other. Opposite the wave guide (9) adjacent the feed horn (5) a stop closed by a short-circuit plate (12) is arranged in the corresponding polarization switch (4). Between the feed horn (5) and the adjacent wave guide (9) and between the points of …
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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 June 11, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 11, 2008.
- 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.