SE317012B - - Google Patents

Info

Publication number
SE317012B
SE317012B SE271965A SE271965A SE317012B SE 317012 B SE317012 B SE 317012B SE 271965 A SE271965 A SE 271965A SE 271965 A SE271965 A SE 271965A SE 317012 B SE317012 B SE 317012B
Authority
SE
Sweden
Prior art keywords
march
amplifier
bridge
test
securitas
Prior art date
Application number
SE271965A
Other languages
English (en)
Inventor
S Meyer
Original Assignee
Danske Securitas As
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
Priority claimed from DK116964AA external-priority patent/DK110225C/da
Application filed by Danske Securitas As filed Critical Danske Securitas As
Publication of SE317012B publication Critical patent/SE317012B/xx

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
    • G08B17/11—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)
SE271965A 1964-03-07 1965-03-02 SE317012B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK116964AA DK110225C (da) 1961-12-30 1964-03-07 Elektrisk alarmanlæg, fortrinsvis til brandalarmering.

Publications (1)

Publication Number Publication Date
SE317012B true SE317012B (de) 1969-11-03

Family

ID=8101775

Family Applications (1)

Application Number Title Priority Date Filing Date
SE271965A SE317012B (de) 1964-03-07 1965-03-02

Country Status (3)

Country Link
AT (1) AT260068B (de)
GB (1) GB1062832A (de)
SE (1) SE317012B (de)

Also Published As

Publication number Publication date
AT260068B (de) 1968-02-12
GB1062832A (en) 1967-03-22

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