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KR200445875Y1 - Contactless Electronic Tag Identification Device - Google Patents

Contactless Electronic Tag Identification Device Download PDF

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Publication number
KR200445875Y1
KR200445875Y1 KR2020070009259U KR20070009259U KR200445875Y1 KR 200445875 Y1 KR200445875 Y1 KR 200445875Y1 KR 2020070009259 U KR2020070009259 U KR 2020070009259U KR 20070009259 U KR20070009259 U KR 20070009259U KR 200445875 Y1 KR200445875 Y1 KR 200445875Y1
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South Korea
Prior art keywords
rfid
conductor plate
antenna
electronic tag
identification device
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KR2020070009259U
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KR20080006091U (en
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이창진
김상윤
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(주) 네톰
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G06K19/07773—Antenna details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Details Of Aerials (AREA)

Abstract

본 고안은 전자태그 식별 장치에 관한 것으로, 좀 더 상세하게는 UHF 대역 RFID를 사용하는 시스템에서 복수의 RFID 칩의 데이터를 하나의 안테나로 전송하기 위하여 안테나와 RFID 칩을 전기적으로 분리시키고 소정의 면적을 가진 도체판을 형성하여 전자기적 결합에 의해 RFID 칩을 선택적으로 접속하는 비접촉식 전자태그 식별 장치에 관한 것이다. 일반적으로 복수의 RFID 칩을 선택적으로 접속하기 위해 종래에는 스프링(spring)에 의한 접촉 또는 장력(tension)을 이용하여 직접 접촉되도록 하는 방법을 사용하였으나, 이는 접촉을 위한 도전체 면이 장기간의 스위칭 동작에 의해 마모되거나 접촉면의 상태에 따라 스위칭의 신뢰성이 보장되지 않는다고 하는 문제점이 있었다.The present invention relates to an electronic tag identification device, and more particularly, to electrically separate the antenna and the RFID chip in order to transmit data of a plurality of RFID chips to a single antenna in a system using UHF band RFID It relates to a non-contact electronic tag identification device for forming a conductor plate having a selective connection of the RFID chip by electromagnetic coupling. In general, in order to selectively connect a plurality of RFID chips, conventionally, a method of directly contacting by using a contact or tension by a spring is used. There is a problem that the reliability of the switching is not guaranteed depending on the wear or the contact surface state.

본 고안은 이와같은 종래의 문제점을 해결하기 위해, 유전체 재질의 기판상에 복사소자가 형성된 안테나부와, 유전체 재질의 기판상에 소정 면적을 가진 도체판이 형성되고 상기 도체판에 접속된 RFID 칩을 구비한 적어도 2개 이상의 RFID부로 이루어져, 회전수단 또는 이송수단에 의해 어느 하나의 RFID부를 안테나부에 전자기적으로 접속시킨다.In order to solve such a conventional problem, the present invention provides an antenna unit in which a radiation element is formed on a substrate made of a dielectric material, and an RFID chip having a predetermined area formed on the substrate made of a dielectric material and connected to the conductor plate. Comprising at least two or more RFID unit provided, the one or more RFID unit is electromagnetically connected to the antenna unit by a rotating means or a transfer means.

RFID 칩, 안테나, 도체판, 전자기 결합, 선택 접속  RFID chip, antenna, conductor plate, electromagnetic coupling, optional connection

Description

비접촉식 전자태그 식별 장치{APPARATUS FOR IDENTIFYING RFID TAG}Contactless Electronic Tag Identification Device {APPARATUS FOR IDENTIFYING RFID TAG}

도 1은 본 고안에 따른 비접촉식 전자태그용 안테나부의 외관도.1 is an external view of the antenna unit for a contactless electronic tag according to the present invention.

도 2는 본 고안에 따른 RFID부의 구성을 나타내는 도면.2 is a view showing the configuration of the RFID unit according to the present invention.

