CH269678A - Installation automatique d'alerte en cas d'incendie. - Google Patents

Installation automatique d'alerte en cas d'incendie.

Info

Publication number
CH269678A
CH269678A CH269678DA CH269678A CH 269678 A CH269678 A CH 269678A CH 269678D A CH269678D A CH 269678DA CH 269678 A CH269678 A CH 269678A
Authority
CH
Switzerland
Prior art keywords
alarm system
fire alarm
automatic fire
automatic
fire
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
Thomas-J Tate
Original Assignee
Tate Thomas J
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 Tate Thomas J filed Critical Tate Thomas J
Publication of CH269678A publication Critical patent/CH269678A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Fire Alarms (AREA)
CH269678D 1948-04-06 1948-04-10 Installation automatique d'alerte en cas d'incendie. CH269678A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB963148A GB647852A (en) 1948-04-06 1948-04-06 Fire alarm signal systems

Publications (1)

Publication Number Publication Date
CH269678A true CH269678A (fr) 1950-07-15

Family

ID=9875708

Family Applications (1)

Application Number Title Priority Date Filing Date
CH269678D CH269678A (fr) 1948-04-06 1948-04-10 Installation automatique d'alerte en cas d'incendie.

Country Status (3)

Country Link
CH (1) CH269678A (nl)
FR (1) FR964612A (nl)
GB (1) GB647852A (nl)

Also Published As

Publication number Publication date
FR964612A (nl) 1950-08-19
GB647852A (en) 1950-12-20

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