+

WO2018107527A1 - Système d'identification intelligent et sac intelligent pourvu d'antennes de fusion - Google Patents

Système d'identification intelligent et sac intelligent pourvu d'antennes de fusion Download PDF

Info

Publication number
WO2018107527A1
WO2018107527A1 PCT/CN2016/112712 CN2016112712W WO2018107527A1 WO 2018107527 A1 WO2018107527 A1 WO 2018107527A1 CN 2016112712 W CN2016112712 W CN 2016112712W WO 2018107527 A1 WO2018107527 A1 WO 2018107527A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
flexible
radio frequency
fusion
fused
Prior art date
Application number
PCT/CN2016/112712
Other languages
English (en)
Chinese (zh)
Inventor
王溯
徐艳霞
Original Assignee
北京溯云科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京溯云科技有限公司 filed Critical 北京溯云科技有限公司
Publication of WO2018107527A1 publication Critical patent/WO2018107527A1/fr

Links

Images

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
    • G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
    • A45F3/00—Travelling or camp articles; Sacks or packs carried on the body
    • A45F3/04—Sacks or packs carried on the body by means of two straps passing over the two shoulders
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45F—TRAVELLING OR CAMP EQUIPMENT: SACKS OR PACKS CARRIED ON THE BODY
    • A45F3/00—Travelling or camp articles; Sacks or packs carried on the body
    • A45F3/04—Sacks or packs carried on the body by means of two straps passing over the two shoulders
    • A45F3/042—Sacks or packs carried on the body by means of two straps passing over the two shoulders specially adapted for school children