도 3은 본 고안에 따른 비접촉식 전자태그용 안테나부와 RFID부의 결합 상태를 나타내는 도면.Figure 3 is a view showing a coupling state of the antenna unit for contactless electronic tag and RFID according to the present invention.

도 4는 본 고안에 따른 비접촉식 전자태그용 안테나부의 일실시예 동작을 나타내는 도면.Figure 4 is a view showing an embodiment of the operation of the antenna unit for a contactless electronic tag according to the present invention.

< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>

210 : 안테나부 211 : 제 1 기판210: antenna unit 211: first substrate

212 : 복사소자 213 : 급전점
220 : RFID부 221 : 제 2 기판
222 : 도체판 223 : RFID 칩
220a ∼ 220b : 제 1 내지 제 4 RFID부212: radiating element 213: feeding point
220: RFID unit 221: second substrate
222: conductor plate 223: RFID chip
220a to 220b: first to fourth RFID units

삭제delete

삭제delete

본 고안은 전자태그 식별 장치에 관한 것으로, 좀 더 상세하게는 UHF 대역 RFID를 사용하는 시스템에서 복수의 RFID 칩의 데이터를 하나의 안테나로 전송하기 위하여 안테나와 RFID 칩을 전기적으로 분리시키고 소정의 면적을 가진 도체판을 형성하여 전자기적 결합에 의해 RFID 칩을 선택적으로 접속하는 비접촉식 전자태그 식별 장치에 관한 것이다.The present invention relates to an electronic tag identification device, and more particularly, to electrically separate the antenna and the RFID chip in order to transmit data of a plurality of RFID chips to a single antenna in a system using UHF band RFID It relates to a non-contact electronic tag identification device for forming a conductor plate having a selective connection of the RFID chip by electromagnetic coupling.

전자태그(RFID;Radio Frequency Identification)란 미리 할당된 주파수 대역을 이용하여 원격지에서 대상물의 각종 정보를 읽어내는 기술로서, 대상물에 마이크로칩을 내장한 스티커 형태의 태그를 부착한 후 판독기나 안테나를 설치하여 태그 정보를 인식하게 된다.RFID (Radio Frequency Identification) is a technology that reads various information of an object from a remote location by using a pre-allocated frequency band, and attaches a tag in the form of a sticker with a microchip embedded in the object, and then installs a reader or antenna. Tag information is recognized.

이와같은 전자태그 시스템이 본격화되어 전자태그를 통해 물품 정보를 파악하게 함으로써 제품에 찍힌 바코드를 스캐닝하는 종래의 방식을 대체함과 아울러 판매와 동시에 물건의 입출고 정보까지 파악할 수 있으므로 유통기한 및 재고 관리를 쉽게 할 수 있을 뿐만 아니라 물건의 위치 추적도 가능하게 된다.The electronic tag system has become full-fledged, allowing users to grasp product information through electronic tags, thereby replacing the conventional method of scanning barcodes on products. Not only is it easy to do, but it is also possible to track the location of objects.

따라서, 판매자 입장에서는 제품의 관리가 용이하고 종래의 바코드나 마그네틱 카드에 비해 인식률이 높은 시스템을 사용할 수 있게 되며, 구매자 입장에서도 구매할 물품을 일일이 계산하지 않아도 되므로 시간을 절약할 수 있는 이점이 있다. 한편, 상기와 같은 전자태그용 주파수는 908.5~914MHz의 대역폭 5.5MHz가 할당되었다.Therefore, the seller can easily manage the product and use a system having a higher recognition rate than the conventional barcode or magnetic card, and there is an advantage of saving time because the buyer does not have to calculate the items to purchase. On the other hand, the frequency for the electronic tag as described above has been allocated a bandwidth of 5.58.5 to 908.5 ~ 914MHz.

