ATE124175T1 - Antennenstruktur zur erzeugung eines gleichförmigen feldes. - Google Patents
Antennenstruktur zur erzeugung eines gleichförmigen feldes.Info
- Publication number
- ATE124175T1 ATE124175T1 AT89900176T AT89900176T ATE124175T1 AT E124175 T1 ATE124175 T1 AT E124175T1 AT 89900176 T AT89900176 T AT 89900176T AT 89900176 T AT89900176 T AT 89900176T AT E124175 T1 ATE124175 T1 AT E124175T1
- Authority
- AT
- Austria
- Prior art keywords
- generating
- antenna structure
- uniform field
- reactance
- discloses
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06K7/10346—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 far field type, e.g. HF types or dipoles
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
-
- 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
- H01Q7/005—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 with variable reactance for tuning the antenna
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H5/00—One-port networks comprising only passive electrical elements as network components
- H03H5/02—One-port networks comprising only passive electrical elements as network components without voltage- or current-dependent elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J3/00—Continuous tuning
- H03J3/24—Continuous tuning of more than one resonant circuit simultaneously, the circuits being tuned to substantially the same frequency, e.g. for single-knob tuning
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- General Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Networks Using Active Elements (AREA)
- Near-Field Transmission Systems (AREA)
- Details Of Aerials (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Support Of Aerials (AREA)
- Waveguide Aerials (AREA)
- Filters And Equalizers (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Control Of Electrical Variables (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPI585587 | 1987-12-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE124175T1 true ATE124175T1 (de) | 1995-07-15 |
Family
ID=3772638
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT94200836T ATE178438T1 (de) | 1987-12-10 | 1988-12-12 | Einstellbare reaktanzvorrichtung und verfahren |
| AT89900176T ATE124175T1 (de) | 1987-12-10 | 1988-12-12 | Antennenstruktur zur erzeugung eines gleichförmigen feldes. |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT94200836T ATE178438T1 (de) | 1987-12-10 | 1988-12-12 | Einstellbare reaktanzvorrichtung und verfahren |
Country Status (9)
| Country | Link |
|---|---|
| EP (2) | EP0608966B1 (de) |
| JP (1) | JPH03502269A (de) |
| AT (2) | ATE178438T1 (de) |
| CA (1) | CA1336341C (de) |
| DE (2) | DE3854051T2 (de) |
| HK (1) | HK1001909A1 (de) |
| SG (1) | SG49628A1 (de) |
| WO (1) | WO1989005530A1 (de) |
| ZA (1) | ZA889254B (de) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2733095B1 (fr) * | 1995-04-11 | 1997-05-09 | Alcatel Converters | Dispositif a inductance variable et utilisation de ce dispositif pour la realisation d'une source de courant pour cellule de commutation a tension nulle |
| KR0156300B1 (ko) * | 1995-04-11 | 1998-11-16 | 손일호 | 전방향성 루프안테나 |
| JPH08336338A (ja) * | 1995-06-13 | 1996-12-24 | Chikusanyo Denshi Gijutsu Kenkyu Kumiai | 家畜等の個体識別装置 |
| JP3528367B2 (ja) * | 1995-09-30 | 2004-05-17 | ソニーケミカル株式会社 | リーダ・ライタ用アンテナ |
| AUPP254698A0 (en) * | 1998-03-23 | 1998-04-23 | Magellan Technology Pty Limited | An interrogator for interrogating an rfid transponder |
| DE19951561A1 (de) * | 1999-10-27 | 2001-05-03 | Meto International Gmbh | Sicherungselement für die elektronischen Artikelsicherung |
| DE10011500A1 (de) * | 2000-03-09 | 2001-09-13 | Abb Research Ltd | Wicklung und System zur Erzeugung eines magnetischen Feldes |
| DE10320188A1 (de) * | 2003-05-07 | 2004-12-02 | Abb Research Ltd. | Magnetfelderzeugungssystem |
| JP2006020207A (ja) * | 2004-07-05 | 2006-01-19 | Nec Infrontia Corp | アンテナ装置 |
| JP4553361B2 (ja) * | 2005-01-17 | 2010-09-29 | セントラルエンジニアリング株式会社 | アンテナ装置、アンテナ駆動方法およびｉｄタグ読取装置 |
| JP4634166B2 (ja) * | 2005-02-03 | 2011-02-16 | 株式会社東海理化電機製作所 | アンテナ装置及びそれを備えた携帯機 |
| US7545272B2 (en) | 2005-02-08 | 2009-06-09 | Therasense, Inc. | RF tag on test strips, test strip vials and boxes |
| AU2006292015B2 (en) * | 2005-09-12 | 2011-02-17 | Sato Holdings Corporation | A method and apparatus adapted to transmit data |
| US8154465B2 (en) | 2005-09-20 | 2012-04-10 | Allflex Australia Pty. Limited | Portal antenna |
| DE102006029717A1 (de) | 2006-06-28 | 2008-01-03 | Siemens Audiologische Technik Gmbh | Hörvorrichtung mit orthogonal zueinander angeordneten Spulen |
