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Title:
A MULTI-BAND RADIO-FREQUENCY (RF) ANTENNA SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/206304
Kind Code:
A1
Abstract:
An apparatus, for example a multi-band radio frequency antenna system, comprising: a primary reflector, for example a parabolic reflector; and a near-field feed arrangement comprising: a multi-band waveguide feed comprising a first waveguide feed for a first frequency band and a second waveguide feed for a second frequency band separate to the first frequency band, wherein the first waveguide feed and the second waveguide feed are co-axial and have, respectively, a first aperture and a second aperture; and a splashplate located within the near-field of the first waveguide feed, located within the near field of the second waveguide feed and configured as a feed for the primary reflector.

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Inventors:
TUAU, Denis (10 Rue Jacques Brel, Trignac, 44570, FR)
LETESTU, Yoann (7 La Pree, Sainte-Anne Sur Brivet, 44160, FR)
Application Number:
CN2019/084676
Publication Date:
October 31, 2019
Filing Date:
April 26, 2019
Export Citation:
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Assignee:
NOKIA SHANGHAI BELL CO., LTD. (388 Ning Qiao Road, China Pilot Free Trade Zone, Shanghai 6, 201206, CN)
International Classes:
H01Q19/19; H01Q5/00; H01Q13/02
Foreign References:
US6831613B12004-12-14
CN102394374A2012-03-28
CN101170220A2008-04-30
US20060082513A12006-04-20
US20050099350A12005-05-12
US6081170A2000-06-27
Attorney, Agent or Firm:
BEIJING QIKUN INTELLECTUAL PROPERTY AGENCY LTD. (Building A-1105, Xing Fu Building No.3 Dong San Huan Bei Road, Chaoyang District, Beijing 7, 100027, CN)
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