AU475274B2 - Method foh detecting the entry of objects into a limited surveillance area - Google Patents

Method foh detecting the entry of objects into a limited surveillance area

Info

Publication number
AU475274B2
AU475274B2 AU51059/73A AU5105973A AU475274B2 AU 475274 B2 AU475274 B2 AU 475274B2 AU 51059/73 A AU51059/73 A AU 51059/73A AU 5105973 A AU5105973 A AU 5105973A AU 475274 B2 AU475274 B2 AU 475274B2
Authority
AU
Australia
Prior art keywords
foh
entry
objects
detecting
surveillance area
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
Application number
AU51059/73A
Other languages
English (en)
Other versions
AU5105973A (en
Inventor
Jank Jurgen Rehder Wilhelm
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU5105973A publication Critical patent/AU5105973A/en
Application granted granted Critical
Publication of AU475274B2 publication Critical patent/AU475274B2/en
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
    • G08B13/26—Electrical 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)
  • Geophysics And Detection Of Objects (AREA)
  • Electronic Switches (AREA)
AU51059/73A 1972-01-15 1973-01-12 Method foh detecting the entry of objects into a limited surveillance area Expired AU475274B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19722202416 DE2202416C3 (de) 1972-01-15 1972-01-15 Verfahren und Anordnung zum Feststellen des Eindringens von Objekten in ein begrenztes Überwachungsgebiet
DEDE82202416 1972-01-15

Publications (2)

Publication Number Publication Date
AU5105973A AU5105973A (en) 1974-07-18
AU475274B2 true AU475274B2 (en) 1976-08-19

Family

ID=5833415

Family Applications (1)

Application Number Title Priority Date Filing Date
AU51059/73A Expired AU475274B2 (en) 1972-01-15 1973-01-12 Method foh detecting the entry of objects into a limited surveillance area

Country Status (12)

Country Link
JP (1) JPS4882799A (cs)
AR (1) AR200642A1 (cs)
AU (1) AU475274B2 (cs)
BE (1) BE793843A (cs)
BR (1) BR7300268D0 (cs)
CA (1) CA1018264A (cs)
DE (1) DE2202416C3 (cs)
ES (1) ES410512A1 (cs)
FR (1) FR2168365B1 (cs)
GB (1) GB1415092A (cs)
NL (1) NL7300335A (cs)
SE (1) SE386292B (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2182182B (en) * 1985-04-24 1989-06-28 Sound Special Services Limited Intrusion detecting device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4315216Y1 (cs) * 1965-07-14 1968-06-26

Also Published As

Publication number Publication date
BE793843A (fr) 1973-05-02
GB1415092A (en) 1975-11-26
JPS4882799A (cs) 1973-11-05
AR200642A1 (es) 1974-11-29
DE2202416B2 (de) 1973-12-06
DE2202416A1 (de) 1973-07-26
FR2168365A1 (cs) 1973-08-31
NL7300335A (cs) 1973-07-17
ES410512A1 (es) 1975-12-01
SE386292B (sv) 1976-08-02
AU5105973A (en) 1974-07-18
FR2168365B1 (cs) 1977-09-02
DE2202416C3 (de) 1974-07-18
BR7300268D0 (pt) 1973-09-20
CA1018264A (en) 1977-09-27

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