Title:
CIRCULARLY POLARIZED DUAL-FREQUENCY ANTENNA
Document Type and Number:
WIPO Patent Application WO/2019/047179
Kind Code:
A1
Abstract:
The embodiments of the present invention disclose a circularly polarized dual-frequency antenna, comprising a plurality of dipoles and a feed network; the dipoles are provided on a cylinder surface, and each dipole comprises a first vibrator unit and a second vibrator unit; the first vibrator unit and the second vibrator unit include a first vibrator and a second vibrator; and the first vibrator is provided spirally on the cylinder surface. The feed network is connected to the first vibrator unit and the second vibrator unit. By providing a plurality of dipoles on the cylinder surface, the omnidirectional dual-frequency antenna provided in the embodiments of the present invention has a better omnidirectionality. In addition, the omnidirectional dual-frequency antenna uses the design of each dipole comprising two vibrator units, such that said antenna has the ability to operate at two frequencies.
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Inventors:
TANG YIJUN (CN)
LV CHAO (CN)
LV CHAO (CN)
Application Number:
PCT/CN2017/101115
Publication Date:
March 14, 2019
Filing Date:
September 08, 2017
Export Citation:
Assignee:
SZ DJI TECHNOLOGY CO LTD (CN)
International Classes:
H01Q5/48
Foreign References:
| TW200637074A | 2006-10-16 | |||
| CN201438502U | 2010-04-14 | |||
| CN106025555A | 2016-10-12 | |||
| CN106129630A | 2016-11-16 | |||
| US20100045562A1 | 2010-02-25 |
Attorney, Agent or Firm:
BEIJING INTELLEGAL INTELLECTUAL PROPERTY AGENT LTD. (CN)
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