G - Physics – 01 – S
Patent
G - Physics
01
S
G01S 13/08 (2006.01) G01F 23/284 (2006.01) G01S 7/28 (2006.01) H01Q 1/22 (2006.01) H01Q 13/24 (2006.01)
Patent
CA 2266874
This level measuring instrument which operates with microwaves, has a radiation characteristic with a pronounced forward lobe and can be used to transmit and/or receive microwaves with a large frequency bandwidth. A housing section is designed as a waveguide short-circuited at one side and one end by a rear wall, and is virtually completely filled with an insert made of a dielectric. An exciter element, projects into the housing section and is connected to a microwave source. An antenna adjoins the housing section, for transmitting and/or receiving microwaves. A gap is arranged in the insert between the exciter element and the antenna. The gap forms a filter which is essentially non-transparent to higher modes of the waveguide.
Burger Stefan
Hardell Alexander
Oberle Klaus-Peter
Wien Andreas
Endress + Hauser Gmbh + Co.
Smart & Biggar
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