Title:
METHOD FOR LOCATING ANTI-LOST DEVICE TERMINAL, SERVER, AND ANTI-LOST CONTROL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2020/135222
Kind Code:
A1
Abstract:
A method for locating an anti-lost device terminal, a server (800), and an anti-lost control system. The method comprises: in response to a first anti-lost device terminal locating request sent by a first anti-lost device control end (C1), sending, to second anti-lost device control ends (C2, C3, C4), a distance measuring instruction for measuring a distance between the second anti-lost device control ends (C2, C3, C4) and a first anti-lost device terminal (S110); on the basis of second distance data, which is returned by the second anti-lost device control ends (C2, C3, C4), between the second anti-lost device control ends (C2, C3, C4) and the first anti-lost device terminal and second position information of the second anti-lost device control ends (C2, C3, C4), determining the position of the first anti-lost device terminal (S120). The beneficial effects: greatly expanding an operating range of the anti-lost device control ends (C1, C2, C3, C 4) and a locatable range of the anti-loss device terminal, so as to achieve the navigation and tracking of the anti-loss device terminal.
Inventors:
TAO ZHEN (CN)
Application Number:
PCT/CN2019/126623
Publication Date:
July 02, 2020
Filing Date:
December 19, 2019
Export Citation:
Assignee:
ALIBABA GROUP HOLDING LTD (CN)
International Classes:
G08B21/24
Foreign References:
| CN209514850U | 2019-10-18 | |||
| CN106453458A | 2017-02-22 | |||
| CN104796855A | 2015-07-22 | |||
| CN105392111A | 2016-03-09 | |||
| CN105578411A | 2016-05-11 | |||
| US9547973B1 | 2017-01-17 |
Attorney, Agent or Firm:
BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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