CA2536386A1 - Security tag with three dimensional antenna array made from flat stock and fabrication method thereof - Google Patents

Security tag with three dimensional antenna array made from flat stock and fabrication method thereof Download PDF

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Publication number
CA2536386A1
CA2536386A1 CA002536386A CA2536386A CA2536386A1 CA 2536386 A1 CA2536386 A1 CA 2536386A1 CA 002536386 A CA002536386 A CA 002536386A CA 2536386 A CA2536386 A CA 2536386A CA 2536386 A1 CA2536386 A1 CA 2536386A1
Authority
CA
Canada
Prior art keywords
antenna
frequencies
web material
dipole
antenna configuration
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.)
Granted
Application number
CA002536386A
Other languages
French (fr)
Other versions
CA2536386C (en
Inventor
Gary T. Mazoki
Anthony F. Piccoli
Thomas J. Clare
Eric Eckstein
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Checkpoint Systems Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2536386A1 publication Critical patent/CA2536386A1/en
Application granted granted Critical
Publication of CA2536386C publication Critical patent/CA2536386C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H01Q1/2225—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 active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06K19/07786—Antenna details the antenna being of the HF type, such as a dipole
    • 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
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H01Q21/26—Turnstile or like antennas comprising arrangements of three or more elongated elements disposed radially and symmetrically in a horizontal plane about a common centre
    • 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
    • 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
    • H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
    • H01Q9/285—Planar dipole

Abstract

A three-dimensional dipole antenna system or an RFID tag that optimizes detection for a given available volume in which to situate the RFID tag

Claims (24)

1. An antenna configuration for use in a security tag that optimizes the receipt of a signal issued from an interrogator or reader, said antenna configuration comprising:
a first dipole and a second dipole arranged in a non-parallel nor collinear configuration to form a plane comprising said first and second dipoles; and a third dipole being positioned out of said plane.
2. The antenna configuration of Claim 1 wherein said first, second and third dipoles are tuned to RF frequencies.
3. The antenna configuration of Claim 2 wherein said RF frequencies are UHF
frequencies in the frequency band of approximately 850 MHz-950 MHz.
4. The antenna configuration of Claim 2 wherein said RF frequencies are microwave frequencies in the frequency band of approximately 2.3 Ghz-2.6GHz.
5. The antenna configuration of Claim 1 wherein said third dipole comprises a first antenna stub and a second antenna stub and wherein said plane comprises a first side and a second side and wherein said first and second side are opposite each other, said first antenna stub being positioned out of said plane on said first side and said second antenna stub being positioned out of said plane on said second side.
6. The antenna configuration of Claim 5 wherein said first antenna stub and said second antenna stub are positioned orthogonally to said first and second sides, respectively.
7. The antenna configuration of Claim 6 wherein said first, second and third dipoles are tuned to RF frequencies.
8. The antenna configuration of Claim 7 wherein said RF frequencies are UHF
frequencies in the frequency band of approximately 850 MHz-950 MHz.
9. The antenna configuration of Claim 7 wherein said RF frequencies are microwave frequencies in the frequency band of approximately 2.3 Ghz-2.6GHz.
10. The antenna configuration Claim 1 wherein said first, second and third dipoles are formed as part of a web material and wherein said plane comprises said web material, said first and second dipoles being part of said web material and wherein said third dipole projects away from said web material.
11. The antenna configuration of Claim 10 wherein said third dipole comprises a first antenna stub and a second antenna stub and wherein said web material comprises a first side and a second side and wherein said first and second side are opposite each other, said first antenna stub being positioned out of said web material on said first side and said second antenna stub being positioned out of said web material on said second side.
12. The antenna configuration of Claim 11 wherein said first antenna stub and said second antenna stub are positioned orthogonally to said first and second sides, respectively.
13. The antenna configuration of Claim 11 wherein said first, second and third dipoles are tuned to RF frequencies.
14. The antenna configuration of Claim 13 wherein said RF frequencies are UHF
frequencies in the frequency band of approximately 850 MHz-950 MHz.
15. The antenna configuration of Claim 13 wherein said RF frequencies are microwave frequencies in the frequency band of approximately 2.3 Ghz-2.6GHz.
16. The antenna configuration of Claim 12 wherein said first, second and third dipoles are tuned to RF frequencies.
17. The antenna configuration of Claim 16 wherein said RF frequencies are UHF
frequencies in the frequency band of approximately 850 MHz-950 MHz.
18. The antenna configuration of Claim 16 wherein said RF frequencies are microwave frequencies in the frequency band of approximately 2.3 Ghz-2.6GHz.
19. A method of fabricating a three-dimensional antenna for a security tag for optimizing the receipt of a signal issued from an interrogator or reader, said method comprising the steps of:
(a) providing a web material;
(b) forming a first dipole and a second dipole on said web material, said first dipole and said second dipole formed to be non-parallel nor collinear with respect to each other;
(c) forming a third dipole on said web material;
(d) cutting said web material to free a portion of said third dipole from said web material; and (e) displacing said free portion out of said web material.
20. The method of Claim 19 wherein said step of forming said third dipole on said web material comprises creating a first antenna stub and a second antenna stub and wherein said step of cutting said material comprises cutting said web material to free a first portion of said first antenna stub and to free a second portion of said second antenna stub.
21. The method of Claim 20 wherein said web material has a first side and a second side, said first and second sides being opposite each other, and wherein step of displacing said free portion out of said web material comprises displacing said first and second portions away from said first side or away from said second side.
22. The method of Claim 20 wherein said web material has a first side and a second side, said first and second sides being opposite each other, and wherein step of displacing said free portion out of said web material comprises displacing said first portion away from said first side and said second portion away from said second side.
23. The method of Claim 21 wherein said step of displacing said first and second portions away from said first side or away from said second side comprises displacing said first and second portions orthogonally away from said first side or from said second side.
24. The method of Claim 22 wherein said step of displacing said first portion away from said first side and said second portion away from said second side comprises displacing said first and second portions orthogonally away from said first and second sides respectively.
CA2536386A 2003-08-22 2004-08-11 Security tag with three dimensional antenna array made from flat stock and fabrication method thereof Expired - Fee Related CA2536386C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US49709903P 2003-08-22 2003-08-22
US60/497,099 2003-08-22
US10/914,432 2004-08-09
US10/914,432 US7042413B2 (en) 2003-08-22 2004-08-09 Security tag with three dimensional antenna array made from flat stock
PCT/US2004/026053 WO2005022690A1 (en) 2003-08-22 2004-08-11 Security tag with three dimensional antenna array made from flat stock and fabrication method thereof