Definitions

  • the present invention relates to the field of schoolbags, and more particularly to smart packets involving intelligent identification systems and fused antennas.
  • the RFID (Radio Frequency Identification) technology is mainly used to identify the items in the package. Since the general RFID printed label antenna has a small area, the gain is low. Gain refers to the ratio of the maximum radiation intensity in the specified direction to the maximum radiation intensity of the antenna, that is, the antenna power amplification factor. In general, the strength of the gain will interfere with the antenna radiation or the ability to receive wireless signals. That is to say, the higher the gain, the more stable the propagation of the wireless signal, and the lower the gain, the more the signal propagation is compromised.
  • tags may have overlapping effects, or the location may be approximately perpendicular to the antenna of the identifier, resulting in missed reading of the tags.
  • a single ceramic antenna it is bulky and heavy, and the design of the single antenna has strong directivity. Because the information of the RF signal in the package is very uneven, it is difficult for the label perpendicular to the antenna. Identification.
  • the object of the present invention is to provide a smart identification system and a smart packet of a fused antenna, which realizes effective identification of the contents of the package, avoids the problem of missed reading and misreading of the label, and has high accuracy and practicability.
  • an embodiment of the present invention provides an intelligent identification system, including a radio frequency identifier, a flexible fusion antenna, and a radio frequency tag;
  • the radio frequency identifier is connected to the flexible fused antenna for identifying a plurality of contents, transmitting a radio frequency identification signal to the radio frequency tag through the flexible fused antenna, and receiving the radio frequency by using the flexible fused antenna
  • the content information sent by the tag, and the content information is decoded, and the decoded content information is sent to the central information system;
  • the radio frequency tag is connected to the flexible fused antenna, configured to receive the radio frequency identification signal sent by the radio frequency identifier through the flexible fused antenna, and send the content information through the flexible fused antenna Give the radio frequency identifier.
  • an embodiment of the present invention provides a first possible implementation manner of the first aspect, wherein the radio frequency identifier comprises a coupler, a transceiver, and a controller;
  • the coupler is coupled to the transceiver for providing an electromagnetic field carrying energy and timing to the radio frequency tag, so that the radio frequency tag transmits the content information to the flexible fusion antenna through the electromagnetic field ;
  • the transceiver is connected to the controller, configured to receive the content information through a flexible fusion antenna, and send the content information to the controller;
  • the controller is coupled to the transceiver for identifying and decoding the content information, and transmitting the decoded content information to the central information system.
  • the embodiment of the present invention provides the second possible implementation manner of the first aspect, wherein the radio frequency identifier further includes an interface unit, where the interface unit is respectively The flexible fused antenna is coupled to the transceiver for providing a path for data transmission.
  • the embodiment of the present invention provides a third possible implementation manner of the first aspect, wherein the radio frequency identifier is further configured to control a power distribution of the flexible fused antenna by using multiple input multiple output MIMO technology, The content is placed in a uniform electromagnetic field strength.
  • an embodiment of the present invention provides a smart packet for merging an antenna, including the smart identification system as described above, further comprising: a package body, the smart identification system is disposed in the package body, and the flexible fusion antenna is disposed in the package On the inner wall of the body.
  • the embodiment of the present invention provides the first possible implementation manner of the second aspect, wherein the flexible fused antenna comprises a first flexible fused antenna, a second flexible fused antenna, and a third flexible fused antenna.
  • the embodiment of the present invention provides a second possible implementation manner of the second aspect, wherein the first flexible fused antenna is disposed on a top inner side of the package body, The second flexible fused antenna is disposed on an inner side of the bottom of the package, and the third flexible fused antenna is disposed on an inner side of the package.
  • the embodiment of the present invention provides a third possible implementation manner of the second aspect, wherein the third flexible fusion antenna is disposed near the wearer of the package body On the inside side of the back side.
  • the embodiment of the present invention provides the fourth possible implementation manner of the second aspect, wherein a fusion area of the third flexible fusion antenna and the inner wall is greater than the A fusion area of the second flexible fusion antenna and the inner wall.
  • the embodiment of the present invention provides a fifth possible implementation manner of the second aspect, wherein a fusion area of the third flexible fusion antenna and the inner wall is greater than the A fusion area of the first flexible fusion antenna and the inner wall.
  • the invention provides a smart identification system and a smart package of a fusion antenna
  • the intelligent identification system comprises a radio frequency identifier, a flexible fusion antenna and a radio frequency tag
  • the radio frequency identifier is used for identifying the content, transmitting the radio frequency identification signal through the flexible fusion antenna, and passing through the flexible fusion antenna
  • the radio frequency tag is configured to receive the radio frequency identification signal sent by the radio frequency identifier through the flexible fusion antenna, and the content is transmitted through the flexible fusion antenna
  • the information information is sent to the RFID reader
  • the smart package of the fusion antenna includes an intelligent identification system and a package body, and the intelligent identification system is arranged in the package body, and the flexible fusion antenna is set.
  • the invention realizes the effective identification of the contents of the package, avoids the problem of missed reading and misreading of the label, has high accuracy and strong practicability.
