CA1018264A - Method for detecting the entry of objects into a rectricted area - Google Patents

Method for detecting the entry of objects into a rectricted area

Info

Publication number
CA1018264A
CA1018264A CA161,140A CA161140A CA1018264A CA 1018264 A CA1018264 A CA 1018264A CA 161140 A CA161140 A CA 161140A CA 1018264 A CA1018264 A CA 1018264A
Authority
CA
Canada
Prior art keywords
rectricted
entry
objects
detecting
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
CA161,140A
Other versions
CA161140S (en
Inventor
Jurgen Rehder
Wilhelm Jank
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
Application granted granted Critical
Publication of CA1018264A publication Critical patent/CA1018264A/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
CA161,140A 1972-01-15 1973-01-12 Method for detecting the entry of objects into a rectricted area Expired CA1018264A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722202416 DE2202416C3 (en) 1972-01-15 1972-01-15 Method and arrangement for determining the intrusion of objects into a limited surveillance area

Publications (1)

Publication Number Publication Date
CA1018264A true CA1018264A (en) 1977-09-27

Family

ID=5833415

Family Applications (1)

Application Number Title Priority Date Filing Date
CA161,140A Expired CA1018264A (en) 1972-01-15 1973-01-12 Method for detecting the entry of objects into a rectricted area

Country Status (12)

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

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 (en) * 1965-07-14 1968-06-26

Also Published As

Publication number Publication date
DE2202416A1 (en) 1973-07-26
AU475274B2 (en) 1976-08-19
NL7300335A (en) 1973-07-17
BR7300268D0 (en) 1973-09-20
GB1415092A (en) 1975-11-26
FR2168365A1 (en) 1973-08-31
JPS4882799A (en) 1973-11-05
DE2202416B2 (en) 1973-12-06
ES410512A1 (en) 1975-12-01
BE793843A (en) 1973-05-02
SE386292B (en) 1976-08-02
AR200642A1 (en) 1974-11-29
DE2202416C3 (en) 1974-07-18
FR2168365B1 (en) 1977-09-02
AU5105973A (en) 1974-07-18

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