FR1599970A - - Google Patents

Info

Publication number
FR1599970A
FR1599970A FR1599970DA FR1599970A FR 1599970 A FR1599970 A FR 1599970A FR 1599970D A FR1599970D A FR 1599970DA FR 1599970 A FR1599970 A FR 1599970A
Authority
FR
France
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
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
Application granted granted Critical
Publication of FR1599970A publication Critical patent/FR1599970A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G08B29/12—Checking intermittently signalling or alarm systems
    • G08B29/123—Checking intermittently signalling or alarm systems of line circuits
    • 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
    • G08B29/12—Checking intermittently signalling or alarm systems
    • G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
    • 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
    • G08B29/12—Checking intermittently signalling or alarm systems
    • G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
    • G08B29/145—Checking intermittently signalling or alarm systems checking the detection circuits of fire detection circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
  • Fire Alarms (AREA)
FR1599970D 1967-12-29 1968-12-24 Expired FR1599970A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1834067A CH463329A (de) 1967-12-29 1967-12-29 Signalanlage mit mehreren parallel geschalteten Meldeeinheiten

Publications (1)

Publication Number Publication Date
FR1599970A true FR1599970A (fr) 1970-07-20

Family

ID=4432272

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1599970D Expired FR1599970A (fr) 1967-12-29 1968-12-24

Country Status (10)

Country Link
US (1) US3588892A (fr)
AT (1) AT285388B (fr)
BE (1) BE726158A (fr)
CH (1) CH463329A (fr)
DE (1) DE1815206C3 (fr)
DK (1) DK123736B (fr)
FR (1) FR1599970A (fr)
GB (1) GB1202760A (fr)
NL (1) NL163885C (fr)
SE (1) SE385516B (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3753258A (en) * 1970-03-31 1973-08-14 Nittan Co Ltd Fire alarming system
US3983548A (en) * 1975-02-19 1976-09-28 Tufts Howard L Fire detection system
JPS5346092A (en) * 1976-10-08 1978-04-25 Toshiba Corp Gas leakage alarm device
DE2817121C2 (de) * 1978-04-19 1985-10-10 Siemens AG, 1000 Berlin und 8000 München Gefahrenmeldeanlage
US4263587A (en) * 1979-04-09 1981-04-21 International Telephone And Telegraph Corporation Liquid level control system
JPS595955B2 (ja) * 1979-07-27 1984-02-08 ホーチキ株式会社 火災報知機
US4456907A (en) * 1981-01-12 1984-06-26 Pyrotector, Inc. Ionization type smoke detector with test circuit
US4481502A (en) * 1982-03-26 1984-11-06 Dawson N Rick Central smoke alarm and annunciator
IT1169167B (it) * 1983-02-15 1987-05-27 Gd Spa Sistema di controllo funzionale per trasduttori di uscita di un'unita' centrale di controllo e comando per macchine e/o dispositivi utilizzabili in linee di produzione e/o confezionamento di prodotti
IT1169166B (it) * 1983-02-15 1987-05-27 Gd Spa Sistema di controllo funzionale di circuiti in ingresso a un'unita' centrale di controllo e comando per macchine e/o dispositivi utilizzabili in linee di produzione e/o confezionamento di prodotti
DE9408898U1 (de) * 1994-05-31 1995-09-28 Zettler GmbH, 80469 München Gefahrenmelder
IE970008A1 (en) * 1996-01-10 1997-07-16 William Alexander Heffron A detecting unit and a detecting circuit comprising a¹plurality of the detecting units
DE102016200913A1 (de) 2016-01-22 2017-07-27 Hekatron Vertriebs Gmbh Vorrichtung zur Leitungsüberwachung von Gefahrenmeldern und Feststellvorrichtungen
DE102016200914A1 (de) 2016-01-22 2017-07-27 Hekatron Vertriebs Gmbh Vorrichtung zur Leitungsüberwachung an einer Feststelleinrichtung von Brandschutztüren mit Rauchschaltern
CN107450521A (zh) * 2017-08-23 2017-12-08 郑州朗鑫智能电子科技有限公司 一种智能家居用电气检测装置

Also Published As

Publication number Publication date
CH463329A (de) 1968-09-30
BE726158A (fr) 1969-05-29
NL163885C (nl) 1980-10-15
AT285388B (de) 1970-10-27
DE1815206C3 (de) 1975-08-07
DE1815206B2 (de) 1974-12-05
DK123736B (da) 1972-07-24
US3588892A (en) 1971-06-28
SE385516B (sv) 1976-07-05
GB1202760A (en) 1970-08-19
NL6818361A (fr) 1969-07-01
NL163885B (nl) 1980-05-16
DE1815206A1 (de) 1969-07-10

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Legal Events

Date Code Title Description
ST Notification of lapse