  • FIG. 1 is a schematic structural diagram of an intelligent identification system according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a radio frequency identifier according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of a smart packet of a fused antenna according to an embodiment of the present disclosure
  • FIG. 4 is a schematic structural diagram of a smart packet of another fused antenna according to an embodiment of the present invention.
  • 10-radio frequency identifier 11-coupler; 12-transceiver; 13-controller; 14-interface unit; 20-flexible fusion antenna; 30-RF tag; 40-light sensor; 41-magnetic sensor; body.
  • the spatial position and direction of the in-package tag are uncertain, and there may be an overlap effect, or the position is approximately perpendicular to the antenna of the identifier, resulting in a missing reading problem of the tag.
  • the smartness provided by the embodiment of the present invention is provided.
  • the identification system and the smart package of the fusion antenna realize the effective identification of the contents of the package, avoiding the problem of missed reading and misreading of the label, high accuracy and strong practicability.
  • FIG. 1 is a schematic structural diagram of an intelligent identification system according to an embodiment of the present invention.
  • the intelligent identification system includes a radio frequency identifier 10, a flexible fused antenna 20, and a radio frequency tag 30;
  • the radio frequency identifier 10 is connected to the flexible fused antenna 20 for identifying a plurality of contents, transmitting a radio frequency identification signal to the radio frequency tag 30 through the flexible fused antenna 20, and receiving the content information sent by the radio frequency tag 30 through the flexible fused antenna 20. And decoding the content information, and transmitting the decoded content information to the central information system;
  • the smart identification system transmits the radio frequency identification signal through one or more flexible fusion antennas 20 and receives the content information, so as to achieve uniform distribution of the radio frequency signals in the package, and achieve the purpose of simultaneously identifying multiple contents in the package.
  • the antenna can be flexibly printed and fully integrated with the inner wall of the package.
  • the flexible printed antenna utilizes the characteristics of a flexible material to make the entire antenna structure soft and flexible, and is suitable for various wearable devices.
  • the radio frequency tag 30 is coupled to the flexible fused antenna 20 for receiving the radio frequency identification signal transmitted by the radio frequency identifier 10 through the flexible fused antenna 20, and transmitting the content information to the radio frequency identifier 10 through the flexible fused antenna 20.
  • the radio frequency identifier 10 includes a coupler 11, a transceiver 12, and a controller 13;
  • the coupler 11 is connected to the transceiver 12 for providing the radio frequency tag 30 with an electromagnetic field carrying energy and timing, so that the radio frequency tag 30 transmits the content information to the flexible fused antenna 20 through the electromagnetic field;
  • the radio frequency identifier forms an electromagnetic field through the coupler to provide energy and timing to the radio frequency tag, so that the radio frequency tag transmits the product information stored in the chip by the energy obtained by coupling the induced current, and the radio frequency identifier reads the product information. After decoding, it is sent to the central information system for data processing.
  • the transceiver 12 is connected to the controller 13 for receiving content information through the flexible fusion antenna 20 and transmitting the content information to the controller 13;
  • the controller 13 is connected to the transceiver 12 for identifying and decoding the content information, and transmitting the decoded content information to the central information system.
  • the process of interacting with the radio frequency tag 30 by the radio frequency identifier 10 is coupled to the passive radio frequency tag 30 through the flexible fusion antenna 20, and provides energy and timing thereto.
  • the radio frequency tag 30 transmits the energy obtained by coupling the induced current.
  • the content information stored in the chip, the content information includes product information, and the radio frequency identifier 10 reads the product information and decodes it, sends it to the central information system for data processing, and feeds the processing result back to the user in time.
  • the radio frequency identifier 10 further includes an interface unit 14 that is coupled to the flexible fused antenna 20 and the transceiver 12, respectively, for providing a path for the transmission of data.
  • the radio frequency identifier 10 is further configured to control the power distribution of the flexible fused antenna 20 by a multiple-input multiple-output MIMO (Multiple Input Multiple-Output) technique to place the content at Uniform electromagnetic field strength.
  • MIMO Multiple Input Multiple-Output
  • the intelligent identification system greatly improves the antenna design in the basic principle of the traditional RFID (Radio Frequency Identification) identification method
  • the RFID receiver uses MIMO technology to intelligently control the power distribution on multiple antennas. Multiple antennas are geometrically located at different positions within the package and have different orientations, which can effectively ensure the RF signal in the package. There is a more uniform distribution of field strength.
  • the MIMO technology refers to using a plurality of transmitting antennas and receiving antennas at the transmitting end and the receiving end, respectively, so that signals are transmitted and received through multiple antennas at the transmitting end and the receiving end. It can make full use of space resources and achieve multiple transmission and reception through multiple antennas. It can double the channel capacity without increasing the spectrum resources and antenna transmission power, showing obvious advantages.
  • the embodiment also provides an anti-theft capability for the intelligent identification system.
  • the smart identification system further includes a sensor and is connected to the radio frequency identifier 10 for Detecting status information of the target object, if the status information is not within the range of the preset status information, transmitting a detection signal to the radio frequency identifier 10 to trigger the radio frequency identifier 10 to identify the content of the target object;
  • the target object may be a school bag
