SE453696B - Apparat for detektering av nervaron i ett overvakningsomrade av en for en elektrisk energi kenslig merkanordning - Google Patents
Apparat for detektering av nervaron i ett overvakningsomrade av en for en elektrisk energi kenslig merkanordningInfo
- Publication number
- SE453696B SE453696B SE8205125A SE8205125A SE453696B SE 453696 B SE453696 B SE 453696B SE 8205125 A SE8205125 A SE 8205125A SE 8205125 A SE8205125 A SE 8205125A SE 453696 B SE453696 B SE 453696B
- Authority
- SE
- Sweden
- Prior art keywords
- receiver
- field
- coil
- axis
- elements
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Electromagnetism (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Burglar Alarm Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30103881A | 1981-09-10 | 1981-09-10 | |
US06/337,990 US4394645A (en) | 1981-09-10 | 1982-01-08 | Electrical surveillance apparatus with moveable antenna elements |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8205125D0 SE8205125D0 (sv) | 1982-09-09 |
SE8205125L SE8205125L (sv) | 1983-03-11 |
SE453696B true SE453696B (sv) | 1988-02-22 |
Family
ID=26972119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8205125A SE453696B (sv) | 1981-09-10 | 1982-09-09 | Apparat for detektering av nervaron i ett overvakningsomrade av en for en elektrisk energi kenslig merkanordning |
Country Status (10)
Country | Link |
---|---|
US (1) | US4394645A (it) |
BR (1) | BR8205284A (it) |
CA (1) | CA1183922A (it) |
DE (1) | DE3233028A1 (it) |
ES (1) | ES515629A0 (it) |
FR (1) | FR2512558B1 (it) |
GB (1) | GB2106757B (it) |
IT (1) | IT1192508B (it) |
NL (1) | NL8203513A (it) |
SE (1) | SE453696B (it) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4555696A (en) * | 1983-06-08 | 1985-11-26 | Brown Donald G | Passageway selective detector mechanism and system |
US4509039A (en) * | 1983-07-05 | 1985-04-02 | Minnesota Mining And Manufacturing Company | Shielded, closely spaced transmit-receiver antennas for electronic article surveillance system |
JPS60173580A (ja) * | 1984-02-20 | 1985-09-06 | 株式会社アスキ− | 表示制御装置 |
US4647917A (en) * | 1984-03-26 | 1987-03-03 | Allied Corporation | Article control system having coded magnetomechanical marker |
US4583083A (en) * | 1984-06-28 | 1986-04-15 | Bogasky John J | Checkout station to reduce retail theft |
US4676343A (en) * | 1984-07-09 | 1987-06-30 | Checkrobot Inc. | Self-service distribution system |
US4633250A (en) * | 1985-01-07 | 1986-12-30 | Allied Corporation | Coplanar antenna for proximate surveillance systems |
US4866387A (en) * | 1985-05-08 | 1989-09-12 | Mcw Research Foundation, Inc. | NMR detector network |
US4724389A (en) * | 1985-05-08 | 1988-02-09 | Medical College Of Wisconsin, Inc. | Loop-gap resonator for localized NMR imaging |
US4675658A (en) * | 1985-09-17 | 1987-06-23 | Allied Corporation | System including tuned AC magnetic field transmit antenna and untuned AC magnetic field receive antenna |
EP0222028B1 (de) * | 1985-11-02 | 1988-12-28 | Vallon GmbH | Metalldetektor zur Erkennung von metallischen Gegenständen |
US4736196A (en) * | 1986-11-18 | 1988-04-05 | Cost-Effective Monitoring Systems, Co. | Electronic monitoring system |
EP0347151A3 (en) * | 1988-06-14 | 1991-01-16 | Dowty Mining Electronic Systems Limited | Advertising panels |
US5256864A (en) * | 1991-09-24 | 1993-10-26 | Spectra-Physics | Scanning system for preferentially aligning a package in an optimal scanning plane for decoding a bar code label |
US5329103A (en) * | 1991-10-30 | 1994-07-12 | Spectra-Physics | Laser beam scanner with low cost ditherer mechanism |
US5214270A (en) * | 1991-11-22 | 1993-05-25 | Spectra-Physics | Modular handheld or fixed scanner |
US5221831A (en) * | 1991-11-29 | 1993-06-22 | Indala Corporation | Flap-type portal reader |
US5627516A (en) * | 1994-09-28 | 1997-05-06 | Sensormatic Electronics Corporation | Electronic article surveillance input configuration control system employing expert system techniques for dynamic optimization |
