SE8404691L - Forfarande och anordning for att detektera en indikeringsanordning i en begrensad undersokningszon - Google Patents

Forfarande och anordning for att detektera en indikeringsanordning i en begrensad undersokningszon

Info

Publication number
SE8404691L
SE8404691L SE8404691A SE8404691A SE8404691L SE 8404691 L SE8404691 L SE 8404691L SE 8404691 A SE8404691 A SE 8404691A SE 8404691 A SE8404691 A SE 8404691A SE 8404691 L SE8404691 L SE 8404691L
Authority
SE
Sweden
Prior art keywords
frequency
field
indicated device
low
coils
Prior art date
Application number
SE8404691A
Other languages
English (en)
Other versions
SE8404691D0 (sv
SE440833B (sv
Inventor
Leif Asbrink
Original Assignee
Leif Asbrink
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
Publication of SE8404691D0 publication Critical patent/SE8404691D0/sv
Application filed by Leif Asbrink filed Critical Leif Asbrink
Priority to BR8505670A priority Critical patent/BR8505670A/pt
Priority to DE8585850041T priority patent/DE3578228D1/de
Priority to US06/787,789 priority patent/US4704602A/en
Priority to EP85850041A priority patent/EP0153286B1/en
Priority to AU39329/85A priority patent/AU567604B2/en
Priority to AT85850041T priority patent/ATE53675T1/de
Priority to PCT/SE1985/000054 priority patent/WO1985003793A1/en
Priority to CA000473804A priority patent/CA1231152A/en
Priority to ES540975A priority patent/ES8702683A1/es
Publication of SE8404691L publication Critical patent/SE8404691L/sv
Publication of SE440833B publication Critical patent/SE440833B/sv
Priority to NO85853981A priority patent/NO166509C/no
Priority to DK469685A priority patent/DK163695C/da
Priority to FI854012A priority patent/FI81920C/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
SE8404691A 1984-02-15 1984-09-19 Forfarande och anordning for att detektera en indikeringsanordning i en begrensad undersokningszon SE440833B (sv)

Priority Applications (12)

Application Number Priority Date Filing Date Title
BR8505670A BR8505670A (pt) 1984-02-15 1985-02-05 Metodo e sistema para detectar presenca de dispositivo indicados numa zona limitada de investigacao
DE8585850041T DE3578228D1 (de) 1984-02-15 1985-02-05 Verfahren und anordnung zur detektion eines anzeigegeraets.
US06/787,789 US4704602A (en) 1984-02-15 1985-02-05 Method and system for detecting an indicating device
EP85850041A EP0153286B1 (en) 1984-02-15 1985-02-05 Method and system for detecting an indicating device
AU39329/85A AU567604B2 (en) 1984-02-15 1985-02-05 Method and system for detecting an indicating device
AT85850041T ATE53675T1 (de) 1984-02-15 1985-02-05 Verfahren und anordnung zur detektion eines anzeigegeraets.
PCT/SE1985/000054 WO1985003793A1 (en) 1984-02-15 1985-02-05 Method and system for detecting an indicating device
CA000473804A CA1231152A (en) 1984-02-15 1985-02-07 Method and system for detecting an indicating device
ES540975A ES8702683A1 (es) 1984-02-15 1985-02-15 Metodo y sistema para detectar la presencia de un dispositi-vo indicador en una zona de investigacion limitada
NO85853981A NO166509C (no) 1984-02-15 1985-10-08 Fremgangsmaate og innreting for aa detektere naervaeret av enindikeringsanordning i en begrenset undersoekelsessone.
DK469685A DK163695C (da) 1984-02-15 1985-10-14 Fremgangsmaade og indretning til detektering af en indikeringsindretning
FI854012A FI81920C (sv) 1984-02-15 1985-10-15 Förfarande för att detektera en indikeringsanordning, jämte anordning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8400826A SE8400826L (sv) 1984-02-15 1984-02-15 Forfarande jemte anordning for att detektera nervaro av en indikeringsanordning i en begrensad undersokningszon

Publications (3)

Publication Number Publication Date
SE8404691D0 SE8404691D0 (sv) 1984-09-19
SE8404691L true SE8404691L (sv) 1985-08-16
SE440833B SE440833B (sv) 1985-08-19

Family

ID=20354765

Family Applications (2)

Application Number Title Priority Date Filing Date
SE8400826A SE8400826L (sv) 1984-02-15 1984-02-15 Forfarande jemte anordning for att detektera nervaro av en indikeringsanordning i en begrensad undersokningszon
SE8404691A SE440833B (sv) 1984-02-15 1984-09-19 Forfarande och anordning for att detektera en indikeringsanordning i en begrensad undersokningszon

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SE8400826A SE8400826L (sv) 1984-02-15 1984-02-15 Forfarande jemte anordning for att detektera nervaro av en indikeringsanordning i en begrensad undersokningszon

Country Status (3)

Country Link
JP (1) JPS61501229A (sv)
SE (2) SE8400826L (sv)
ZA (1) ZA85897B (sv)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3990065A (en) * 1975-02-20 1976-11-02 The Magnavox Company Theft detection system
NL7702946A (nl) * 1976-04-03 1977-10-05 Bizerba Werke Kraut Kg Wilh Werkwijze en inrichting voor het vaststellen van de aanwezigheid van objecten in een bepaald controle- gebied, in het bijzonder voor het verhinderen van winkeldiefstallen.
JPS5853395A (ja) * 1981-09-27 1983-03-29 Tazawa Makoto 油空圧を併用したカムプレス

Also Published As

Publication number Publication date
ZA85897B (en) 1985-09-25
SE8400826L (sv) 1985-08-16
SE8404691D0 (sv) 1984-09-19
JPH0355878B2 (sv) 1991-08-26
SE8400826D0 (sv) 1984-02-15
JPS61501229A (ja) 1986-06-19
SE440833B (sv) 1985-08-19

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