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1. (WO2017020611) TAG LOCATION DETERMINATION SYSTEM, METHOD, DEVICE, AND OPTICAL TAG

Pub. No.:    WO/2017/020611    International Application No.:    PCT/CN2016/079931
Publication Date: Fri Feb 10 00:59:59 CET 2017 International Filing Date: Fri Apr 22 01:59:59 CEST 2016
IPC: G06K 17/00
Applicants: ZTE CORPORATION
中兴通讯股份有限公司
Inventors: XU, Jidong
徐继东
FU, Zhiming
付志明
WANG, Ying
王莹
Title: TAG LOCATION DETERMINATION SYSTEM, METHOD, DEVICE, AND OPTICAL TAG
Abstract:
A tag location determination system comprises an optical tag (22), disposed on an object, and configured to receive a query command transmitted from an optical tag reader and writer device (24) via a downlink light and/or transmit tag information of the optical tag (22) to the optical tag reader and writer device (24) via an uplink light, wherein the query command is configured to instruct the optical tag (22) to report the tag information, and the tag information is configured to identify a location of the optical tag (22); and one or more optical tag reader and writer devices (24) configured to transmit the query command to the optical tag (22) via the downlink light, and/or receive the tag information transmitted from the optical tag (22) via the uplink light.