CH372954A - Lichtelektrischer Rauchmelder - Google Patents

Lichtelektrischer Rauchmelder

Info

Publication number
CH372954A
CH372954A CH7877759A CH7877759A CH372954A CH 372954 A CH372954 A CH 372954A CH 7877759 A CH7877759 A CH 7877759A CH 7877759 A CH7877759 A CH 7877759A CH 372954 A CH372954 A CH 372954A
Authority
CH
Switzerland
Prior art keywords
smoke
collecting funnel
beam path
chamber
light source
Prior art date
Application number
CH7877759A
Other languages
German (de)
English (en)
Inventor
Schultz Gerhardt
Original Assignee
D H W Schultz & Sohn
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 D H W Schultz & Sohn filed Critical D H W Schultz & Sohn
Publication of CH372954A publication Critical patent/CH372954A/de

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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 SYSTEMS, e.g. PERSONAL 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)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CH7877759A 1958-12-24 1959-09-30 Lichtelektrischer Rauchmelder CH372954A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DESCH25254A DE1078017B (de) 1958-12-24 1958-12-24 Lichtelektrischer Rauchmelder

Publications (1)

Publication Number Publication Date
CH372954A true CH372954A (de) 1963-10-31

Family

ID=7430102

Family Applications (1)

Application Number Title Priority Date Filing Date
CH7877759A CH372954A (de) 1958-12-24 1959-09-30 Lichtelektrischer Rauchmelder

Country Status (3)

Country Link
BE (1) BE584030A (fr)
CH (1) CH372954A (fr)
DE (1) DE1078017B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH546989A (de) * 1972-12-06 1974-03-15 Cerberus Ag Verfahren und vorrichtung zur brandmeldung.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE699466C (de) * 1937-06-29 1940-11-29 Minimax Akt Ges Rauchmeldeeinrichtung
DE1700174U (de) * 1953-04-18 1955-06-08 Durag Appbau G M B H Rauchmeldeglocke.
DE1038454B (de) 1954-02-20 1958-09-04 Fritz Link Elektrogeraetebau Lichtelektrische Meldeeinrichtung fuer truebstoffangereicherte Raumluft, insbesondere Rauchmeldeeinrichtung

Also Published As

Publication number Publication date
BE584030A (fr) 1960-02-15
DE1078017B (de) 1960-03-17

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