SE385516B - SIGNAL SYSTEM - Google Patents

SIGNAL SYSTEM

Info

Publication number
SE385516B
SE385516B SE6817563A SE1756368A SE385516B SE 385516 B SE385516 B SE 385516B SE 6817563 A SE6817563 A SE 6817563A SE 1756368 A SE1756368 A SE 1756368A SE 385516 B SE385516 B SE 385516B
Authority
SE
Sweden
Prior art keywords
signal system
signal
Prior art date
Application number
SE6817563A
Other languages
Swedish (sv)
Inventor
A Scheidweiler
Original Assignee
Cerberus 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 Cerberus Ag filed Critical Cerberus Ag
Publication of SE385516B publication Critical patent/SE385516B/en

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/12Checking intermittently signalling or alarm systems
    • G08B29/123Checking intermittently signalling or alarm systems of line circuits
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/12Checking intermittently signalling or alarm systems
    • G08B29/14Checking intermittently signalling or alarm systems checking the detection circuits
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/12Checking intermittently signalling or alarm systems
    • G08B29/14Checking intermittently signalling or alarm systems checking the detection circuits
    • G08B29/145Checking 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)
SE6817563A 1967-12-29 1968-12-20 SIGNAL SYSTEM SE385516B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1834067A CH463329A (en) 1967-12-29 1967-12-29 Signal system with several signaling units connected in parallel

Publications (1)

Publication Number Publication Date
SE385516B true SE385516B (en) 1976-07-05

Family

ID=4432272

Family Applications (1)

Application Number Title Priority Date Filing Date
SE6817563A SE385516B (en) 1967-12-29 1968-12-20 SIGNAL SYSTEM

Country Status (10)

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

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 (en) * 1978-04-19 1985-10-10 Siemens AG, 1000 Berlin und 8000 München Alarm system
US4263587A (en) * 1979-04-09 1981-04-21 International Telephone And Telegraph Corporation Liquid level control system
JPS595955B2 (en) * 1979-07-27 1984-02-08 ホーチキ株式会社 fire alarm
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 (en) * 1983-02-15 1987-05-27 Gd Spa FUNCTIONAL CONTROL SYSTEM FOR OUTPUT TRANSDUCERS OF A CENTRAL CONTROL AND CONTROL UNIT FOR MACHINES AND / OR DEVICES USABLE IN PRODUCTION AND / OR PACKAGING LINES OF PRODUCTS
IT1169166B (en) * 1983-02-15 1987-05-27 Gd Spa FUNCTIONAL CONTROL SYSTEM OF INPUT CIRCUITS TO A CENTRAL CONTROL AND CONTROL UNIT FOR MACHINES AND / OR DEVICES USABLE IN PRODUCTION AND / OR PACKAGING LINES OF PRODUCTS
DE9408898U1 (en) * 1994-05-31 1995-09-28 Zettler GmbH, 80469 München Hazard detector
IES73218B2 (en) * 1996-01-10 1997-05-07 William Alexander Heffron A detecting unit and a detecting circuit comprising a plurality of the detecting units
DE102016200913A1 (en) 2016-01-22 2017-07-27 Hekatron Vertriebs Gmbh Device for line monitoring of hazard detectors and locking devices
DE102016200914A1 (en) 2016-01-22 2017-07-27 Hekatron Vertriebs Gmbh Device for line monitoring at a locking device of fire doors with smoke switches
CN107450521A (en) * 2017-08-23 2017-12-08 郑州朗鑫智能电子科技有限公司 A kind of electric detection means of smart home

Also Published As

Publication number Publication date
DK123736B (en) 1972-07-24
DE1815206B2 (en) 1974-12-05
GB1202760A (en) 1970-08-19
NL163885C (en) 1980-10-15
US3588892A (en) 1971-06-28
AT285388B (en) 1970-10-27
BE726158A (en) 1969-05-29
DE1815206C3 (en) 1975-08-07
FR1599970A (en) 1970-07-20
NL6818361A (en) 1969-07-01
NL163885B (en) 1980-05-16
CH463329A (en) 1968-09-30
DE1815206A1 (en) 1969-07-10

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