SE8100184L - Inbrottslarm - Google Patents

Inbrottslarm

Info

Publication number
SE8100184L
SE8100184L SE8100184A SE8100184A SE8100184L SE 8100184 L SE8100184 L SE 8100184L SE 8100184 A SE8100184 A SE 8100184A SE 8100184 A SE8100184 A SE 8100184A SE 8100184 L SE8100184 L SE 8100184L
Authority
SE
Sweden
Prior art keywords
antenna
intruder
khz
oscillator
high frequency
Prior art date
Application number
SE8100184A
Other languages
Unknown language ( )
English (en)
Other versions
SE450673B (sv
Inventor
H Inoue
H Ohashi
Y Takada
Original Assignee
Matsushita Electric Works Ltd
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
Priority claimed from JP333080A external-priority patent/JPS56101294A/ja
Priority claimed from JP4232480A external-priority patent/JPS56140487A/ja
Priority claimed from JP55168918A external-priority patent/JPS603625B2/ja
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of SE8100184L publication Critical patent/SE8100184L/sv
Publication of SE450673B publication Critical patent/SE450673B/sv

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation
    • G08B13/26Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
SE8100184A 1980-01-15 1981-01-14 Varningsanleggning, for indikering av en persons nervaro inom ett givet omrade SE450673B (sv)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP333080A JPS56101294A (en) 1980-01-15 1980-01-15 Electric field type human body detector
JP4232480A JPS56140487A (en) 1980-03-31 1980-03-31 Electric field type human body detector
JP55168918A JPS603625B2 (ja) 1980-11-28 1980-11-28 電界式人体検知器

Publications (2)

Publication Number Publication Date
SE8100184L true SE8100184L (sv) 1981-07-16
SE450673B SE450673B (sv) 1987-07-13

Family

ID=27275768

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8100184A SE450673B (sv) 1980-01-15 1981-01-14 Varningsanleggning, for indikering av en persons nervaro inom ett givet omrade

Country Status (6)

Country Link
AU (1) AU542678B2 (sv)
DE (2) DE3152533C2 (sv)
FR (1) FR2473764B1 (sv)
GB (1) GB2069206B (sv)
IT (1) IT1210603B (sv)
SE (1) SE450673B (sv)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56140487A (en) * 1980-03-31 1981-11-02 Matsushita Electric Works Ltd Electric field type human body detector
US4621258A (en) * 1983-08-22 1986-11-04 Campman James P Proximity detecting apparatus
DE3439015A1 (de) * 1984-10-25 1986-04-30 Horizont Gerätewerk GmbH, 3540 Korbach Elektrozaungeraet
IT1218109B (it) * 1986-05-02 1990-04-12 Dei Dispositivi Elettronici In Apparecchiatura per il rilevamento di corpi in movimento sul terreno in un'area protetta,in particolare per usi militari e affini
GB2279757B (en) * 1990-11-16 1995-06-07 Moonstone Technology Ltd Device for determining the presence and/or characteristics of an object or a substance
SE9303582D0 (sv) * 1993-10-29 1993-10-29 Goeran Hansson Berörings- och stöldskydd för kontorsutrustning
JPH11512803A (ja) * 1995-09-25 1999-11-02 セレンセン,イェルン 第1物体と第2物体の間の距離を検知する方法及び装置
ITTO980452A1 (it) * 1998-05-26 1999-11-26 Elvis Sas Di Zannier Gian Carl Dispositivo e metodo di rilevamento della presenza del corpo umano.
GB0018914D0 (en) * 2000-08-03 2000-09-20 Rees John C Electronic safety control
FR2859302B1 (fr) * 2003-08-27 2005-11-11 Serpe Iesm Soc D Etudes Et De Systeme de detection et de localisation de defaillances dans une cloture electrifiee
AT512650B1 (de) * 2012-07-06 2013-10-15 Abatec Group Ag LKW Diebstahlsicherung mittels Zollschnur
DE102018124389A1 (de) * 2018-10-02 2020-04-02 Livisi Gmbh Verfahren und Vorrichtung zur Erkennung einer Person in einem Raum

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2421771A (en) * 1942-07-17 1947-06-10 Glenn H Browning Approach protective system
US3230518A (en) * 1961-03-20 1966-01-18 American District Telegraph Co Method of detecting intruders and intruder detection apparatus of the capacity-type utilizing balanced asymmetric fields
US3462755A (en) * 1966-04-26 1969-08-19 Mosler Research Products Inc Capacity alarm
GB1320153A (en) * 1969-06-26 1973-06-13 Brown Y Alarm systems
US3697971A (en) * 1970-12-30 1972-10-10 Siegfried Domin Alarm system
US3829850A (en) * 1971-12-17 1974-08-13 Tyco Laboratories Inc Proximity detector
US4064499A (en) * 1975-09-12 1977-12-20 Stellar Systems, Inc. Intrusion warning system utilizing an electric field

Also Published As

Publication number Publication date
SE450673B (sv) 1987-07-13
GB2069206B (en) 1984-07-11
AU542678B2 (en) 1985-03-07
AU6624081A (en) 1981-07-30
DE3100936C2 (de) 1985-10-31
IT8167033A0 (it) 1981-01-14
GB2069206A (en) 1981-08-19
DE3152533C2 (de) 1984-06-07
DE3100936A1 (de) 1981-12-03
IT1210603B (it) 1989-09-14
FR2473764A1 (fr) 1981-07-17
FR2473764B1 (fr) 1985-08-09

Similar Documents

Publication Publication Date Title
ES8202646A1 (es) Instalacion de seguridad para vigilancia a distancia y alar-ma contra robos
SE8100184L (sv) Inbrottslarm
EP0041781A3 (en) Intrusion detection and alarm system
EP0262882A3 (en) Homing system for an in-ground boring device
GB1453754A (en) Antenna apparatus for an electronic security system
SE8205025L (sv) Markeringsanordning och sadan anordning innefattande system
SE8205993L (sv) Sett och apparat for uppteckande av stold genom detektering av avklingningen i en resonanskrets
RU94040377A (ru) Электромагнитная система обнаружения для операции парковки
ATE29182T1 (de) Detektionssystem.
GB1456102A (en) Intrusion detection system
ES8506905A1 (es) Una instalacion y un metodo para detectar la proximidad de un objeto a una linea de energia electrica de corriente alterna
FR2455843A1 (fr) Cloture electronique pour animaux
GB1402530A (en) Detecting damage to glass
US3508238A (en) Intrusion detection system
IT7869540A0 (it) Procedimento e sistema di inseguimento di un oggetto irradiante un segnale elettromagnetico polarizzato circolarmente o linearmente
WO1979000196A1 (en) Pre-intrusion detection device
FR2402877A1 (en) Detector and locator for electrical discharges - uses acoustic waveguides connected to piezoceramic element in inductive enclosed windings
US3800270A (en) Piezoelectric acoustical transducer for transmitting and receiving
FR2553523B1 (fr) Alarme inductive de protection contre le vol par detection de circuits resonnants
SE8700442D0 (sv) Detektering med hjelp av elektriska felt av forendring i rumslig konfiguration
IT1077181B (it) Ricevitore per un sistema ad alta frequenza,per la rivelazione di intrusioni
GB1352163A (en) Alarm systems
SE9504260D0 (sv) Detektor
GB2063537A (en) Sensor for use with intrusion detection circuitry
IT8219741A0 (it) Procedimento e disposizione circuitale per sorvegliare impianti di segnalazioni stradali alimentati con corrente alternata.

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8100184-4

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8100184-4

Format of ref document f/p: F