DE9416490U1 (de) * | 1994-10-13 | 1994-12-22 | Schubert, Peter Thomas, 65614 Beselich | Einrichtung zur Ermittlung von Gegenständen in einem Überwachungsbereich, insbesondere zur Verhinderung von Ladendiebstählen, deren felderzeugende und/oder feldempfangende Bauteile in eine zu öffnende und zu schließende Absperreinrichtung integriert ist |
JP3526928B2 (ja) * | 1994-11-15 | 2004-05-17 | 株式会社ルネサスLsiデザイン | 非接触icカードシステム |
CN1185865A (zh) * | 1995-05-30 | 1998-06-24 | 传感电子公司 | 用于改进询问场分布的eas系统天线结构 |
US5877728A (en) * | 1997-05-28 | 1999-03-02 | Checkpoint Systems, Inc. | Multiple loop antenna |
DE19942217A1 (de) * | 1999-09-03 | 2001-03-08 | Assion Electronic Gmbh | Antennenanordnung |
JP2002245418A (ja) * | 2001-02-20 | 2002-08-30 | Leading Information Technology Institute | 非接触電子タグ読取装置 |
GB2387970A (en) * | 2002-04-10 | 2003-10-29 | Collinson & Co Ltd E | Cross river detector apparatus |
CA2476511A1 (en) * | 2003-08-04 | 2005-02-04 | Frank Hader | Store security tag detector |
US7551080B2 (en) * | 2006-07-17 | 2009-06-23 | Sensormatic Electronics Corporation | Control for embedded and door-mounted antennas |
DE102009003988B4 (de) * | 2009-01-07 | 2018-02-01 | Wincor Nixdorf International Gmbh | Vorrichtung und Verfahren zur Warenerfassung an einem Selbstbedienungskassensystem |
CN105678938A (zh) * | 2014-09-05 | 2016-06-15 | 关卡系统股份有限公司 | 销售点通道门 |
EP3355406B1 (de) * | 2017-01-30 | 2019-05-22 | Markus Schriebl | Antennenvorrichtung für einen rfid-reader |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR763681A (fr) * | 1933-11-10 | 1934-05-04 | Procédé de repérage des objets par modification d'un champ magnétique | |
US3697972A (en) * | 1969-06-26 | 1972-10-10 | Yull Brown | Metal detection and alarm systems |
US3895368A (en) * | 1972-08-09 | 1975-07-15 | Sensormatic Electronics Corp | Surveillance system and method utilizing both electrostatic and electromagnetic fields |
US4212002A (en) * | 1976-05-24 | 1980-07-08 | Williamson Robert D | Method and apparatus for selective electronic surveillance |
US4139844A (en) * | 1977-10-07 | 1979-02-13 | Sensormatic Electronics Corporation | Surveillance method and system with electromagnetic carrier and plural range limiting signals |
DK145169C (da) * | 1978-08-09 | 1983-02-21 | Security Prod Int | Anlaeg til registrering af en passage af en genstand gennem etforudbestemt omraade |
US4260990A (en) * | 1979-11-08 | 1981-04-07 | Lichtblau G J | Asymmetrical antennas for use in electronic security systems |
US4251808A (en) * | 1979-11-15 | 1981-02-17 | Lichtblau G J | Shielded balanced loop antennas for electronic security systems |
US4309697A (en) * | 1980-10-02 | 1982-01-05 | Sensormatic Electronics Corporation | Magnetic surveillance system with odd-even harmonic and phase discrimination |
-
1982
- 1982-01-08 US US06/337,990 patent/US4394645A/en not_active Ceased
- 1982-09-06 GB GB08225360A patent/GB2106757B/en not_active Expired
- 1982-09-06 DE DE19823233028 patent/DE3233028A1/de active Granted
- 1982-09-09 BR BR8205284A patent/BR8205284A/pt not_active IP Right Cessation
- 1982-09-09 CA CA000411036A patent/CA1183922A/en not_active Expired
- 1982-09-09 NL NL8203513A patent/NL8203513A/nl not_active Application Discontinuation
- 1982-09-09 SE SE8205125A patent/SE453696B/sv not_active IP Right Cessation
- 1982-09-10 FR FR8215341A patent/FR2512558B1/fr not_active Expired
- 1982-09-10 ES ES515629A patent/ES515629A0/es active Granted
- 1982-09-10 IT IT09511/82A patent/IT1192508B/it active
Also Published As
Publication number | Publication date |
---|---|
NL8203513A (nl) | 1983-04-05 |
DE3233028C2 (it) | 1991-02-21 |
FR2512558B1 (fr) | 1985-09-13 |
SE8205125D0 (sv) | 1982-09-09 |
ES8306884A1 (es) | 1983-06-01 |
US4394645A (en) | 1983-07-19 |
SE8205125L (sv) | 1983-03-11 |
GB2106757A (en) | 1983-04-13 |
IT1192508B (it) | 1988-04-20 |
IT8209511A0 (it) | 1982-09-10 |
CA1183922A (en) | 1985-03-12 |
DE3233028A1 (de) | 1983-03-24 |
FR2512558A1 (fr) | 1983-03-11 |
GB2106757B (en) | 1985-07-10 |
ES515629A0 (es) | 1983-06-01 |
BR8205284A (pt) | 1983-08-16 |
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