ELECTRONIC PRICE TAG COMMUNICATIONS SYSTEM, METHOD AND APPARATUS

Title:

ELECTRONIC PRICE TAG COMMUNICATIONS SYSTEM, METHOD AND APPARATUS

Document Type and Number:

WIPO Patent Application WO/2021/026671

Kind Code:

A1

Abstract:

Provided in the present invention are an electronic price tag communications system, a method and an apparatus, the system comprising a processor, used to: send update data to a wireless access point corresponding to an electronic price tag group of a price tag requiring a data update; a wireless access point, used to: send a group wake message to electronic price tags which require a data update; after the electronic price tag requiring a data update wakes according to a countdown length of each received item of update data, simultaneously send to electronic price tags requiring a data update in the same electronic price tag set an update data packet which has not been sent before corresponding to the electronic price tags, until all update data packets corresponding to the electronic price tags have been sent; an electronic price tag, used to: receive a set wake message after waking, and obtain countdown lengths for multiple items of received update data; wake again according to each countdown length and receive an update data packet which has not been received before, until all update data packets are fully received. The present invention has high efficiency and low power consumption.

Inventors:

HOU SHIGUO (CN)
LI LIANGYAN (CN)
FENG YUNLIANG (CN)
GAO BO (CN)
CHEN JUN (CN)
JIANG QI (CN)
SHEN MING (CN)

Application Number:

PCT/CN2019/099891

Publication Date:

February 18, 2021

Filing Date:

August 09, 2019

Export Citation:

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Assignee:

ZHEJIANG HANSHOW TECH CO LTD (CN)

International Classes:

G06K7/10; G06K17/00; G06K19/07; H04W4/80

Foreign References:

CN109831753A	2019-05-31
CN109729550A	2019-05-07
CN108924870A	2018-11-30
EP2372619A1	2011-10-05

Other References: