KR20050086792A - 무선 주파수 식별용 다중 루프 안테나 - Google Patents

무선 주파수 식별용 다중 루프 안테나 Download PDF

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Publication number
KR20050086792A
KR20050086792A KR1020057009387A KR20057009387A KR20050086792A KR 20050086792 A KR20050086792 A KR 20050086792A KR 1020057009387 A KR1020057009387 A KR 1020057009387A KR 20057009387 A KR20057009387 A KR 20057009387A KR 20050086792 A KR20050086792 A KR 20050086792A
Authority
KR
South Korea
Prior art keywords
antenna
loops
loop
frequency identification
electromagnetic field
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
KR1020057009387A
Other languages
English (en)
Korean (ko)
Inventor
미첼 에이. 왈드너
Original Assignee
쓰리엠 이노베이티브 프로퍼티즈 컴파니
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 쓰리엠 이노베이티브 프로퍼티즈 컴파니 filed Critical 쓰리엠 이노베이티브 프로퍼티즈 컴파니
Publication of KR20050086792A publication Critical patent/KR20050086792A/ko
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/04—Screened antennas
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
    • G06K7/10336—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the near field type, inductive coil
    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
    • G08B13/2465—Aspects related to the EAS system, e.g. system components other than tags
    • G08B13/2468—Antenna in system and the related signal processing
    • G08B13/2474—Antenna or antenna activator geometry, arrangement or layout
    • 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
    • H01Q1/2216—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 used in interrogator/reader equipment
    • 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
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Electromagnetism (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • General Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Automation & Control Theory (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Near-Field Transmission Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Burglar Alarm Systems (AREA)
  • Alarm Systems (AREA)
  • Details Of Aerials (AREA)
KR1020057009387A 2002-11-25 2003-10-07 무선 주파수 식별용 다중 루프 안테나 Ceased KR20050086792A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US42928202P 2002-11-25 2002-11-25
US60/429,282 2002-11-25
US10/378,458 2003-03-03
US10/378,458 US6861993B2 (en) 2002-11-25 2003-03-03 Multi-loop antenna for radio-frequency identification

Publications (1)

Publication Number Publication Date
KR20050086792A true KR20050086792A (ko) 2005-08-30

Family

ID=32328888

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020057009387A Ceased KR20050086792A (ko) 2002-11-25 2003-10-07 무선 주파수 식별용 다중 루프 안테나

Country Status (11)

Country Link
US (1) US6861993B2 (https=)
EP (1) EP1579400A2 (https=)
JP (1) JP4299304B2 (https=)
KR (1) KR20050086792A (https=)
AR (1) AR042113A1 (https=)
AU (2) AU2003279833A1 (https=)
BR (1) BR0316610A (https=)
CA (1) CA2507046A1 (https=)
MX (1) MXPA05005605A (https=)
TW (1) TWI322531B (https=)
WO (1) WO2004049278A2 (https=)

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KR101704288B1 (ko) * 2015-11-18 2017-02-08 재단법인대구경북과학기술원 Espar를 이용한 자기장 장치 및 espar를 이용한 자기장 장치의 운용 방법

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Also Published As

Publication number Publication date
BR0316610A (pt) 2005-10-11
TWI322531B (en) 2010-03-21
AU2009251151A1 (en) 2010-01-21
AR042113A1 (es) 2005-06-08
WO2004049278A3 (en) 2004-08-26
CA2507046A1 (en) 2004-06-10
AU2003279833A1 (en) 2004-06-18
US20040100413A1 (en) 2004-05-27
MXPA05005605A (es) 2005-08-16
JP4299304B2 (ja) 2009-07-22
EP1579400A2 (en) 2005-09-28
TW200414610A (en) 2004-08-01
US6861993B2 (en) 2005-03-01
WO2004049278A2 (en) 2004-06-10
JP2006511181A (ja) 2006-03-30

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