Publications (2)

Publication Number Publication Date
CA2536386A1 true CA2536386A1 (en) 2005-03-10
CA2536386C CA2536386C (en) 2010-10-19

Family

ID=34198233

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2536386A Expired - Fee Related CA2536386C (en) 2003-08-22 2004-08-11 Security tag with three dimensional antenna array made from flat stock and fabrication method thereof

Country Status (12)

Country Link
US (1) US7042413B2 (en)
EP (1) EP1656714B1 (en)
JP (1) JP4173904B2 (en)
KR (1) KR20060103425A (en)
CN (1) CN1839516B (en)
AT (1) ATE415000T1 (en)
AU (1) AU2004302771B2 (en)
CA (1) CA2536386C (en)
DE (1) DE602004017877D1 (en)
ES (1) ES2317048T3 (en)
TW (1) TWI244236B (en)
WO (1) WO2005022690A1 (en)

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TW200511645A (en) 2005-03-16
JP4173904B2 (en) 2008-10-29
WO2005022690A8 (en) 2006-06-22
AU2004302771A1 (en) 2005-03-10
CA2536386C (en) 2010-10-19
EP1656714B1 (en) 2008-11-19
WO2005022690A1 (en) 2005-03-10
CN1839516A (en) 2006-09-27
US20050040994A1 (en) 2005-02-24
EP1656714A1 (en) 2006-05-17
TWI244236B (en) 2005-11-21
CN1839516B (en) 2012-07-04
JP2007534196A (en) 2007-11-22
ES2317048T3 (en) 2009-04-16
AU2004302771B2 (en) 2008-08-07
KR20060103425A (en) 2006-09-29
US7042413B2 (en) 2006-05-09
DE602004017877D1 (en) 2009-01-02
ATE415000T1 (en) 2008-12-15

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