  • the sensor may detect whether the school bag is moved or opened, and when the school bag is moved or opened, the sensor sends a movement signal or an opening signal to the radio frequency identifier 10, thereby triggering the pair of radio frequency identifiers 10.
  • the objects in the bag are identified to prevent the contents from being stolen.
  • the radio frequency identifier 10 needs to read a plurality of radio frequency tags in the packet, so that a larger transmit power is used, and the sensor is used to trigger the radio frequency identifier 10 to identify objects in the book bag, and it is not necessary to continuously and uninterruptly object in the bag. Identify and compare power savings.
  • the senor may be the illumination sensor 40 and the magnetic sensor 41 for detecting the opening state information of the target object.
  • the target object may be a school bag
  • the illumination sensor is disposed at the opening of the school bag
  • the magnetic sensor is disposed on the buckle of the school bag.
  • the illumination sensor detects that the optical signal is sent to the radio frequency identifier, thereby triggering the radio frequency identification.
  • the module identifies the contents of the package.
  • the magnetic sensor detects that the magnetic signal is sent to the RFID reader, thereby triggering the RFID module to identify the object in the package to prevent the object from being stolen.
  • the invention provides an intelligent identification system, comprising a radio frequency identifier, a flexible fusion antenna and a radio frequency tag; the radio frequency identifier is used for identifying the content, and transmitting the radio frequency identification signal through the flexible fusion antenna, And receiving the content information through the flexible fusion antenna, decoding the content information, and transmitting the decoded content information to the central information system; the radio frequency tag is used to receive the radio frequency identification signal sent by the radio frequency identifier through the flexible fusion antenna, and through flexible fusion
  • the antenna transmits the content information to the RFID reader.
  • the invention realizes the effective identification of the contents of the package, avoids the problem of missed reading and misreading of the label, has high accuracy, strong practicability, and is equipped with a certain anti-theft function, thereby effectively preventing the object in the bag from being stolen.
  • FIG. 3 is a schematic structural diagram of a smart packet of a fused antenna according to an embodiment of the present invention.
  • the smart package of the fused antenna includes the intelligent identification system as described above, and further includes: a package body 50 in which an intelligent identification system is disposed, and the flexible fused antenna 20 is disposed on the inner wall of the package body 50.
  • the radio frequency identifier 10 is disposed at the bottom of the package body 50.
  • the sensor includes a magnetic sensor and an illumination sensor.
  • the magnetic sensor is disposed on the buckle of the bag body, and the illumination sensor is disposed at the opening of the package body 50.
  • the flexible fused antenna 20 includes a first flexible fused antenna, a second flexible fused antenna, and a third flexible fused antenna.
  • the first flexible fused antenna is disposed on the inner side of the top of the package 50
  • the second flexible fused antenna is disposed on the inner side of the bottom of the package 50
  • the third flexible fused antenna is disposed on the inner side of the package 50.
  • the third flexible fused antenna may be disposed on the inner wall of the backpack near the back side of the backpack, because the third flexible fused antenna on the side requires more power to transmit and receive signals;
  • the flexible fusion antenna may be disposed on the inner side of the top of the package body 50, and the second flexible fusion antenna may be disposed on the inner side of the bottom of the package body 50.
  • At least the three sides of the inner wall of the package body are provided with flexible fusion antennas, thereby ensuring the inside of the package body.
  • the electromagnetic field has a uniform field strength.
  • the third flexible fusion antenna is disposed on the inner side of the package body 50 near the back side of the wearer.
  • a fusion area of the third flexible fusion antenna and the inner wall is larger than a fusion area of the second flexible fusion antenna and the inner wall.
  • a fusion area of the third flexible fusion antenna and the inner wall is larger than a fusion area of the first flexible fusion antenna and the inner wall.
  • the area is larger than the fusion area of the first and second flexible fused antennas and the inner wall.
  • the smart packet of the fused antenna provided by the embodiment of the invention comprises an intelligent identification system and a package body, and an intelligent identification system is disposed in the package body, and the flexible fusion antenna is disposed on the inner wall of the package body.
  • the invention realizes the effective identification of the contents of the package, avoids the problem of missed reading and misreading of the label, has high accuracy and strong practicability.
  • the computer program product provided by the embodiment of the present invention includes a computer readable storage medium storing the program code, and the program code includes instructions for executing the method described in the foregoing method embodiment.
  • the program code includes instructions for executing the method described in the foregoing method embodiment.
  • the specific implementation refer to the method embodiment. , will not repeat them here.
  • the terms “installation”, “connected”, and “connected” are to be understood broadly, and may be a fixed connection or a detachable connection, unless otherwise explicitly defined and defined. , or connected integrally; may be mechanical connection or electrical connection; may be directly connected, or may be indirectly connected through an intermediate medium, and may be internal communication between the two elements.
  • installation may be a fixed connection or a detachable connection, unless otherwise explicitly defined and defined.
  • connected integrally may be mechanical connection or electrical connection; may be directly connected, or may be indirectly connected through an intermediate medium, and may be internal communication between the two elements.
  • the specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product. Based on such understanding, the technical solution of the present invention, which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product stored in a storage.
  • the medium includes instructions for causing a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Near-Field Transmission Systems (AREA)
  • Details Of Aerials (AREA)

