ES2176398T3 - Antena y dispositivo de deteccion electromagnetico que incluye dicha antena. - Google Patents

Antena y dispositivo de deteccion electromagnetico que incluye dicha antena.

Info

Publication number
ES2176398T3
ES2176398T3 ES96202459T ES96202459T ES2176398T3 ES 2176398 T3 ES2176398 T3 ES 2176398T3 ES 96202459 T ES96202459 T ES 96202459T ES 96202459 T ES96202459 T ES 96202459T ES 2176398 T3 ES2176398 T3 ES 2176398T3
Authority
ES
Spain
Prior art keywords
antenna
circuit
tuning condenser
antenna coil
table antenna
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.)
Expired - Lifetime
Application number
ES96202459T
Other languages
English (en)
Spanish (es)
Inventor
Paulus Rebers
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.)
Nederlandsche Apparatenfabriek NEDAP NV
Original Assignee
Nederlandsche Apparatenfabriek NEDAP NV
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 Nederlandsche Apparatenfabriek NEDAP NV filed Critical Nederlandsche Apparatenfabriek NEDAP NV
Application granted granted Critical
Publication of ES2176398T3 publication Critical patent/ES2176398T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G08B13/2405—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 characterised by the tag technology used
    • G08B13/2422—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 characterised by the tag technology used using acoustic or microwave tags
    • 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
    • G08B13/2477—Antenna or antenna activator circuit

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Security & Cryptography (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)
  • Transmitters (AREA)
  • Testing Relating To Insulation (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
ES96202459T 1995-09-04 1996-09-04 Antena y dispositivo de deteccion electromagnetico que incluye dicha antena. Expired - Lifetime ES2176398T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1001125A NL1001125C2 (nl) 1995-09-04 1995-09-04 Verbeterd draaiveldnetwerk.

Publications (1)

Publication Number Publication Date
ES2176398T3 true ES2176398T3 (es) 2002-12-01

Family

ID=19761530

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96202459T Expired - Lifetime ES2176398T3 (es) 1995-09-04 1996-09-04 Antena y dispositivo de deteccion electromagnetico que incluye dicha antena.

Country Status (4)

Country Link
EP (1) EP0762355B1 (de)
DE (1) DE69619911T2 (de)
ES (1) ES2176398T3 (de)
NL (1) NL1001125C2 (de)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9201270A (nl) * 1992-07-15 1994-02-01 Nedap Nv Antiwinkeldiefstal-antenne met draaiveld.

Also Published As

Publication number Publication date
DE69619911D1 (de) 2002-04-25
EP0762355A1 (de) 1997-03-12
DE69619911T2 (de) 2002-11-21
EP0762355B1 (de) 2002-03-20
NL1001125C2 (nl) 1997-03-05

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