Title:
HORN ANTENNA AND RADAR LEVEL METER
Document Type and Number:
WIPO Patent Application WO/2020/103416
Kind Code:
A1
Abstract:
Disclosed is a horn antenna, with a guided wave channel being formed inside the horn antenna, the horn antenna comprising a first portion located in a lower portion and a second portion located above the first portion, wherein the first portion and the second portion are hollow inside, and the cross-sectional area, which is enclosed by an outer side wall surface, of the first portion is larger than the cross sectional area, which is enclosed by an outer side wall surface, of the second portion. A radar level meter is further disclosed, comprising the horn antenna and a lens. The lens is fixed to the first portion of the horn antenna.
Inventors:
ZHOU LEI (CN)
Application Number:
PCT/CN2019/088586
Publication Date:
May 28, 2020
Filing Date:
May 27, 2019
Export Citation:
Assignee:
BEIJING GODA INSTR CO LTD (CN)
ZHOU LEI (CN)
ZHOU LEI (CN)
International Classes:
H01Q13/02; G01F23/284
Foreign References:
| CN109713452A | 2019-05-03 | |||
| CN106415923A | 2017-02-15 | |||
| CN106415923A | 2017-02-15 | |||
| CN102142618A | 2011-08-03 | |||
| US20030179148A1 | 2003-09-25 | |||
| CN104617372A | 2015-05-13 | |||
| CN207937034U | 2018-10-02 | |||
| CN101313200A | 2008-11-26 | |||
| CN106972274A | 2017-07-21 | |||
| DE102007061571A1 | 2009-07-16 | |||
| EP2161552A1 | 2010-03-10 | |||
| US20150241261A1 | 2015-08-27 |
Attorney, Agent or Firm:
AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE (CN)
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