IT1192508B - Dispositivi elettrici di sorveglianza con elementi di antenna movibili - Google Patents

Dispositivi elettrici di sorveglianza con elementi di antenna movibili

Info

Publication number
IT1192508B
IT1192508B IT09511/82A IT951182A IT1192508B IT 1192508 B IT1192508 B IT 1192508B IT 09511/82 A IT09511/82 A IT 09511/82A IT 951182 A IT951182 A IT 951182A IT 1192508 B IT1192508 B IT 1192508B
Authority
IT
Italy
Prior art keywords
antenna elements
surveillance devices
movable antenna
electrical surveillance
electrical
Prior art date
Application number
IT09511/82A
Other languages
English (en)
Other versions
IT8209511A0 (it
Inventor
David R Humble
Jon N Weaver
David L Gentzler
Ezra D Eskandry
Peter J Lamanna
Original Assignee
Sensormatic Electronics Corp
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 Sensormatic Electronics Corp filed Critical Sensormatic Electronics Corp
Publication of IT8209511A0 publication Critical patent/IT8209511A0/it
Application granted granted Critical
Publication of IT1192508B publication Critical patent/IT1192508B/it

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)
  • Geophysics And Detection Of Objects (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
IT09511/82A 1981-09-10 1982-09-10 Dispositivi elettrici di sorveglianza con elementi di antenna movibili IT1192508B (it)

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 (2)

Publication Number Publication Date
IT8209511A0 IT8209511A0 (it) 1982-09-10
IT1192508B true IT1192508B (it) 1988-04-20

Family

ID=26972119

Family Applications (1)

Application Number Title Priority Date Filing Date
IT09511/82A IT1192508B (it) 1981-09-10 1982-09-10 Dispositivi elettrici di sorveglianza con elementi di antenna movibili

Country Status (10)

Country Link
US (1) US4394645A (it)
BR (1) BR8205284A (it)
CA (1) CA1183922A (it)
DE (1) DE3233028A1 (it)
ES (1) ES8306884A1 (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)

* Cited by examiner, † Cited by third party
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
DE3567112D1 (en) * 1985-11-02 1989-02-02 Vallon Gmbh Metal detector for detecting metal objects
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
JP3966556B2 (ja) * 1995-05-30 2007-08-29 センサーマティック・エレクトロニクス・コーポレーション 改良された呼びかけ磁界分布を提供するためのｅａｓ装置アンテナ構造
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
US20160071385A1 (en) * 2014-09-05 2016-03-10 Checkpoint Systems, Inc. Point of sale lane gate
EP3355406B1 (de) * 2017-01-30 2019-05-22 Markus Schriebl Antennenvorrichtung für einen rfid-reader

Family Cites Families (9)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
GB2106757A (en) 1983-04-13
SE8205125L (sv) 1983-03-11
ES515629A0 (es) 1983-06-01
CA1183922A (en) 1985-03-12
US4394645A (en) 1983-07-19
ES8306884A1 (es) 1983-06-01
FR2512558B1 (fr) 1985-09-13
NL8203513A (nl) 1983-04-05
SE453696B (sv) 1988-02-22
IT8209511A0 (it) 1982-09-10
SE8205125D0 (sv) 1982-09-09
DE3233028C2 (it) 1991-02-21
DE3233028A1 (de) 1983-03-24
FR2512558A1 (fr) 1983-03-11
GB2106757B (en) 1985-07-10
BR8205284A (pt) 1983-08-16

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