한편, 일반적으로 복수의 RFID 칩을 선택적으로 접속하기 위해 종래에는 스프링(spring)에 의한 접촉 또는 장력(tension)을 이용하여 직접 접촉되도록 하는 방법을 사용하였으나, 이는 접촉을 위한 도전체 면이 장기간의 스위칭 동작에 의해 마모되거나 접촉면의 상태에 따라 스위칭의 신뢰성이 보장되지 않는다고 하는 문제 점이 있었다.In general, in order to selectively connect a plurality of RFID chips, conventionally, a method of allowing direct contact by using a spring or a tension by a spring is used. There is a problem that the reliability of switching is not guaranteed depending on the state of the contact surface or wear due to the switching operation.

본 고안은 상기와 같은 종래의 문제점을 해결하기 위해, 유전체 재질의 기판상에 복사소자가 형성된 안테나부와, 유전체 재질의 기판상에 소정 면적을 가진 도체판이 형성되고 상기 도체판에 접속된 RFID 칩으로 구성된 적어도 2개 이상의 RFID부로 이루어져, 회전수단 또는 이송수단에 의해 어느 하나의 RFID부를 안테나부에 전자기적으로 선택접속시킬 수 있는 비접촉식 전자태그 장치를 제공하는 것을 기술적 과제로 한다.The present invention, in order to solve the above conventional problems, the antenna portion formed with a radiation element on the substrate of the dielectric material, a conductor plate having a predetermined area on the substrate of the dielectric material is formed and the RFID chip connected to the conductor plate It is an object of the present invention to provide a non-contact electronic tag device which is composed of at least two RFID units, which can selectively connect one RFID unit to an antenna unit by a rotating means or a transfer unit.

상기 과제를 해결하기 위해 본 고안은, 유전체 재질의 기판(211)상에 복사소자(212)가 형성된 안테나부(210); 유전체 재질의 기판(221)상에 소정 면적을 가진 도체판(222)이 형성되고 상기 도체판에 접속된 RFID 칩(223)을 구성한 적어도 2개 이상의 RFID부(220);를 포함한다.The present invention to solve the above problems, the antenna unit 210, the radiation element 212 is formed on the substrate 211 of the dielectric material; A conductive plate 222 having a predetermined area is formed on the substrate 221 of the dielectric material, and at least two or more RFID units 220 constituting the RFID chip 223 connected to the conductive plate.

이하, 본 고안의 바람직한 실시예를 도면을 참고로 하여 상세히 설명한다. 이하의 설명에서 동일하거나 대응하는 부재는 동일한 참조번호를 부여하고 이에 대한 자세한 설명은 생략하기로 한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. In the following description, the same or corresponding members will be denoted by the same reference numerals and detailed description thereof will be omitted.

도 1은 본 고안에 따른 비접촉식 전자태그용 안테나부의 외관도이고, 도 2는 본 고안에 따른 RFID부의 구성을 나타내는 도면이다. 도 1에서 본 고안에 따른 안테나부(210)는 UHF 대역 RFID 시스템의 중심 주파수에 대하여 파장에 공진되는 다이폴(dipole) 안테나로서, 유전체 재질의 제1 기판(211)에 도체패턴의 형태로 복사소자(212)가 형성되고 그 중앙부에 급전점(213)이 형성된 것이다. 이와같은 안테나는 다이폴 형태로 한정되는 것은 아니며 유전체 기판에 형성될 수 있는 것이면 어느 것이나 무방하다.1 is an external view of the antenna unit for a contactless electronic tag according to the present invention, Figure 2 is a view showing the configuration of the RFID unit according to the present invention. In FIG. 1, the antenna unit 210 according to the present invention is a dipole antenna that is resonant with a wavelength with respect to a center frequency of a UHF band RFID system, and radiates in the form of a conductor pattern on a first substrate 211 made of a dielectric material. 212 is formed, and the feed point 213 is formed at the center thereof. Such an antenna is not limited to a dipole type, and any antenna may be formed on the dielectric substrate.