Abstract

L'invention concerne un système d'identification intelligent et un sac intelligent pourvu d'antennes de fusion. Le système d'identification intelligent comprend un identificateur de radiofréquence (10), des antennes de fusion flexibles (20) et des étiquettes de radiofréquence (30); l'identifiant de radiofréquence (10) est connecté aux antennes de fusion flexibles (20), et est utilisé pour identifier des contenus, envoyer des signaux d'identification radiofréquence au moyen des antennes de fusion flexibles (20), recevoir des informations de contenu au moyen des antennes de fusion flexibles (20), décoder les informations de contenu, et envoyer les informations de contenu décodées à un système d'informations central ; les étiquettes de radiofréquence (30) sont connectées aux antennes de fusion flexibles (20), et sont utilisées pour recevoir, au moyen des antennes de fusion flexibles (20), les signaux d'identification de radiofréquence envoyés par l'identifiant de radiofréquence (10), et pour envoyer les informations de contenu à l'identifiant de radiofréquence (10) au moyen des antennes de fusion flexibles (20). Le sac intelligent pourvu d'antennes de fusion comprend un système d'identification intelligent et un corps de sac (50); le système d'identification intelligent est disposé dans le corps de sac (50); des antennes de fusion flexibles (20) sont disposées sur des parois internes du corps de sac (50). Le système d'identification intelligent peut identifier efficacement le contenu du sac, évite les problèmes d'échec de lecture et d'erreur de lecture des étiquettes, et présente une grande précision et une grande facilité de mise en œuvre.
PCT/CN2016/112712 2016-12-13 2017-01-23 Système d'identification intelligent et sac intelligent pourvu d'antennes de fusion WO2018107527A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201611149519.1A CN106485303A (zh) 2016-12-13 2016-12-13 智能识别系统和融合天线的智能包
CN201611149519.1 2016-12-13

Publications (1)

Publication Number Publication Date
WO2018107527A1 true WO2018107527A1 (fr) 2018-06-21

Family

ID=58285308

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/112712 WO2018107527A1 (fr) 2016-12-13 2017-01-23 Système d'identification intelligent et sac intelligent pourvu d'antennes de fusion

Country Status (2)

Country Link
CN (1) CN106485303A (fr)
WO (1) WO2018107527A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106599950A (zh) * 2016-12-12 2017-04-26 北京溯云科技有限公司 智能识别系统和智能包
CN106778968A (zh) * 2016-12-12 2017-05-31 北京溯云科技有限公司 智能识别系统和智能包
CN116406887A (zh) * 2021-12-30 2023-07-11 华为技术有限公司 储物容器、物品检测的方法及系统

