FI20012285A0 - Etätunnistimen (RFID) optimoitu ympärisäteilevä modifioitu silmukka-antenni - Google Patents

Etätunnistimen (RFID) optimoitu ympärisäteilevä modifioitu silmukka-antenni

Info

Publication number
FI20012285A0
FI20012285A0 FI20012285A FI20012285A FI20012285A0 FI 20012285 A0 FI20012285 A0 FI 20012285A0 FI 20012285 A FI20012285 A FI 20012285A FI 20012285 A FI20012285 A FI 20012285A FI 20012285 A0 FI20012285 A0 FI 20012285A0
Authority
FI
Finland
Prior art keywords
rfid
loop antenna
remote detector
modified loop
omnidirectional
Prior art date
Application number
FI20012285A
Other languages
English (en)
Swedish (sv)
Inventor
Timo Varpula
Olli Jaakkola
Kaarle Jaakkola
Original Assignee
Valtion Teknillinen
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 Valtion Teknillinen filed Critical Valtion Teknillinen
Priority to FI20012285A priority Critical patent/FI20012285A0/fi
Publication of FI20012285A0 publication Critical patent/FI20012285A0/fi
Priority to AU2002366123A priority patent/AU2002366123A1/en
Priority to PCT/FI2002/000934 priority patent/WO2003044892A1/en

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
    • 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
    • H01Q9/20—Two collinear substantially straight active elements; Substantially straight single active elements
    • H01Q9/24—Shunt feed arrangements to single active elements, e.g. for delta matching
    • 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
    • H01Q9/26—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength
    • H01Q9/265—Open ring dipoles; Circular dipoles
FI20012285A 2001-11-22 2001-11-22 Etätunnistimen (RFID) optimoitu ympärisäteilevä modifioitu silmukka-antenni FI20012285A0 (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI20012285A FI20012285A0 (fi) 2001-11-22 2001-11-22 Etätunnistimen (RFID) optimoitu ympärisäteilevä modifioitu silmukka-antenni
AU2002366123A AU2002366123A1 (en) 2001-11-22 2002-11-20 Modified loop antenna with omnidirectional radiation pattern and optimized properties for use in an rfid device
PCT/FI2002/000934 WO2003044892A1 (en) 2001-11-22 2002-11-20 Modified loop antenna with omnidirectional radiation pattern and optimized properties for use in an rfid device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20012285A FI20012285A0 (fi) 2001-11-22 2001-11-22 Etätunnistimen (RFID) optimoitu ympärisäteilevä modifioitu silmukka-antenni

Publications (1)

Publication Number Publication Date
FI20012285A0 true FI20012285A0 (fi) 2001-11-22

Family

ID=8562322

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20012285A FI20012285A0 (fi) 2001-11-22 2001-11-22 Etätunnistimen (RFID) optimoitu ympärisäteilevä modifioitu silmukka-antenni

Country Status (3)

