NO173674C - Ionisasjonsroekdetektor - Google Patents

Ionisasjonsroekdetektor

Info

Publication number
NO173674C
NO173674C NO885774A NO885774A NO173674C NO 173674 C NO173674 C NO 173674C NO 885774 A NO885774 A NO 885774A NO 885774 A NO885774 A NO 885774A NO 173674 C NO173674 C NO 173674C
Authority
NO
Norway
Prior art keywords
ionisasjonsroekdetektor
Prior art date
Application number
NO885774A
Other languages
English (en)
Other versions
NO173674B (no
NO885774L (no
Inventor
Yoshinori Kaminaka
Hiroshi Yashima
Satoru Koizumi
Tetsuya Nagashima
Yoshihito Hirai
Tetsuji Sato
Original Assignee
Hochiki Kabushiki Keisha
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 Kabushiki Keisha filed Critical Hochiki Kabushiki Keisha
Publication of NO885774L publication Critical patent/NO885774L/no
Publication of NO173674B publication Critical patent/NO173674B/no
Publication of NO173674C publication Critical patent/NO173674C/no

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR 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
    • G08B17/113—Constructional details

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)
  • Steroid Compounds (AREA)
  • Catalysts (AREA)
NO885774A 1987-12-26 1988-12-27 Ionisasjonsroekdetektor NO173674C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987198632U JPH01102991U (no) 1987-12-26 1987-12-26

Publications (3)

Publication Number Publication Date
NO885774L NO885774L (no) 1989-06-27
NO173674B NO173674B (no) 1993-10-04
NO173674C true NO173674C (no) 1994-01-12

Family

ID=16394430

Family Applications (1)

Application Number Title Priority Date Filing Date
NO885774A NO173674C (no) 1987-12-26 1988-12-27 Ionisasjonsroekdetektor

Country Status (10)

Country Link
US (1) US4914425A (no)
JP (1) JPH01102991U (no)
AT (1) AT402576B (no)
AU (1) AU606771B2 (no)
CH (1) CH677160A5 (no)
DE (1) DE3843297C2 (no)
FI (1) FI91196C (no)
FR (1) FR2625353B1 (no)
GB (1) GB2212657B (no)
NO (1) NO173674C (no)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4937562A (en) * 1987-12-26 1990-06-26 Hochiki Corp. Moisture-proof ionization smoke detector
JPH01171099A (ja) * 1987-12-26 1989-07-06 Hochiki Corp イオン化式煙感知器の防湿構造
JPH02307198A (ja) * 1989-05-22 1990-12-20 Hochiki Corp イオン化式煙感知器
JPH03196292A (ja) * 1989-12-25 1991-08-27 Hochiki Corp イオン化式煙感知器
US5425582A (en) * 1992-01-31 1995-06-20 Hochiki Kabushiki Kaisha Thermal detector and method of producing the same
US5485144A (en) * 1993-05-07 1996-01-16 Pittway Corporation Compensated ionization sensor
JP3210868B2 (ja) * 1996-10-11 2001-09-25 ニッタン株式会社 イオン化式煙感知器
US5880676A (en) * 1997-06-09 1999-03-09 Tsou; Peiki F. Christmas tree ornament-shaped fire alarm
US6778091B2 (en) 2001-01-09 2004-08-17 Qualey, Iii James R. Smoke chamber
DE10319688B4 (de) * 2003-05-02 2007-01-11 Airbus Deutschland Gmbh Vorrichtung zur permanenten Überwachung eines in einem Flugzeug angeordneten Rauchdetektors
DE102006023048C5 (de) * 2006-05-17 2014-12-11 Techem Energy Services Gmbh Brandwarnmelder und Verfahren zur Überprüfung dessen Funktionsfähigkeit
JP2008102575A (ja) * 2006-10-17 2008-05-01 Yazaki Corp 火災警報器
US7592922B2 (en) * 2007-01-18 2009-09-22 Michael E. La Vigne Smoke detector guard concentrator
US11385211B2 (en) * 2019-04-05 2022-07-12 Hochiki Corporation Detector

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH475614A (de) * 1968-06-18 1969-07-15 Cerberus Ag Werke Fuer Elektro Ionisationsfeuermelder
CH486082A (de) * 1969-05-19 1970-02-15 Cerberus Ag Ionisationsfeuermelder
US3728706A (en) * 1970-09-28 1973-04-17 Gen Signal Corp System for indicating aerosols in the atmosphere
IL52357A (en) * 1976-07-02 1979-11-30 Chloride Group Ltd Ionisation detector chamber
GB2014782B (en) * 1978-01-05 1982-06-23 Sound Diffusion Ltd Ionization smoke detectors
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
JPS569053U (no) * 1979-06-30 1981-01-26
US4396840A (en) * 1980-10-01 1983-08-02 Matsushita Electric Works, Ltd. Ionization type smoke sensing device
US4623878A (en) * 1982-06-28 1986-11-18 Henry Schoenwetter Christmas tree mounted smoke detector
US4761557A (en) * 1985-08-24 1988-08-02 Kohmi Bosai Kogyo Co., Ltd. Ionization-type smoke detector

Also Published As

Publication number Publication date
GB2212657B (en) 1992-03-25
FR2625353A1 (fr) 1989-06-30
CH677160A5 (no) 1991-04-15
FI885805A0 (fi) 1988-12-15
JPH01102991U (no) 1989-07-12
AU606771B2 (en) 1991-02-14
FI91196C (fi) 1994-05-25
US4914425A (en) 1990-04-03
FR2625353B1 (fr) 1995-01-13
NO173674B (no) 1993-10-04
FI885805A (fi) 1989-06-27
AU2689288A (en) 1989-06-29
ATA312688A (de) 1996-10-15
GB2212657A (en) 1989-07-26
GB8830036D0 (en) 1989-02-15
DE3843297C2 (de) 1997-12-18
DE3843297A1 (de) 1989-07-13
AT402576B (de) 1997-06-25
NO885774L (no) 1989-06-27
FI91196B (fi) 1994-02-15

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Legal Events

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MM1K Lapsed by not paying the annual fees

Free format text: LAPSED IN JUNE 2002