또한, 도 2에서 본 고안에 따른 RFID부(220)는 유전체 재질의 제2 기판(221)에 구비되는 RFID 칩(223)을 포함하며, 상기 RFID 칩을 중심으로 좌우에 소정 면적을 가진 도체판(222)이 접속된다. 본 고안의 실시예에서는 상기 도체판의 면적이 40[mm2]가 되도록 하였다.In addition, the RFID unit 220 according to the present invention in FIG. 2 includes an RFID chip 223 provided on the second substrate 221 of a dielectric material, and has a conductor plate having a predetermined area on the left and right sides of the RFID chip. 222 is connected. In an embodiment of the present invention, the area of the conductor plate was 40 [mm 2 ].

상기와 같은 안테나부(210)와 적어도 2개 이상의 RFID부(220)의 구성에 의해 본 고안은 특정 정보를 담은 어느 하나의 RFID 칩(223)과 안테나부(210)를 전자기적 결합에 의해 접속할 수 있다. 도 3은 본 고안에 따른 비접촉식 전자태그용 안테나부와 RFID부의 결합 상태를 나타내는 도면이다.According to the configuration of the antenna unit 210 and at least two RFID unit 220 as described above, the present invention can connect any one of the RFID chip 223 and the antenna unit 210 containing specific information by electromagnetic coupling. Can be. 3 is a view showing a coupling state of the antenna unit for a non-contact electronic tag according to the present invention RFID.

먼저, 도 3의 (a)에서 안테나부(210)와 RFID부(220)는 복사소자(212)와 도체판(222)이 간격 d를 갖고 서로 대향되도록 배치되는데, 이때 안테나부의 급전점(213)과 RFID 칩의 중심이 서로 일치되는 것이 바람직하다. 또한, 도 3의 (b)와 같이 전자기적 결합이 효과적으로 이루어질 수 있도록 복사소자(212)와 도체판(222)은 동일한 폭을 갖는 것이 바람직하다.First, in FIG. 3A, the antenna unit 210 and the RFID unit 220 are arranged such that the radiating element 212 and the conductor plate 222 face each other with a distance d. In this case, the feed point 213 of the antenna unit ) And the center of the RFID chip preferably coincide with each other. In addition, the radiation element 212 and the conductor plate 222 preferably have the same width so that electromagnetic coupling can be effectively performed as shown in FIG.

도 3의 (c)는 안테나부의 복사소자와 전자기적 결합되는 도체판의 면적을 나타내는 것으로서 상기 도체판은 RFID 칩을 중심으로 A의 면적을 갖고 좌우에 대칭적으로 형성된다.Figure 3 (c) shows the area of the conductor plate electromagnetically coupled to the radiation element of the antenna unit, the conductor plate has an area of A around the RFID chip and is formed symmetrically to the left and right.

본 고안은 실시예로서 상기 도 3에 있어서 안테나부(210)와 RFID부(220)의 간격을 d=1[mm]로 하였고, 상기 도체판의 면적을 A=40[mm2]로 하였다.In the present invention, as shown in FIG. 3, the distance between the antenna unit 210 and the RFID unit 220 is d = 1 [mm], and the area of the conductor plate is A = 40 [mm 2 ].

도 4는 본 고안에 따른 비접촉식 전자태그 식별 장치의 일실시예 동작을 나타내는 도면으로서 4개의 RFID부(RFID 칩)를 선택적으로 접속하는 경우이다. 상술한 바와 같이 본 고안은 하나의 안테나로 다수의 RFID 칩을 선택적으로 접속하여 정보를 전송할 수 있도록 한 것이다. 구체적으로 도 4에서 제 1 내지 제 4 RFID부(220a∼220d)는 회전수단 또는 이송수단에 의해 어느 하나가 안테나부(210)에 근접하여 전자기적으로 그리고 선택적으로 접속되는 것이다.4 is a view illustrating an embodiment of a contactless electronic tag identification apparatus according to the present invention, in which four RFID units (RFID chips) are selectively connected. As described above, the present invention is intended to transmit information by selectively connecting a plurality of RFID chips with one antenna. Specifically, in FIG. 4, one of the first to fourth RFID parts 220a to 220d is electromagnetically and selectively connected to the antenna unit 210 by one of the rotating means and the transferring means.

