IT1084772B - Rivelatore di fumo comandato ad impulsi - Google Patents

Rivelatore di fumo comandato ad impulsi

Info

Publication number
IT1084772B
IT1084772B IT27695/77A IT2769577A IT1084772B IT 1084772 B IT1084772 B IT 1084772B IT 27695/77 A IT27695/77 A IT 27695/77A IT 2769577 A IT2769577 A IT 2769577A IT 1084772 B IT1084772 B IT 1084772B
Authority
IT
Italy
Prior art keywords
pulse
smoke detector
controlled smoke
controlled
detector
Prior art date
Application number
IT27695/77A
Other languages
English (en)
Original Assignee
Solomon Elias E
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 Solomon Elias E filed Critical Solomon Elias E
Application granted granted Critical
Publication of IT1084772B publication Critical patent/IT1084772B/it

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
    • 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

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire Alarms (AREA)
IT27695/77A 1976-09-20 1977-09-19 Rivelatore di fumo comandato ad impulsi IT1084772B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/725,036 US4126790A (en) 1976-09-20 1976-09-20 Strobed smoke detector

Publications (1)

Publication Number Publication Date
IT1084772B true IT1084772B (it) 1985-05-28

Family

ID=24912887

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27695/77A IT1084772B (it) 1976-09-20 1977-09-19 Rivelatore di fumo comandato ad impulsi

Country Status (9)

Country Link
US (1) US4126790A (it)
JP (2) JPS5338389A (it)
AU (1) AU511670B2 (it)
DE (1) DE2742338A1 (it)
FR (1) FR2364671A1 (it)
GB (1) GB1593185A (it)
IT (1) IT1084772B (it)
NL (1) NL7710287A (it)
SE (1) SE7710477L (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4300133A (en) * 1977-03-28 1981-11-10 Solomon Elias E Smoke detector
AU533232B2 (en) * 1979-06-27 1983-11-10 Hochiki Kabushiki Kaisha Photoelectric detector
EP0064333A1 (en) * 1981-04-16 1982-11-10 Apollo Manufacturing Limited Circuitry including charge storage means for boosting a limited current supplied to a load
EP0076338A1 (en) * 1981-10-05 1983-04-13 Gamewell Corporation Broad-spectrum particle detector
JPS5963792U (ja) * 1982-10-22 1984-04-26 ニツタン株式会社 光電式煙検出端末機
IT212760Z2 (it) * 1985-02-13 1989-09-20 Salutati Giovanni Pistolozzi M Sistema di protezione contro le fughe di gas 'protector-gas'
JPH0371769U (it) * 1989-11-14 1991-07-19
JPH0495377U (it) * 1991-01-10 1992-08-18
JPH08111047A (ja) * 1994-10-12 1996-04-30 Hitachi Ltd 磁気記録再生装置
US10019891B1 (en) * 2017-03-29 2018-07-10 Google Llc Smoke detector for distinguishing between an alarm condition and a nuisance condition

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3585621A (en) * 1968-02-13 1971-06-15 Mrs Louis J Dicello Smoke detector
US3846773A (en) * 1972-08-18 1974-11-05 W Lintelmann Battery operated surveillance device
US3919702A (en) * 1974-03-18 1975-11-11 Reliance Instr Manufacturing C Smoke detector
US3973852A (en) * 1974-08-30 1976-08-10 The Dow Chemical Company Method and apparatus for measuring particulate concentration in the atmosphere
US4011458A (en) * 1975-10-09 1977-03-08 Pyrotector, Incorporated Photoelectric detector with light source intensity regulation

Also Published As

Publication number Publication date
SE7710477L (sv) 1978-03-21
FR2364671B3 (it) 1980-06-13
US4126790A (en) 1978-11-21
JPS5338389A (en) 1978-04-08
DE2742338A1 (de) 1978-03-23
NL7710287A (nl) 1978-03-22
AU2895177A (en) 1979-03-29
FR2364671A1 (fr) 1978-04-14
AU511670B2 (en) 1980-08-28
GB1593185A (en) 1981-07-15
JPS5911391U (ja) 1984-01-24

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