IL142387A - An antenna with a double loop - Google Patents
An antenna with a double loopInfo
- Publication number
- IL142387A IL142387A IL14238798A IL14238798A IL142387A IL 142387 A IL142387 A IL 142387A IL 14238798 A IL14238798 A IL 14238798A IL 14238798 A IL14238798 A IL 14238798A IL 142387 A IL142387 A IL 142387A
- Authority
- IL
- Israel
- Prior art keywords
- antenna
- loop elements
- loop
- transmit
- receive
- Prior art date
Links
- 239000004020 conductor Substances 0.000 claims abstract description 29
- 230000008878 coupling Effects 0.000 claims description 21
- 238000010168 coupling process Methods 0.000 claims description 21
- 238000005859 coupling reaction Methods 0.000 claims description 21
- 230000005672 electromagnetic field Effects 0.000 claims description 11
- 230000005236 sound signal Effects 0.000 claims description 2
- 230000006854 communication Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000008280 blood Substances 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000001808 coupling effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- UTMWFJSRHLYRPY-UHFFFAOYSA-N 3,3',5,5'-tetrachlorobiphenyl Chemical compound ClC1=CC(Cl)=CC(C=2C=C(Cl)C=C(Cl)C=2)=C1 UTMWFJSRHLYRPY-UHFFFAOYSA-N 0.000 description 1
- 241000269400 Sirenidae Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007175 bidirectional communication Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Automation & Control Theory (AREA)
- Computer Security & Cryptography (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Near-Field Transmission Systems (AREA)
- Aerials With Secondary Devices (AREA)
- Support Of Aerials (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US1998/024182 WO2000030214A1 (en) | 1997-05-28 | 1998-11-12 | Multiple loop antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IL142387A0 IL142387A0 (en) | 2002-03-10 |
| IL142387A true IL142387A (en) | 2004-06-20 |
Family
ID=22268290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL14238798A IL142387A (en) | 1998-11-12 | 1998-11-12 | An antenna with a double loop |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP1138098A4 (zh) |
| JP (1) | JP2002530910A (zh) |
| KR (1) | KR100605341B1 (zh) |
| CN (1) | CN1123089C (zh) |
| CA (1) | CA2350217C (zh) |
| IL (1) | IL142387A (zh) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2302699C2 (ru) * | 2003-02-27 | 2007-07-10 | Сони Корпорейшн | Система связи |
| JP4772744B2 (ja) * | 2007-05-17 | 2011-09-14 | 昭和飛行機工業株式会社 | 非接触給電装置用の信号伝送コイル通信装置 |
| KR101563428B1 (ko) | 2014-05-27 | 2015-10-26 | 재단법인대구경북과학기술원 | 근거리 자기장 시스템 |
| CN207517887U (zh) * | 2015-02-24 | 2018-06-19 | 株式会社村田制作所 | 天线装置以及rfid系统 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3577136A (en) * | 1967-08-04 | 1971-05-04 | Security Systems Inc | Short-range signaling system |
| US4135184A (en) * | 1977-08-31 | 1979-01-16 | Knogo Corporation | Electronic theft detection system for monitoring wide passageways |
-
1998
- 1998-11-12 KR KR1020017004544A patent/KR100605341B1/ko not_active IP Right Cessation
- 1998-11-12 IL IL14238798A patent/IL142387A/en not_active IP Right Cessation
- 1998-11-12 EP EP98960188A patent/EP1138098A4/en not_active Withdrawn
- 1998-11-12 CN CN98814304A patent/CN1123089C/zh not_active Expired - Fee Related
- 1998-11-12 JP JP2000583121A patent/JP2002530910A/ja active Pending
- 1998-11-12 CA CA002350217A patent/CA2350217C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2002530910A (ja) | 2002-09-17 |
| KR20010106513A (ko) | 2001-11-29 |
| EP1138098A4 (en) | 2005-01-26 |
| EP1138098A1 (en) | 2001-10-04 |
| CN1123089C (zh) | 2003-10-01 |
| CA2350217A1 (en) | 2000-05-25 |
| CN1322391A (zh) | 2001-11-14 |
| CA2350217C (en) | 2006-04-04 |
| KR100605341B1 (ko) | 2006-07-28 |
| IL142387A0 (en) | 2002-03-10 |
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| Publication | Publication Date | Title |
|---|---|---|
| US5877728A (en) | Multiple loop antenna | |
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| US5602556A (en) | Transmit and receive loop antenna | |
| US5373301A (en) | Transmit and receive antenna having angled crossover elements | |
| EP0615217B1 (en) | Electronic article surveillance system with enhanced geometric arrangement | |
| CA2350217C (en) | Multiple loop antenna | |
| MXPA97000953A (en) | Transmitter and recept tie antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FF | Patent granted | ||
| MM9K | Patent not in force due to non-payment of renewal fees |