Title:
LIFE BUOY
Document Type and Number:
WIPO Patent Application WO/2022/116780
Kind Code:
A1
Abstract:
A life buoy, comprising a life buoy body (11). A plurality of radar reflectors are provided in the life buoy body (11); the plurality of radar reflectors are distributed in an annular array by using the center of the life buoy body as a center; each radar reflector comprises a Luneburg lens (12) and a reflecting piece (13); the Luneburg lens (12) is made of a foaming dielectric material; a reflecting surface is formed on the reflecting piece (13); and the reflecting surface of the reflecting piece of each radar reflector is attached to the surface of the Luneburg lens (12). The life buoy is simple in structure, convenient to use, and good in safety, and further can display a large image on a radar screen, thereby avoiding search and rescue omission.
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Inventors:
ZHENG HONGZHEN (CN)
LU YONGCHAO (CN)
SUN YAOZHI (CN)
LU YONGCHAO (CN)
SUN YAOZHI (CN)
Application Number:
PCT/CN2021/129458
Publication Date:
June 09, 2022
Filing Date:
November 09, 2021
Export Citation:
Assignee:
GUANGDONG FUSHUN TIANJI COMMUNICATION CO LTD (CN)
International Classes:
B63C9/13; B63C9/20
Foreign References:
| CN112407196A | 2021-02-26 | |||
| EP1294052A1 | 2003-03-19 | |||
| CN2671958Y | 2005-01-19 | |||
| CN2671957Y | 2005-01-19 | |||
| CN110615909A | 2019-12-27 | |||
| CN1696010A | 2005-11-16 | |||
| CN2642670Y | 2004-09-22 | |||
| JP2002240776A | 2002-08-28 | |||
| CN201721367005U | 2017-10-23 | |||
| CN201910867980A | 2019-09-18 |
Other References:
YU WANG: "Development of Dielectric Lens Reflector", RADIO ENGINEERING - WUXIANDIAN-GONGCHENG, ZHONGGUO DIANZI XUEHUI, CN, no. 1, 2 March 1982 (1982-03-02), CN , pages 1 - 16, XP055937095, ISSN: 1003-3106
See also references of EP 4257475A4
See also references of EP 4257475A4
Attorney, Agent or Firm:
FOSHAN QIPENG PATENT AGENCY (GENERAL PARTNERSHIP) (CN)
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