NO163428C - Analogtvirkende branndetektor. - Google Patents

Analogtvirkende branndetektor.

Info

Publication number
NO163428C
NO163428C NO844662A NO844662A NO163428C NO 163428 C NO163428 C NO 163428C NO 844662 A NO844662 A NO 844662A NO 844662 A NO844662 A NO 844662A NO 163428 C NO163428 C NO 163428C
Authority
NO
Norway
Prior art keywords
fire detector
effective fire
analogue effective
analogue
detector
Prior art date
Application number
NO844662A
Other languages
English (en)
Norwegian (no)
Other versions
NO844662L (no
NO163428B (no
Inventor
Sadataka Yuchi
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
Priority claimed from JP22525583A external-priority patent/JPS60115832A/ja
Priority claimed from JP8560484A external-priority patent/JPS60230038A/ja
Application filed by Hochiki Co filed Critical Hochiki Co
Publication of NO844662L publication Critical patent/NO844662L/no
Publication of NO163428B publication Critical patent/NO163428B/no
Publication of NO163428C publication Critical patent/NO163428C/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
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke

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)
NO844662A 1983-11-29 1984-11-22 Analogtvirkende branndetektor. NO163428C (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP22525583A JPS60115832A (ja) 1983-11-29 1983-11-29 光電式アナログ煙感知器
JP8560484A JPS60230038A (ja) 1984-04-27 1984-04-27 光電式アナログ煙感知器の受光回路

Publications (3)

Publication Number Publication Date
NO844662L NO844662L (no) 1985-05-30
NO163428B NO163428B (no) 1990-02-12
NO163428C true NO163428C (no) 1990-05-23

Family

ID=26426615

Family Applications (1)

Application Number Title Priority Date Filing Date
NO844662A NO163428C (no) 1983-11-29 1984-11-22 Analogtvirkende branndetektor.

Country Status (7)

Country Link
US (1) US4616138A (fi)
AU (1) AU570282B2 (fi)
CH (1) CH660808A5 (fi)
DE (1) DE3443238A1 (fi)
FI (1) FI83459C (fi)
GB (1) GB2152722B (fi)
NO (1) NO163428C (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5227639A (en) * 1991-12-16 1993-07-13 Honeywell Inc. Infrared-based sensing circuit providing an output simulating the output of a flame rod sensor
US5506569A (en) * 1994-05-31 1996-04-09 Texas Instruments Incorporated Self-diagnostic flame rectification sensing circuit and method therefor
US6097360A (en) * 1998-03-19 2000-08-01 Holloman; Charles J Analog driver for LED or similar display element
JP4023684B2 (ja) * 2004-02-13 2007-12-19 ローム株式会社 周波数電流変換回路、及びそれを備えるイコライザ、光ディスク装置
WO2005111556A2 (en) * 2004-05-07 2005-11-24 Walter Kidde Portable Equipment, Inc. Flame detector with uv sensor
CN101171615A (zh) * 2005-05-10 2008-04-30 报知机股份有限公司 发声器
US9437093B2 (en) 2011-10-06 2016-09-06 Microchip Technology Incorporated Differential current measurements to determine ION current in the presence of leakage current
US9823280B2 (en) * 2011-12-21 2017-11-21 Microchip Technology Incorporated Current sensing with internal ADC capacitor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5311863B2 (fi) * 1971-11-22 1978-04-25
DE2635763A1 (de) * 1976-08-09 1978-02-16 Siemens Ag Brandmeldeanlage mit mehreren ueber eine meldeschleife betreibbaren meldern
JPS578421A (en) * 1980-06-20 1982-01-16 Toshiba Corp Flame detector

Also Published As

Publication number Publication date
AU3575384A (en) 1985-06-06
FI844650L (fi) 1985-05-30
AU570282B2 (en) 1988-03-10
GB2152722A (en) 1985-08-07
GB8430171D0 (en) 1985-01-09
FI844650A0 (fi) 1984-11-27
DE3443238A1 (de) 1985-07-11
NO844662L (no) 1985-05-30
CH660808A5 (fr) 1987-06-15
GB2152722B (en) 1987-10-14
FI83459B (fi) 1991-03-28
FI83459C (fi) 1991-07-10
US4616138A (en) 1986-10-07
NO163428B (no) 1990-02-12

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