SE424116B - Anleggning for registrering av foremals passage genom ett forutbestemt omrade - Google Patents

Anleggning for registrering av foremals passage genom ett forutbestemt omrade

Info

Publication number
SE424116B
SE424116B SE8002530A SE8002530A SE424116B SE 424116 B SE424116 B SE 424116B SE 8002530 A SE8002530 A SE 8002530A SE 8002530 A SE8002530 A SE 8002530A SE 424116 B SE424116 B SE 424116B
Authority
SE
Sweden
Prior art keywords
signals
transmitter
passage
frequency
marker
Prior art date
Application number
SE8002530A
Other languages
English (en)
Swedish (sv)
Other versions
SE8002530L (sv
Inventor
J Knutzen
A G Paladini
Original Assignee
Security Prod Int
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 Security Prod Int filed Critical Security Prod Int
Publication of SE8002530L publication Critical patent/SE8002530L/xx
Publication of SE424116B publication Critical patent/SE424116B/sv

Links

Classifications

    • 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
    • G08B13/2405—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
    • G08B13/2414—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 inductive tags
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
    • C10G1/04—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by extraction
    • C10G1/045—Separation of insoluble materials
    • 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
    • G08B13/2471—Antenna signal processing by receiver or emitter
    • 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)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Automation & Control Theory (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Burglar Alarm Systems (AREA)
SE8002530A 1978-08-09 1980-04-02 Anleggning for registrering av foremals passage genom ett forutbestemt omrade SE424116B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK351178A DK145169C (da) 1978-08-09 1978-08-09 Anlaeg til registrering af en passage af en genstand gennem etforudbestemt omraade

Publications (2)

Publication Number Publication Date
SE8002530L SE8002530L (sv) 1980-04-02
SE424116B true SE424116B (sv) 1982-06-28

Family

ID=8123744

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8002530A SE424116B (sv) 1978-08-09 1980-04-02 Anleggning for registrering av foremals passage genom ett forutbestemt omrade

Country Status (5)

Country Link
EP (1) EP0016809A1 (de)
DE (1) DE2953405T1 (de)
DK (1) DK145169C (de)
SE (1) SE424116B (de)
WO (1) WO1980000386A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987004551A1 (en) * 1986-01-21 1987-07-30 Intermodulation And Safety System Ab Receiving device

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4394645A (en) * 1981-09-10 1983-07-19 Sensormatic Electronics Corporation Electrical surveillance apparatus with moveable antenna elements
USRE32627E (en) * 1981-09-10 1988-03-22 Sensormatic Electronics Corporation Electrical surveillance apparatus with moveable antenna elements
DE4107803A1 (de) * 1991-03-11 1992-09-17 Ant Nachrichtentech Anordnung zum lokalisieren von objekten und zum austauschen von daten mit diesen objekten
DE4222679C2 (de) * 1992-07-07 1997-10-16 Spreepatent Schutzrechtsverwer Verfahren und Vorrichtung zur verbesserten Wahrnehmung von Ereignissen bei der Übertragung von Sportveranstaltungen
DE4414399A1 (de) * 1994-04-26 1994-09-15 Siegfried Mehl Diebstahlsicherungselement
IL110597A (en) * 1994-08-09 2002-11-10 Micro Tag Temed Ltd Method of marking, verifying and / or identifying an object and an instrument for performing the method
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

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2541982A (en) * 1946-05-22 1951-02-20 Henry E Bernstein Radio ranging and craft identification system
US3500373A (en) * 1966-05-06 1970-03-10 Nat Bank Of North America The Method and apparatus for article theft detection
US3740742A (en) * 1971-05-11 1973-06-19 T Thompson Method and apparatus for actuating an electric circuit
US3810147A (en) * 1971-12-30 1974-05-07 G Lichtblau Electronic security system
US3818472A (en) * 1972-05-26 1974-06-18 K Mauk R.f. system for detecting unauthorized travel of articles through a selected zone
NL161904C (nl) * 1973-04-13 Knogo Corp Diefstal-detectiestelsel.
US3961322A (en) * 1974-07-02 1976-06-01 Lichtblau G J Real time signal discrimination circuitry
US4074249A (en) * 1977-02-04 1978-02-14 Knogo Corporation Magnetic detection means
US4135183A (en) * 1977-05-24 1979-01-16 Minnesota Mining And Manufacturing Company Antipilferage system utilizing "figure-8" shaped field producing and detector coils

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1987004551A1 (en) * 1986-01-21 1987-07-30 Intermodulation And Safety System Ab Receiving device

Also Published As

Publication number Publication date
DK145169C (da) 1983-02-21
SE8002530L (sv) 1980-04-02
DK145169B (da) 1982-09-20
WO1980000386A1 (en) 1980-03-06
DK351178A (da) 1980-02-10
DE2953405C2 (de) 1987-12-23
DE2953405T1 (de) 1981-01-08
EP0016809A1 (de) 1980-10-15

Similar Documents

Publication Publication Date Title
US4751516A (en) Antenna system for magnetic and resonant circuit detection
JPS6037675Y2 (ja) 電子式保安システムのためのアンテナシステム
CA1248606A (en) Transponder systems
EP0035660B1 (de) Detektion von Gegenständen in benachbarten Fussgängerpassagen
SE456459B (sv) Anordning for detektering i ett overvakningsomrade av en kropp med hog permeabilitet
US4866455A (en) Antenna system for magnetic and resonant circuit detection
SE445497B (sv) Antennsystem for anvendning i ett elektroniskt sekerhetssystem
CA2036378A1 (en) Proximity detecting apparatus
GB1453754A (en) Antenna apparatus for an electronic security system
GB1599138A (en) Antipilferage system utilizing "figure-8" or hour-glass shaped field producing coils
CA2155156A1 (en) Pulsed electronic article surveillance device employing expert system techniques for dynamic optimization
SE8205993L (sv) Sett och apparat for uppteckande av stold genom detektering av avklingningen i en resonanskrets
SE424116B (sv) Anleggning for registrering av foremals passage genom ett forutbestemt omrade
ATE29182T1 (de) Detektionssystem.
DE69015668D1 (de) Ladendiebstahlnachweissystem vom Transmissionstyp.
US5223817A (en) Alarm signal processing means
CN102037500B (zh) 消除电子商品防盗系统中相邻发射机的干扰的方法和系统
GB2040093A (en) Intrusion detector
EP0663657A1 (de) Anti-diebstahl Detektierungs- und Identifizierungssystem
US3745553A (en) Single source several sensor security system
CA1180788A (en) System for registrating a passing article
WO1995031862A1 (en) An arrangement for preventing disturbances in electronic alarm systems
CA2075991A1 (en) Security system for surveilling the passage of commodities through defined zones
EP0765511B1 (de) Verfahren zum detektieren von magnetischen elementen
EP0032130A1 (de) Hochfrequenzdetektor

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8002530-7

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8002530-7

Format of ref document f/p: F