NL6906607A - - Google Patents

Info

Publication number
NL6906607A
NL6906607A NL6906607A NL6906607A NL6906607A NL 6906607 A NL6906607 A NL 6906607A NL 6906607 A NL6906607 A NL 6906607A NL 6906607 A NL6906607 A NL 6906607A NL 6906607 A NL6906607 A NL 6906607A
Authority
NL
Netherlands
Application number
NL6906607A
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
Publication of NL6906607A publication Critical patent/NL6906607A/xx

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
NL6906607A 1968-04-29 1969-04-29 NL6906607A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB20320/68A GB1178957A (en) 1968-04-29 1968-04-29 Improvements in and relating to Electrical Protective Systems

Publications (1)

Publication Number Publication Date
NL6906607A true NL6906607A (xx) 1969-10-31

Family

ID=10144025

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6906607A NL6906607A (xx) 1968-04-29 1969-04-29

Country Status (8)

Country Link
US (1) US3626403A (xx)
BE (1) BE732211A (xx)
CH (1) CH534405A (xx)
DE (1) DE1921519C3 (xx)
FR (1) FR2007221A1 (xx)
GB (2) GB1178957A (xx)
NL (1) NL6906607A (xx)
SE (1) SE350866B (xx)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE402660B (sv) * 1970-11-12 1978-07-10 Securitas Int Ab Brandalarmanleggning
US3765016A (en) * 1971-05-24 1973-10-09 Oak Electro Netics Corp Security system including means for polling the premises to be protected
US3706987A (en) * 1971-08-23 1972-12-19 Bay Alarm Co Alarm loop circuit system with light-emitting current-detection means
US3798628A (en) * 1971-09-27 1974-03-19 G Ive Protective systems and apparatus therefor
US3962696A (en) * 1972-06-15 1976-06-08 Inertia Switch Limited Protective systems
US4333094A (en) * 1978-12-04 1982-06-01 Homexx International Corp. Swimming pool alarm
EP0015656B1 (en) * 1979-02-09 1983-12-14 Philip Charles Sefton Improvements relating to security equipment
US4524349A (en) * 1982-08-09 1985-06-18 Nel-Tech Development, Inc. Security system having detector sensing and identification
US4567471A (en) * 1983-08-08 1986-01-28 Pittway Corporation Monitoring system
US5200734A (en) * 1992-01-06 1993-04-06 Lin Tieng Fu Detecting and alarming system for detecting shortcircuited or broken circuit
WO2009073571A2 (en) * 2007-11-29 2009-06-11 Intelligent Sentinel Technologies, Llc Systems and methods for a property sentinel
ES2795779T3 (es) * 2017-12-06 2020-11-24 Defond Electech Co Ltd Un módulo de circuito de detección para su uso en detectar un estado de funcionamiento de una puerta de aparato electrodoméstico
IT201800006542A1 (it) * 2018-06-22 2018-09-22 Dispositivo blocco-porta.
US10636274B1 (en) * 2019-01-02 2020-04-28 The Boeing Company Reconfigurable enclosure system with barrier continuity loop intrusion detection

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2944252A (en) * 1957-01-07 1960-07-05 American District Telegraph Co Intruder alarm system
US3010100A (en) * 1958-06-30 1961-11-21 American District Telegraph Co Direct current operated burglar alarm system with alternating current supervision
US2971186A (en) * 1959-06-30 1961-02-07 Ripepi Tony Central warning burglar alarm system
US3254334A (en) * 1963-12-19 1966-05-31 American District Telegraph Co Electrical protection system utilizing reverse polarity line testing with unidirectional current devices having reverse breakdown characteristic
US3287718A (en) * 1964-03-10 1966-11-22 Lloyd S Stensrud Subscriber alarm system
US3286250A (en) * 1964-10-16 1966-11-15 Teitelbaum Menashe Burglar alarm utilizing bi-stable electronic switches
US3351934A (en) * 1965-05-19 1967-11-07 Honeywell Inc Supervised alarm system
US3470554A (en) * 1966-03-09 1969-09-30 Johnson Service Co Intrusion alarm system having authorization capability with tamper detection means

Also Published As

Publication number Publication date
DE1921519C3 (de) 1979-12-20
GB1296672A (en) 1972-11-15
US3626403A (en) 1971-12-07
DE1921519A1 (de) 1970-08-27
CH534405A (fr) 1973-02-28
SE350866B (xx) 1972-11-06
DE1921519B2 (de) 1979-04-26
FR2007221A1 (xx) 1970-01-02
BE732211A (xx) 1969-10-01
GB1178957A (en) 1970-01-28

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Legal Events

Date Code Title Description
BV The patent application has lapsed