SE7601366L - Hogimpedanskretsanordning med joniseringsrokkennare - Google Patents

Hogimpedanskretsanordning med joniseringsrokkennare

Info

Publication number
SE7601366L
SE7601366L SE7601366A SE7601366A SE7601366L SE 7601366 L SE7601366 L SE 7601366L SE 7601366 A SE7601366 A SE 7601366A SE 7601366 A SE7601366 A SE 7601366A SE 7601366 L SE7601366 L SE 7601366L
Authority
SE
Sweden
Prior art keywords
rocker
ionization
circuit device
high impedance
impedance circuit
Prior art date
Application number
SE7601366A
Other languages
English (en)
Other versions
SE408736B (sv
Inventor
A Miyabe
Original Assignee
Hochiki Co
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 Hochiki Co filed Critical Hochiki Co
Publication of SE7601366L publication Critical patent/SE7601366L/sv
Publication of SE408736B publication Critical patent/SE408736B/sv

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11—Actuation 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)
SE7601366A 1975-02-10 1976-02-09 Hogimpedanskretsanordning med joniseringsrokkennare SE408736B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1975017774U JPS51100085U (sv) 1975-02-10 1975-02-10

Publications (2)

Publication Number Publication Date
SE7601366L true SE7601366L (sv) 1976-08-11
SE408736B SE408736B (sv) 1979-07-02

Family

ID=11953049

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7601366A SE408736B (sv) 1975-02-10 1976-02-09 Hogimpedanskretsanordning med joniseringsrokkennare

Country Status (10)

Country Link
US (1) US4041479A (sv)
JP (1) JPS51100085U (sv)
AU (1) AU497142B2 (sv)
CH (1) CH599644A5 (sv)
DE (1) DE2604753A1 (sv)
FR (1) FR2299879A1 (sv)
GB (1) GB1535559A (sv)
NL (1) NL7601261A (sv)
NO (1) NO142464C (sv)
SE (1) SE408736B (sv)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2386874A1 (fr) * 1977-04-08 1978-11-03 Gamma Electronic Detecteur de fumees a ionisation associe a un circuit electronique de mesure velocimetrique
JPS5760147Y2 (sv) * 1977-07-04 1982-12-22
US4300132A (en) * 1978-02-03 1981-11-10 Hochiki Corporation Fire alarm system
JPS5831275Y2 (ja) * 1978-08-26 1983-07-11 ホーチキ株式会社 イオン化式煙感知器
CA1148279A (en) * 1979-12-14 1983-06-14 Andreas Scheidweiler Ionization smoke detector with increased operational reliability
GB2138570B (en) * 1983-04-19 1987-10-28 Emi Ltd Smoke detector
US4924098A (en) * 1987-11-30 1990-05-08 Radiation Detectors, Inc. Nuclear radiation level detector
DE4028167A1 (de) * 1990-09-05 1992-03-12 Esser Sicherheitstechnik Ionisationsbrandmelder
CH681932A5 (sv) * 1990-12-04 1993-06-15 Cerberus Ag
US5485144A (en) * 1993-05-07 1996-01-16 Pittway Corporation Compensated ionization sensor
CN105307094B (zh) * 2015-11-01 2018-08-31 包钢 一种电子警报器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3717862A (en) * 1969-10-16 1973-02-20 Nittan Co Ltd Fire detecting system and testing means therefor
US3728703A (en) * 1970-10-12 1973-04-17 Edward Co Inc Fire detector stabilizer circuit
GB1378652A (en) * 1971-03-03 1974-12-27 Rotax Ltd Thyristor circuit
US3906474A (en) * 1973-05-07 1975-09-16 Fire Alert Company Combustion products alarm

Also Published As

Publication number Publication date
NL7601261A (nl) 1976-08-12
CH599644A5 (sv) 1978-05-31
AU497142B2 (en) 1978-11-30
NO142464B (no) 1980-05-12
FR2299879B1 (sv) 1980-06-27
US4041479A (en) 1977-08-09
SE408736B (sv) 1979-07-02
NO142464C (no) 1980-08-20
JPS51100085U (sv) 1976-08-11
GB1535559A (en) 1978-12-13
AU1086076A (en) 1977-08-11
DE2604753A1 (de) 1976-08-19
NO760407L (sv) 1976-08-11
FR2299879A1 (fr) 1976-09-03

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