ZA763862B - Photodiode smoke detector - Google Patents

Photodiode smoke detector

Info

Publication number
ZA763862B
ZA763862B ZA763862A ZA763862A ZA763862B ZA 763862 B ZA763862 B ZA 763862B ZA 763862 A ZA763862 A ZA 763862A ZA 763862 A ZA763862 A ZA 763862A ZA 763862 B ZA763862 B ZA 763862B
Authority
ZA
South Africa
Prior art keywords
photodiode
smoke detector
smoke
detector
photodiode smoke
Prior art date
Application number
ZA763862A
Inventor
V Podany
H Costa
Original Assignee
Gen Signal Corp
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 Gen Signal Corp filed Critical Gen Signal Corp
Publication of ZA763862B publication Critical patent/ZA763862B/en

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
    • 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
ZA763862A 1975-07-21 1976-06-29 Photodiode smoke detector ZA763862B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US59794975A 1975-07-21 1975-07-21

Publications (1)

Publication Number Publication Date
ZA763862B true ZA763862B (en) 1977-05-25

Family

ID=24393614

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA763862A ZA763862B (en) 1975-07-21 1976-06-29 Photodiode smoke detector

Country Status (3)

Country Link
AU (1) AU1550176A (en)
DE (1) DE2632876A1 (en)
ZA (1) ZA763862B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4149162A (en) * 1977-06-20 1979-04-10 American District Telegraph Company Battery discriminator circuit for smoke detectors
JPS6014398B2 (en) * 1981-03-18 1985-04-12 ホーチキ株式会社 photoelectric smoke detector
DE3334545A1 (en) * 1983-09-23 1985-04-04 Siemens AG, 1000 Berlin und 8000 München OPTICAL SMOKE DETECTOR
EP0145189B1 (en) * 1983-10-21 1990-08-08 COLE, Martin Terence Improvements relating to smoke detection apparatus
IL96129A0 (en) * 1990-07-20 1991-07-18 Spectronix Ltd Method and apparatus for detecting a fire,explosion,or projectile-penetration in a monitored space
DE29518042U1 (en) * 1995-11-14 1996-01-25 Wagner Alarm Sicherung Fire detector
DE19726518B4 (en) * 1997-06-23 2004-02-05 Suhr, Hajo, Prof. Dr. In situ microscope probe for particle measurement technology
DE19951403B4 (en) * 1999-10-26 2010-01-07 Schako Metallwarenfabrik Ferdinand Schad Kg Zweigniederlassung Kolbingen Method for detecting smoke
DE102011108389A1 (en) * 2011-07-22 2013-01-24 PPP "KB Pribor" Ltd. smoke detector
US8952821B2 (en) * 2012-04-29 2015-02-10 Valor Fire Safety, Llc Smoke detector utilizing ambient-light sensor, external sampling volume, and internally reflected light
EP3029647B1 (en) 2014-12-04 2017-05-31 Siemens Schweiz AG Open scattered light smoke detector, particularly with a sidelooker LED

Also Published As

Publication number Publication date
DE2632876A1 (en) 1977-01-27
AU1550176A (en) 1978-01-05

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