FI885805A0 - Ionisaatiosavuilmaisin - Google Patents

Ionisaatiosavuilmaisin

Info

Publication number
FI885805A0
FI885805A0 FI885805A FI885805A FI885805A0 FI 885805 A0 FI885805 A0 FI 885805A0 FI 885805 A FI885805 A FI 885805A FI 885805 A FI885805 A FI 885805A FI 885805 A0 FI885805 A0 FI 885805A0
Authority
FI
Finland
Prior art keywords
ionisaatiosavuilmaisin
Prior art date
Application number
FI885805A
Other languages
English (en)
Swedish (sv)
Other versions
FI885805A (fi
FI91196C (fi
FI91196B (fi
Inventor
Yoshinori Kaminaka
Hiroshi Yashima
Satoru Koizumi
Tetsuya Nagashima
Yoshihito Hirai
Tetsuji Sato
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 FI885805A0 publication Critical patent/FI885805A0/fi
Publication of FI885805A publication Critical patent/FI885805A/fi
Application granted granted Critical
Publication of FI91196B publication Critical patent/FI91196B/fi
Publication of FI91196C publication Critical patent/FI91196C/fi

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)
  • Catalysts (AREA)
  • Steroid Compounds (AREA)
FI885805A 1987-12-26 1988-12-15 Ionisaatiosavuilmaisin FI91196C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP19863287 1987-12-26
JP1987198632U JPH01102991U (fi) 1987-12-26 1987-12-26

Publications (4)

Publication Number Publication Date
FI885805A0 true FI885805A0 (fi) 1988-12-15
FI885805A FI885805A (fi) 1989-06-27
FI91196B FI91196B (fi) 1994-02-15
FI91196C FI91196C (fi) 1994-05-25

Family

ID=16394430

Family Applications (1)

Application Number Title Priority Date Filing Date
FI885805A FI91196C (fi) 1987-12-26 1988-12-15 Ionisaatiosavuilmaisin

Country Status (10)

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

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 (fi) * 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
AU2689288A (en) 1989-06-29
GB2212657B (en) 1992-03-25
AT402576B (de) 1997-06-25
JPH01102991U (fi) 1989-07-12
ATA312688A (de) 1996-10-15
FI885805A (fi) 1989-06-27
NO173674C (no) 1994-01-12
CH677160A5 (fi) 1991-04-15
FI91196C (fi) 1994-05-25
DE3843297A1 (de) 1989-07-13
FR2625353A1 (fr) 1989-06-30
FR2625353B1 (fr) 1995-01-13
NO173674B (no) 1993-10-04
NO885774L (no) 1989-06-27
DE3843297C2 (de) 1997-12-18
GB8830036D0 (en) 1989-02-15
FI91196B (fi) 1994-02-15
GB2212657A (en) 1989-07-26
AU606771B2 (en) 1991-02-14
US4914425A (en) 1990-04-03

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Legal Events

Date Code Title Description
BB Publication of examined application
MM Patent lapsed

Owner name: HOCHIKI KABUSHIKI KAISHA