FR728032A - Avertisseur automatique d'incendie par la fumée - Google Patents

Avertisseur automatique d'incendie par la fumée

Info

Publication number
FR728032A
FR728032A FR728032DA FR728032A FR 728032 A FR728032 A FR 728032A FR 728032D A FR728032D A FR 728032DA FR 728032 A FR728032 A FR 728032A
Authority
FR
France
Prior art keywords
fire alarm
smoke fire
automatic smoke
automatic
alarm
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Minimax AG
Original Assignee
Minimax AG
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 Minimax AG filed Critical Minimax AG
Application granted granted Critical
Publication of FR728032A publication Critical patent/FR728032A/fr
Expired legal-status Critical Current

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR728032D 1930-12-09 1931-12-09 Avertisseur automatique d'incendie par la fumée Expired FR728032A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE728032T 1930-12-09

Publications (1)

Publication Number Publication Date
FR728032A true FR728032A (fr) 1932-06-28

Family

ID=41682672

Family Applications (1)

Application Number Title Priority Date Filing Date
FR728032D Expired FR728032A (fr) 1930-12-09 1931-12-09 Avertisseur automatique d'incendie par la fumée

Country Status (2)

Country Link
DE (1) DE580130C (fr)
FR (1) FR728032A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2485588A (en) * 1944-12-23 1949-10-25 Specialties Dev Corp Apparatus for visual detection of illuminated suspended matter in fluids
US2486946A (en) * 1944-08-26 1949-11-01 Texas Co Measurement of penetrative radiation
US2549866A (en) * 1944-12-23 1951-04-24 Specialties Dev Corp Apparatus for visual detection of illuminated suspended matter in fluids
US3177760A (en) * 1963-02-07 1965-04-13 Ex Cell O Corp Apparatus embodying plural light paths for measuring the turbidity of a fluid

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2486946A (en) * 1944-08-26 1949-11-01 Texas Co Measurement of penetrative radiation
US2485588A (en) * 1944-12-23 1949-10-25 Specialties Dev Corp Apparatus for visual detection of illuminated suspended matter in fluids
US2549866A (en) * 1944-12-23 1951-04-24 Specialties Dev Corp Apparatus for visual detection of illuminated suspended matter in fluids
US3177760A (en) * 1963-02-07 1965-04-13 Ex Cell O Corp Apparatus embodying plural light paths for measuring the turbidity of a fluid

Also Published As

Publication number Publication date
DE580130C (de) 1933-07-06

Similar Documents

Publication Publication Date Title
FR635827A (fr) Extincteur d'incendie automatique
FR728032A (fr) Avertisseur automatique d'incendie par la fumée
FR726484A (fr) Indicateur de la densité de fumées
FR699330A (fr) Avertisseur automatique d'incendie
FR698388A (fr) Extincteur automatique d'incendie
FR700699A (fr) Extincteur d'incendie automatique
FR608846A (fr) Avertisseur extincteur automatique d'incendie
FR735091A (fr) Extincteur d'incendie automatique
FR604353A (fr) Avertisseur automatique d'incendie
FR723852A (fr) Contacteur automatique avertisseur d'incendie
FR33622E (fr) Avertisseur automatique d'incendie
FR624831A (fr) Avertisseur automatique d'incendie
FR734211A (fr) Avertisseur automatique d'incendie
FR739092A (fr) Avertisseur automatique d'incendie
FR755180A (fr) Avertisseur automatique d'incendie
AT127093B (de) Selbsttätiger Feuermelder.
FR687660A (fr) Extincteur d'incendie
FR695696A (fr) Extincteur d'incendie
FR696849A (fr) Extincteur d'incendie
FR712312A (fr) Extincteur d'incendie
FR668204A (fr) Extincteur automatique d'incendie
FR609899A (fr) Extincteur automatique d'incendie
DK45463C (da) Automatisk Brandalarmsystem.
DK46368C (da) Automatisk Brandalarmanlæg.
FR33115E (fr) Perfectionnements aux avertisseurs automatiques d'incendie