상기와 같은 본 고안은 바람직한 실시예에 대하여 기술하였으나 본 고안이 이에 한정되는 것은 아니며, 본 고안의 기술적 사상을 벗어나지 않는 범위 내에서 다양한 변형 및 변경이 행해질 수 있다.Although the present invention as described above has been described with respect to the preferred embodiment, the present invention is not limited thereto, and various modifications and changes may be made without departing from the technical spirit of the present invention.

상기와 같이 본 고안은 유전체 재질의 기판상에 복사소자가 형성된 안테나부와, 유전체 재질의 기판상에 소정 면적을 가진 도체판이 형성되고 상기 도체판에 접속된 RFID 칩으로 이루어진 적어도 2개 이상의 RFID부가 전자기적 결합에 의해 선택적으로 안테나부에 접속됨으로써, 하나의 안테나로 복수의 RFID 칩을 선택적으로 접속하는 효과가 있다.As described above, the present invention provides at least two RFID parts including an antenna part having a radiating element formed on a substrate made of a dielectric material, and a conductor plate having a predetermined area formed on the substrate made of a dielectric material and connected to the conductor plate. By being selectively connected to the antenna unit by electromagnetic coupling, there is an effect of selectively connecting a plurality of RFID chips with one antenna.

Claims (4)

삭제delete 전자태그 식별 장치에 있어서,In the electronic tag identification device, 유전체 재질의 제1 기판상에 복사소자와 급전점이 형성된 안테나부;An antenna unit having a radiation element and a feed point formed on a first substrate of a dielectric material; 회전수단; 및Rotating means; And 유전체 재질의 제2 기판상에 소정면적을 가진 도체판이 형성되고 상기 도체판에 접속된 RFID칩을 구비하며, 상기 회전수단의 표면상에 일정한 배열로 배치되어, 상기 회전수단이 회전하면서 소정 간격으로 상기 도체판과 상기 안테나부의 복사소자가 대향함으로써 상기 안테나부와 전자기적으로 결합하는 다수의 RFID부; A conductor plate having a predetermined area is formed on the second substrate of dielectric material and has an RFID chip connected to the conductor plate, and is arranged in a predetermined arrangement on the surface of the rotating means, and the rotating means rotates at predetermined intervals. A plurality of RFID units electromagnetically coupled to the antenna unit by opposing the conductor plate and the radiating element of the antenna unit; 를 포함하는 것을 특징으로 하는 비접촉식 전자태그 식별 장치.Contactless electronic tag identification device comprising a. 제 2 항에 있어서,The method of claim 2, 상기 소정 간격은 1[mm]인 것을 특징으로 하는 비접촉식 전자태그 식별 장치.And said predetermined interval is 1 [mm]. 제 2 항에 있어서,The method of claim 2, 상기 도체판의 면적은 40[mm2]인 것을 특징으로 하는 비접촉식 전자태그 식별 장치.A contactless electronic tag identification device, characterized in that the area of the conductor plate is 40 [mm 2 ].
KR2020070009259U 2007-06-05 2007-06-05 Contactless Electronic Tag Identification Device Expired - Lifetime KR200445875Y1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09277766A (en) * 1996-04-10 1997-10-28 Tokin Corp Non-contact type ic card and its manufacture
KR20030019481A (en) * 2003-01-07 2003-03-06 주식회사 제이디씨텍 Combi-type Intergrated Circuit Card and Producting Method Therefor
KR20050122133A (en) * 2004-06-23 2005-12-28 김용필 Module for selecting rf antenna for smart chip

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09277766A (en) * 1996-04-10 1997-10-28 Tokin Corp Non-contact type ic card and its manufacture
KR20030019481A (en) * 2003-01-07 2003-03-06 주식회사 제이디씨텍 Combi-type Intergrated Circuit Card and Producting Method Therefor
KR20050122133A (en) * 2004-06-23 2005-12-28 김용필 Module for selecting rf antenna for smart chip

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