| DE102008008899A1 (de) * | 2008-02-13 | 2009-08-27 | Siemens Medical Instruments Pte. Ltd. | Ladegerät mit homogenem Magnetfeld |
| KR101604600B1 (ko) * | 2008-04-03 | 2016-03-18 | 코닌클리케 필립스 엔.브이. | 무선 파워 송신 시스템 |
| DE102008036093A1 (de) * | 2008-08-04 | 2010-02-11 | Ralf Bux | Vorrichtung zum automatischen Erkennen und/oder Lesen bzw. Speichern von Daten |
| JP5569011B2 (ja) * | 2010-01-29 | 2014-08-13 | 大日本印刷株式会社 | アンテナ部品 |
| US9070969B2 (en) | 2010-07-06 | 2015-06-30 | Apple Inc. | Tunable antenna systems |
| US9246221B2 (en) * | 2011-03-07 | 2016-01-26 | Apple Inc. | Tunable loop antennas |
| US9166279B2 (en) | 2011-03-07 | 2015-10-20 | Apple Inc. | Tunable antenna system with receiver diversity |
| US9350069B2 (en) | 2012-01-04 | 2016-05-24 | Apple Inc. | Antenna with switchable inductor low-band tuning |
| US9190712B2 (en) | 2012-02-03 | 2015-11-17 | Apple Inc. | Tunable antenna system |
| ITMI20121049A1 (it) * | 2012-06-18 | 2013-12-19 | Ab Medica Spa | Gabbia per cavie da laboratorio e metodo per l¿alimentazione senza fili di un dispositivo bioelettronico impiantato in una cavia |
| JP6152716B2 (ja) * | 2012-08-27 | 2017-06-28 | Tdk株式会社 | アンテナ装置 |
| WO2015163296A1 (ja) * | 2014-04-24 | 2015-10-29 | 株式会社村田製作所 | 受電アンテナ |
| US20220157512A1 (en) * | 2020-11-13 | 2022-05-19 | Cyntec Co., Ltd. | Structure for forming a 3d-coil transponder |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB449240A (en) * | 1933-10-23 | 1936-06-15 | Leon Ladislas De Kramolin | Method of regulating radio sets and the like |
| US3631534A (en) * | 1969-09-05 | 1971-12-28 | Matsushita Electric Ind Co Ltd | Variable inductance device |
| FR2076468A5 (de) * | 1970-01-14 | 1971-10-15 | Ancet Victor | |
| US3689885A (en) * | 1970-09-15 | 1972-09-05 | Transitag Corp | Inductively coupled passive responder and interrogator unit having multidimension electromagnetic field capabilities |
| US3832530A (en) * | 1972-01-04 | 1974-08-27 | Westinghouse Electric Corp | Object identifying apparatus |
| US3990065A (en) * | 1975-02-20 | 1976-11-02 | The Magnavox Company | Theft detection system |
| US4210860A (en) * | 1978-09-15 | 1980-07-01 | Westinghouse Electric Corp. | VAR Generator with current sensitive inductance break point |
| US4307331A (en) * | 1978-09-15 | 1981-12-22 | Westinghouse Electric Corp. | Hybrid switched-capacitor controlled-inductor static VAR generator and control apparatus |
| US4539558A (en) * | 1981-11-24 | 1985-09-03 | Shin International, Inc. | Antitheft system |
| GB2121248B (en) * | 1982-05-18 | 1986-03-05 | Gen Electric | Capacitive voltage dropper |
| US4623877A (en) * | 1983-06-30 | 1986-11-18 | Knogo Corporation | Method and apparatus for detection of targets in an interrogation zone |
| US4634975A (en) * | 1984-09-17 | 1987-01-06 | Progressive Dynamics, Inc. | Method and apparatus for producing electromagnetic surveillance fields |
| SE451166C (sv) * | 1986-01-21 | 1990-11-01 | Intermodulation & Safety Syst | Mottagaranordning foer att detektera naervaro av en indikeringsanordning i en begraensad undersoekningszon |
-
1988
- 1988-12-09 ZA ZA889254A patent/ZA889254B/xx unknown
- 1988-12-12 SG SG1996001721A patent/SG49628A1/en unknown
- 1988-12-12 JP JP1500278A patent/JPH03502269A/ja active Pending
- 1988-12-12 DE DE3854051T patent/DE3854051T2/de not_active Expired - Lifetime
- 1988-12-12 WO PCT/AU1988/000476 patent/WO1989005530A1/en active IP Right Grant
- 1988-12-12 AT AT94200836T patent/ATE178438T1/de not_active IP Right Cessation
- 1988-12-12 EP EP94200836A patent/EP0608966B1/de not_active Expired - Lifetime
- 1988-12-12 DE DE3856320T patent/DE3856320T2/de not_active Expired - Lifetime
- 1988-12-12 CA CA000585702A patent/CA1336341C/en not_active Expired - Fee Related
- 1988-12-12 AT AT89900176T patent/ATE124175T1/de active
- 1988-12-12 EP EP89900176A patent/EP0393103B1/de not_active Expired - Lifetime
-
1998
- 1998-02-05 HK HK98100887A patent/HK1001909A1/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3854051T2 (de) | 1995-11-02 |
| AU635198B2 (en) | 1993-03-18 |
| CA1336341C (en) | 1995-07-18 |
| DE3854051D1 (de) | 1995-07-27 |
| JPH03502269A (ja) | 1991-05-23 |
| SG49628A1 (en) | 1998-06-15 |
| WO1989005530A1 (en) | 1989-06-15 |
| DE3856320T2 (de) | 1999-12-02 |
| EP0608966B1 (de) | 1999-03-31 |
| EP0393103A1 (de) | 1990-10-24 |
| ZA889254B (en) | 1990-08-29 |
| EP0608966A3 (de) | 1994-08-31 |
| EP0393103A4 (en) | 1992-01-15 |
| AU2801389A (en) | 1989-07-05 |
| DE3856320D1 (de) | 1999-05-06 |
| EP0393103B1 (de) | 1995-06-21 |
| HK1001909A1 (en) | 1998-07-17 |
| EP0608966A2 (de) | 1994-08-03 |
| ATE178438T1 (de) | 1999-04-15 |
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