CH258736A - Alarmanlage mit zweidrähtigen Leitungsschleifen. - Google Patents

Alarmanlage mit zweidrähtigen Leitungsschleifen.

Info

Publication number
CH258736A
CH258736A CH258736DA CH258736A CH 258736 A CH258736 A CH 258736A CH 258736D A CH258736D A CH 258736DA CH 258736 A CH258736 A CH 258736A
Authority
CH
Switzerland
Prior art keywords
alarm system
wire cable
cable loops
loops
wire
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Claesson Harry
Original Assignee
Claesson Harry
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 Claesson Harry filed Critical Claesson Harry
Publication of CH258736A publication Critical patent/CH258736A/de

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/10—Monitoring of the annunciator circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
CH258736D 1946-03-26 1946-01-17 Alarmanlage mit zweidrähtigen Leitungsschleifen. CH258736A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR924426T 1946-03-26

Publications (1)

Publication Number Publication Date
CH258736A true CH258736A (de) 1948-12-15

Family

ID=9439390

Family Applications (1)

Application Number Title Priority Date Filing Date
CH258736D CH258736A (de) 1946-03-26 1946-01-17 Alarmanlage mit zweidrähtigen Leitungsschleifen.

Country Status (3)

Country Link
BE (1) BE465713A (en)van)
CH (1) CH258736A (en)van)
FR (1) FR924426A (en)van)

Also Published As

Publication number Publication date
BE465713A (en)van)
FR924426A (fr) 1947-08-05

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