Country Link
AU (1) AU2002366123A1 (fi)
FI (1) FI20012285A0 (fi)
WO (1) WO2003044892A1 (fi)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002237711A (ja) * 2000-12-08 2002-08-23 Matsushita Electric Ind Co Ltd アンテナ装置、および通信システム
SE0400424L (sv) * 2004-02-24 2004-11-30 Tagmaster Ab Transponder för ett RFID-system där ett mönsterkort bärs upp av antennen
US7151455B2 (en) 2004-04-30 2006-12-19 Kimberly-Clark Worldwide, Inc. Activating a data tag by load or orientation or user control
US7948381B2 (en) 2004-04-30 2011-05-24 Binforma Group Limited Liability Company Reversibly deactivating a radio frequency identification data tag
US7098794B2 (en) 2004-04-30 2006-08-29 Kimberly-Clark Worldwide, Inc. Deactivating a data tag for user privacy or tamper-evident packaging
US7202790B2 (en) * 2004-08-13 2007-04-10 Sensormatic Electronics Corporation Techniques for tuning an antenna to different operating frequencies
EP1628360B1 (en) 2004-08-21 2007-10-10 Samsung Electronics Co., Ltd Small rectenna
US8045947B2 (en) * 2004-09-17 2011-10-25 Massachusetts Institute Of Technology RF power extracting circuit and related techniques
TWI254490B (en) * 2004-12-14 2006-05-01 Fujitsu Ltd Antenna and noncontact-type tag
EP1895620B1 (en) * 2005-06-16 2011-10-12 Fujitsu Limited Rfid tag antenna and rfid tag
TW200715645A (en) 2005-08-02 2007-04-16 Koninkl Philips Electronics Nv Antenna structure, transponder and method of manufacturing an antenna structure
EP1949495B1 (en) 2005-11-10 2016-10-05 Nxp B.V. Broadband antenna for a transponder of a radio frequency identification system
DE102006009043B4 (de) 2006-02-27 2008-10-30 Siemens Ag Hochfrequenzantennenanordnung zum Erfassen eines Magnetresonanzsignals und Magnetresonanzanlage mit einer solchen Hochfrequenzantennenanordnung
JP2007295395A (ja) 2006-04-26 2007-11-08 Fujitsu Ltd タグ用アンテナ及びそれを用いたタグ
DE102007037614B4 (de) * 2007-08-09 2014-03-13 Continental Automotive Gmbh Mehrteilige Antenne mit zirkularer Polarisation
AU2013248243B2 (en) * 2007-08-22 2016-04-14 Sensormatic Electronics Llc RFID antenna for use adjacent to conductive elements
US8866616B2 (en) 2007-08-22 2014-10-21 Tyco Fire & Security Gmbh RFID tag having antenna with co-planar radiation pattern
US8289163B2 (en) 2007-09-27 2012-10-16 3M Innovative Properties Company Signal line structure for a radio-frequency identification system
US8717244B2 (en) 2007-10-11 2014-05-06 3M Innovative Properties Company RFID tag with a modified dipole antenna
DE102007061305B4 (de) 2007-12-19 2012-04-26 Continental Automotive Gmbh Mehrteilige Antenne mit zirkularer Polarisation und Funkstation
WO2010119854A1 (ja) * 2009-04-14 2010-10-21 株式会社村田製作所 無線ｉｃデバイス用部品及び無線ｉｃデバイス
CA2807138C (en) 2010-07-01 2018-07-24 Sensormatic Electronics, LLC Wide bandwidth hybrid antenna for combination eas and rfid label or tag
US10062025B2 (en) 2012-03-09 2018-08-28 Neology, Inc. Switchable RFID tag
US20130293333A1 (en) * 2012-05-01 2013-11-07 Jeevan Kumar Vemagiri Discontinuous loop antennas suitable for radio-frequency identification (rfid) tags, and related components, systems, and methods
JP2015092802A (ja) * 2013-11-08 2015-05-14 三菱電機株式会社 レクテナ装置
TWI584525B (zh) * 2014-05-14 2017-05-21 Universal Scientific Industrial (Shanghai) Co Ltd 近場通訊天線
GB2537345A (en) 2014-10-03 2016-10-19 Cambridge Consultants Inc Antenna for implant and associated apparatus and methods
GB2562043B (en) * 2017-04-28 2020-04-29 Drayson Tech Europe Ltd Loop RF Power Harvester
CN110768000B (zh) * 2019-09-27 2020-12-01 宁波大学 一种无线测量介电常数的超高频rfid标签天线

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3474452A (en) * 1967-02-16 1969-10-21 Electronics Research Inc Omnidirectional circularly polarized antenna
DE2312536A1 (de) * 1973-03-14 1974-10-10 Jun Hans Koell Ganz-wellen-dipol fuer ukw und deziwellen
DE3247425A1 (de) * 1982-12-22 1987-01-02 Licentia Gmbh Gedruckte dipol-antenne in streifenleitungstechnik
JP3095473B2 (ja) * 1991-09-25 2000-10-03 株式会社トキメック 被検出装置及び移動体識別システム
JP3282082B2 (ja) * 1992-03-26 2002-05-13 アイシン精機株式会社 円偏波用線状アンテナ
DE4438136C2 (de) * 1994-10-27 1997-01-16 Sibet Gmbh Sican Forschungs Un Hybrid- und Breitbandhybridantenne
US6147606A (en) * 1998-03-26 2000-11-14 Intermec Ip Corp. Apparatus and method for radio frequency transponder with improved read distance
DE10010936B4 (de) * 2000-03-06 2006-11-02 Horst Prof. Dr. Ziegler Antenne

Also Published As

Publication number Publication date
AU2002366123A1 (en) 2003-06-10
WO2003044892A1 (en) 2003-05-30

Similar Documents

Publication Publication Date Title
FI20012285A0 (fi) Etätunnistimen (RFID) optimoitu ympärisäteilevä modifioitu silmukka-antenni
DE60218000D1 (de) Resonanzantenne
DE60221697D1 (de) Zusammengesetzte antenne
DE60133362D1 (de) Antenne
DE60120069D1 (de) Miniaturisierte Antenne
DE60230515D1 (de) Armbanduhr mit antenne
NO20052566D0 (no) Retningsvirkende antenne
DE60200301D1 (de) Antenne
DE60236909D1 (de) Adaptive Antennenempfangsanordnung
NO20035750L (no) Antenne
DE60213902D1 (de) M-förmige Antenne
FR2837985B1 (fr) Antenne receptrice morcelee
DE50203085D1 (de) Diversity-antennenanordnung
DE60141691D1 (de) Antenne
FR2829302B1 (fr) Antenne a lentille
FR2853457B1 (fr) Dispositif d'antenne utilisant des fils radiaux, resonnants, sureleves
GB0201313D0 (en) Multi-band small loop antenna
FR2825836B1 (fr) Antenne resonante omnidirectionnelle
GB2398688B (en) Tag tracking
FR2839813B1 (fr) Dispositif d'antenne multifaisceau.
DE60043312D1 (de) Mehrelemente-Schleifenantenne
DE60316531D1 (de) Ringschlitzantenne
DE50207655D1 (de) Antennenkoppler
FR2828014B1 (fr) Antenne
SE0102902D0 (sv) Smart antennas