JPS5143760B2 - - Google Patents

Info

Publication number
JPS5143760B2
JPS5143760B2 JP46075103A JP7510371A JPS5143760B2 JP S5143760 B2 JPS5143760 B2 JP S5143760B2 JP 46075103 A JP46075103 A JP 46075103A JP 7510371 A JP7510371 A JP 7510371A JP S5143760 B2 JPS5143760 B2 JP S5143760B2
Authority
JP
Japan
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
Application number
JP46075103A
Other languages
Japanese (ja)
Other versions
JPS4841697A (it
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 filed Critical
Priority to JP46075103A priority Critical patent/JPS5143760B2/ja
Priority to US00289877A priority patent/US3839709A/en
Publication of JPS4841697A publication Critical patent/JPS4841697A/ja
Publication of JPS5143760B2 publication Critical patent/JPS5143760B2/ja
Expired legal-status Critical Current

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
    • G08B13/2491—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Transmitters (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transceivers (AREA)
JP46075103A 1971-09-28 1971-09-28 Expired JPS5143760B2 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP46075103A JPS5143760B2 (it) 1971-09-28 1971-09-28
US00289877A US3839709A (en) 1971-09-28 1972-09-18 Discriminative intruder-detecting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46075103A JPS5143760B2 (it) 1971-09-28 1971-09-28

Publications (2)

Publication Number Publication Date
JPS4841697A JPS4841697A (it) 1973-06-18
JPS5143760B2 true JPS5143760B2 (it) 1976-11-24

Family

ID=13566486

Family Applications (1)

Application Number Title Priority Date Filing Date
JP46075103A Expired JPS5143760B2 (it) 1971-09-28 1971-09-28

Country Status (2)

Country Link
US (1) US3839709A (it)
JP (1) JPS5143760B2 (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0353491B2 (it) * 1986-04-15 1991-08-15 Kenjiro Jinbo

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE791039A (fr) * 1971-11-08 1973-05-07 Lewis Security Syst Ltd Systemes de securite
JPS50122199A (it) * 1974-03-12 1975-09-25
JPS50122197A (it) * 1974-03-12 1975-09-25
JPS53121037A (en) * 1978-03-31 1978-10-23 Toyoda Gosei Co Ltd Primer composition
US4353064A (en) * 1981-01-14 1982-10-05 Honeywell Inc. Battery operated access control card
US4484182A (en) * 1981-07-01 1984-11-20 Shorrock Developments Limited Intruder detection apparatus for functioning free of disturbance while in close proximity to high-power pulse-moldulated radars
US4593273A (en) * 1984-03-16 1986-06-03 Narcisse Bernadine O Out-of-range personnel monitor and alarm
IT1271382B (it) * 1994-05-31 1997-05-27 Alessandro Manneschi Rivelatore di metalli per controllo accessi combinato in forma integrata con rivelatore a trasponder
GB2347540B (en) * 1999-03-01 2002-10-02 Lea Ziff An alarm system
GB2350221A (en) * 1999-05-19 2000-11-22 Jeffrey Moss Woolf Intruder alarm system
FR2812433A1 (fr) * 2000-07-28 2002-02-01 Turquoise Com Internat Lda Procede et dispositif pour la protection en continu contre les intrusions dans des locaux eventuellement habites
JP4489539B2 (ja) * 2004-09-03 2010-06-23 株式会社マキタ レーダ装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2400309A (en) * 1941-10-31 1946-05-14 Baldwin Co Oscillation generator
US3376507A (en) * 1962-01-08 1968-04-02 Varian Associates Balanced microwave hybrid function mixer assembly
US3478344A (en) * 1965-06-21 1969-11-11 Ralph K Schwitzgebel Behavioral supervision system with wrist carried transceiver
US3471845A (en) * 1966-05-27 1969-10-07 Sylvania Electric Prod Security system
US3400393A (en) * 1966-12-19 1968-09-03 Saul H. Ash Weapon safety mechanism
US3665448A (en) * 1970-08-03 1972-05-23 Hugh A Mcglinchey Electronic shoplifting prevention system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0353491B2 (it) * 1986-04-15 1991-08-15 Kenjiro Jinbo

Also Published As

Publication number Publication date
US3839709A (en) 1974-10-01
JPS4841697A (it) 1973-06-18

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