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040070503A1 (en) * 2002-10-10 2004-04-15 Brian Monahan Flexible RFID antenna panel and system
CN200947215Y (zh) * 2006-07-20 2007-09-12 北京中创英泰应用科技有限公司 Rfid物品监控系统
CN101145202A (zh) * 2007-10-25 2008-03-19 余启联 书包智能管理器
CN101322419A (zh) * 2005-12-06 2008-12-10 讯宝科技公司 Rfid和mimo技术的系统集成
CN104021404A (zh) * 2014-05-30 2014-09-03 深圳市远望谷信息技术股份有限公司 一种近场使用的射频识别系统
CN105955510A (zh) * 2016-04-28 2016-09-21 赵阳 人机交互系统及方法
CN106599950A (zh) * 2016-12-12 2017-04-26 北京溯云科技有限公司 智能识别系统和智能包
CN106778968A (zh) * 2016-12-12 2017-05-31 北京溯云科技有限公司 智能识别系统和智能包

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040070503A1 (en) * 2002-10-10 2004-04-15 Brian Monahan Flexible RFID antenna panel and system
CN101322419A (zh) * 2005-12-06 2008-12-10 讯宝科技公司 Rfid和mimo技术的系统集成
CN200947215Y (zh) * 2006-07-20 2007-09-12 北京中创英泰应用科技有限公司 Rfid物品监控系统
CN101145202A (zh) * 2007-10-25 2008-03-19 余启联 书包智能管理器
CN104021404A (zh) * 2014-05-30 2014-09-03 深圳市远望谷信息技术股份有限公司 一种近场使用的射频识别系统
CN105955510A (zh) * 2016-04-28 2016-09-21 赵阳 人机交互系统及方法
CN106599950A (zh) * 2016-12-12 2017-04-26 北京溯云科技有限公司 智能识别系统和智能包
CN106778968A (zh) * 2016-12-12 2017-05-31 北京溯云科技有限公司 智能识别系统和智能包

Also Published As

Publication number Publication date
CN106485303A (zh) 2017-03-08

Similar Documents

Publication Publication Date Title
US9059759B2 (en) Switchable antenna elements for a wireless communications device
US9042817B2 (en) Method and system to automatically establish NFC link between NFC enabled electronic devices based on proximate distance
TWI726854B (zh) 行動電話可操作的詢答器標籤，可攜式物件，行動電話及相應方法
US9098734B2 (en) System and method for the presence recognition of a second portable data carrier by a first portable data carrier
JP2012512463A (ja) 両立的または排他的なｒｆｉｄタグの交信およびクエリラウンド
US9507978B2 (en) Antenna device for RFID reader/writer
TW200813850A (en) RF tag reader and method
WO2018107527A1 (fr) Système d'identification intelligent et sac intelligent pourvu d'antennes de fusion
KR101485569B1 (ko) 금속 덮개가 적용된 이동통신 단말기의 ｎｆｃ 안테나
EP2752999B1 (fr) Dispositif de communication sans fil mobile comprenant un circuit de commande d'adaptation d'antenne NFC et procédés associés
KR101254031B1 (ko) 물체 근접인식 센서기능이 있는 휴대용 알에프아이디 태그 리더기
WO2018107530A1 (fr) Système d'identification intelligent et sac intelligent
JP4866456B2 (ja) Ｒｆタグリーダライタ
JP2006211551A (ja) 携帯端末装置
US9323965B2 (en) Method for choosing RFID communication mode and RFID device which supports near-field and far-field communication
WO2018107529A1 (fr) Système d'identification intelligent et sac intelligent
Ansari et al. Extending Near Field Communication Range for Ultra-Dense Internet of Things
TWI508371B (zh) 多天線運用系統及方法
CN103198351B (zh) 环柱形电子标签
KR100773817B1 (ko) 알에프아이디 태그 및 이를 구비하는 알에프아이디 시스템
CN108851453A (zh) 一种基于电子标签的具有物品提醒功能的随身包
KR101217015B1 (ko) 직렬급전구조를 갖는 다중루프 ｎｆｃ용 안테나
JP2017218766A (ja) 扉開閉検知システムおよび扉の開閉判定方法
CA2846031C (fr) Systeme de securite d'antenne distante rfid
CN213093365U (zh) 一种定向天线、射频电路以及带寻向功能的电子设备

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16923908

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 16923908

Country of ref document: EP

Kind code of ref document: A1

点击 这是indexloc提供的php浏览器服务，不要输入任何密码和下载