NO136383B - - Google Patents

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Publication number
NO136383B
NO136383B NO741081A NO741081A NO136383B NO 136383 B NO136383 B NO 136383B NO 741081 A NO741081 A NO 741081A NO 741081 A NO741081 A NO 741081A NO 136383 B NO136383 B NO 136383B
Authority
NO
Norway
Prior art keywords
voltage
rails
circuits
signaling system
rail
Prior art date
Application number
NO741081A
Other languages
English (en)
Norwegian (no)
Other versions
NO136383C (no
NO741081L (no
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 NO741081L publication Critical patent/NO741081L/no
Publication of NO136383B publication Critical patent/NO136383B/no
Publication of NO136383C publication Critical patent/NO136383C/no

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/10Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Fire Alarms (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Alarm Systems (AREA)
NO741081A 1973-03-30 1974-03-27 Fremgangsm}te ved brannmelding og koblingsanordning for fremgangsm}tens utf¦relse NO136383C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH462173A CH570016A5 (xx) 1973-03-30 1973-03-30

Publications (3)

Publication Number Publication Date
NO741081L NO741081L (no) 1974-10-01
NO136383B true NO136383B (xx) 1977-05-16
NO136383C NO136383C (no) 1977-08-31

Family

ID=4279532

Family Applications (1)

Application Number Title Priority Date Filing Date
NO741081A NO136383C (no) 1973-03-30 1974-03-27 Fremgangsm}te ved brannmelding og koblingsanordning for fremgangsm}tens utf¦relse

Country Status (17)

Country Link
US (1) US3872449A (xx)
JP (1) JPS5619671B2 (xx)
AT (1) AT340807B (xx)
BE (1) BE812331A (xx)
CA (1) CA1063260A (xx)
CH (1) CH570016A5 (xx)
DE (1) DE2408374B2 (xx)
DK (1) DK137099B (xx)
ES (1) ES425125A1 (xx)
FI (1) FI55420C (xx)
FR (1) FR2223766B1 (xx)
GB (1) GB1430035A (xx)
IT (1) IT1014554B (xx)
NL (1) NL7403973A (xx)
NO (1) NO136383C (xx)
SE (1) SE389569B (xx)
ZA (1) ZA741754B (xx)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5512635B2 (xx) * 1972-07-26 1980-04-03
CH576175A5 (xx) * 1974-12-19 1976-05-31 Cerberus Ag
JPS5737265Y2 (xx) * 1976-07-07 1982-08-17
US4131888A (en) * 1976-08-18 1978-12-26 American District Telegraph Company Dual projected-beam smoke detector
US4091363A (en) * 1977-01-03 1978-05-23 Pittway Corporation Self-contained fire detector with interconnection circuitry
FR2386874A1 (fr) * 1977-04-08 1978-11-03 Gamma Electronic Detecteur de fumees a ionisation associe a un circuit electronique de mesure velocimetrique
US4222046A (en) * 1978-07-31 1980-09-09 Honeywell Inc. Abnormal condition responsive means with periodic high sensitivity
US4250500A (en) * 1979-10-22 1981-02-10 Rca Corporation Smoke detector
CA1148279A (en) * 1979-12-14 1983-06-14 Andreas Scheidweiler Ionization smoke detector with increased operational reliability
DE3127324A1 (de) * 1981-07-10 1983-01-27 Siemens AG, 1000 Berlin und 8000 München Verfahren und anordnung zur erhoehung der ansprechempfindlichkeit und der stoersicherheit in einer gefahren-, insbesondere brandmeldeanlage
US4539488A (en) * 1981-11-30 1985-09-03 Zenith Electronics Corporation Pulse wave to parabola wave converter
JPS60126798A (ja) * 1983-12-13 1985-07-06 ニッタン株式会社 環境異常検出装置
US5019805A (en) * 1989-02-03 1991-05-28 Flash-Alert Inc. Smoke detector with strobed visual alarm and remote alarm coupling
US6188318B1 (en) 1999-06-29 2001-02-13 Pittway Corp. Dual-technology intrusion detector with pet immunity
CN102455288B (zh) * 2010-10-15 2014-10-15 西门子公司 通过在线信号电平监控对传感器装置的光电信号路径进行校准
DE102014019172B4 (de) 2014-12-17 2023-12-07 Elmos Semiconductor Se Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem
DE102014019773B4 (de) 2014-12-17 2023-12-07 Elmos Semiconductor Se Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735007A (en) * 1956-02-14 Time-base generator
US2811711A (en) * 1951-05-19 1957-10-29 Electronics Corp America Fire method and apparatus
US3582676A (en) * 1968-09-24 1971-06-01 Bendix Corp Pulse length normalizing and short pulse eliminating circuit
US3531692A (en) * 1969-03-03 1970-09-29 Combustion Eng Activity detector having increased accuracy of response
JPS482587U (xx) * 1971-05-25 1973-01-12

Also Published As

Publication number Publication date
BE812331A (fr) 1974-07-01
CA1063260A (en) 1979-09-25
DE2408374B2 (de) 1978-06-01
FR2223766B1 (xx) 1978-12-01
ES425125A1 (es) 1976-06-16
DK137099B (da) 1978-01-16
NO136383C (no) 1977-08-31
ZA741754B (en) 1975-01-29
DE2408374A1 (de) 1974-10-17
ATA144074A (de) 1977-04-15
SE389569B (sv) 1976-11-08
JPS5619671B2 (xx) 1981-05-08
AU6689674A (en) 1975-09-25
GB1430035A (en) 1976-03-31
NO741081L (no) 1974-10-01
CH570016A5 (xx) 1975-11-28
IT1014554B (it) 1977-04-30
NL7403973A (xx) 1974-10-02
AT340807B (de) 1978-01-10
JPS49131099A (xx) 1974-12-16
FI55420C (fi) 1979-07-10
DK137099C (xx) 1978-06-12
US3872449A (en) 1975-03-18
FI55420B (fi) 1979-03-30
FR2223766A1 (xx) 1974-10-25

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