CH544978A - Elektrische Geheimschaltvorrichtung zum Ein- und Ausschalten einer Alarmanlage - Google Patents

Elektrische Geheimschaltvorrichtung zum Ein- und Ausschalten einer Alarmanlage

Info

Publication number
CH544978A
CH544978A CH1654771A CH1654771A CH544978A CH 544978 A CH544978 A CH 544978A CH 1654771 A CH1654771 A CH 1654771A CH 1654771 A CH1654771 A CH 1654771A CH 544978 A CH544978 A CH 544978A
Authority
CH
Switzerland
Prior art keywords
switching
alarm system
switching device
electric secret
electric
Prior art date
Application number
CH1654771A
Other languages
German (de)
English (en)
Inventor
Peyer Christoph
Cyril Sills Edward
Original Assignee
Securiton Ag
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 Securiton Ag filed Critical Securiton Ag
Priority to CH1654771A priority Critical patent/CH544978A/de
Priority to DE19722241739 priority patent/DE2241739C3/de
Priority to GB4944672A priority patent/GB1351559A/en
Priority to FR7239297A priority patent/FR2160401B1/fr
Publication of CH544978A publication Critical patent/CH544978A/de

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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/10—Monitoring of the annunciator circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Burglar Alarm Systems (AREA)
CH1654771A 1971-11-15 1971-11-15 Elektrische Geheimschaltvorrichtung zum Ein- und Ausschalten einer Alarmanlage CH544978A (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CH1654771A CH544978A (de) 1971-11-15 1971-11-15 Elektrische Geheimschaltvorrichtung zum Ein- und Ausschalten einer Alarmanlage
DE19722241739 DE2241739C3 (de) 1971-11-15 1972-08-25 Elektrische Geheimschaltvorrichtung zum Ein- und Ausschalten einer Alarmanlage
GB4944672A GB1351559A (en) 1971-11-15 1972-10-26 Secret electrical switching device for switching on and off an alarm system
FR7239297A FR2160401B1 (enExample) 1971-11-15 1972-11-07

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1654771A CH544978A (de) 1971-11-15 1971-11-15 Elektrische Geheimschaltvorrichtung zum Ein- und Ausschalten einer Alarmanlage

Publications (1)

Publication Number Publication Date
CH544978A true CH544978A (de) 1973-11-30

Family

ID=4418279

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1654771A CH544978A (de) 1971-11-15 1971-11-15 Elektrische Geheimschaltvorrichtung zum Ein- und Ausschalten einer Alarmanlage

Country Status (3)

Country Link
CH (1) CH544978A (enExample)
FR (1) FR2160401B1 (enExample)
GB (1) GB1351559A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8328564D0 (en) * 1983-10-26 1983-11-30 Brownett G S J Producing indication for disabling system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3441808A (en) * 1965-10-23 1969-04-29 Charles V Crane Electronic door lock and supervisory system
US3513466A (en) * 1967-01-30 1970-05-19 Roger H Isaacs Protective alarm system
US3544987A (en) * 1967-02-24 1970-12-01 Renville H Mcmann Jr Property protection alarm system

Also Published As

Publication number Publication date
DE2241739A1 (de) 1973-05-24
FR2160401A1 (enExample) 1973-06-29
DE2241739B2 (de) 1976-11-18
GB1351559A (en) 1974-05-01
FR2160401B1 (enExample) 1978-05-26

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Legal Events

Date Code Title Description
PL Patent ceased