JPH08321717A - 電子保安システム用アンテナ - Google Patents

電子保安システム用アンテナ

Info

Publication number
JPH08321717A
JPH08321717A JP24464095A JP24464095A JPH08321717A JP H08321717 A JPH08321717 A JP H08321717A JP 24464095 A JP24464095 A JP 24464095A JP 24464095 A JP24464095 A JP 24464095A JP H08321717 A JPH08321717 A JP H08321717A
Authority
JP
Japan
Prior art keywords
antenna
antenna according
hollow
longitudinal groove
hollow portion
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP24464095A
Other languages
English (en)
Japanese (ja)
Inventor
Ernst Jetzer
イエッツァー エルンスト
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Actron Entwicklungs AG
Original Assignee
Actron Entwicklungs AG
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 Actron Entwicklungs AG filed Critical Actron Entwicklungs AG
Publication of JPH08321717A publication Critical patent/JPH08321717A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • 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
    • H01Q7/04—Screened antennas

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)
  • Support Of Aerials (AREA)
  • Burglar Alarm Systems (AREA)
JP24464095A 1994-09-23 1995-09-22 電子保安システム用アンテナ Pending JPH08321717A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2899/94-1 1994-09-23
CH289994 1994-09-23

Publications (1)

Publication Number Publication Date
JPH08321717A true JPH08321717A (ja) 1996-12-03

Family

ID=4244125

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24464095A Pending JPH08321717A (ja) 1994-09-23 1995-09-22 電子保安システム用アンテナ

Country Status (2)

Country Link
EP (1) EP0703637A1 (fr)
JP (1) JPH08321717A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030001739A1 (en) * 2001-06-29 2003-01-02 Robert Clucas Electronic article surveillance antenna for attachment to a vertical structure
GB0328359D0 (en) * 2003-12-06 2004-01-14 Telegesis Uk Ltd Radio frequency antenna
DE102005020842B4 (de) * 2005-05-02 2006-12-14 Dekoplast Gmbh Husse für Transponderantennen
NL1033629C2 (nl) * 2007-04-02 2008-10-06 Nedap Nv Modulair multifunctioneel antenneframe voor een anti-winkeldiefstalsysteem.
DE202012008852U1 (de) * 2012-09-17 2013-12-18 Checkpoint Systems, Inc. Antennenvorrichtung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4251808A (en) 1979-11-15 1981-02-17 Lichtblau G J Shielded balanced loop antennas for electronic security systems
US4872018A (en) 1987-08-31 1989-10-03 Monarch Marking Systems, Inc. Multiple loop antenna
US5121103A (en) * 1988-07-29 1992-06-09 Knogo Corporation Load isolated article surveillance system and antenna assembly
US4999641A (en) 1989-09-01 1991-03-12 Monarch Marking Systems, Inc. Magnetic antenna system having independently controllable electrical field shielding and magnetic field balance
US4994939A (en) * 1989-11-15 1991-02-19 Minnesota Mining And Manufacturing Company Universal lattice for magnetic-electronic article surveillance system

Also Published As

Publication number Publication date
EP0703637A1 (fr) 1996-03-27

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