DK124289B - Electrical alarm system. - Google Patents

Electrical alarm system.

Info

Publication number
DK124289B
DK124289B DK449767A DK449767A DK124289B DK 124289 B DK124289 B DK 124289B DK 449767 A DK449767 A DK 449767A DK 449767 A DK449767 A DK 449767A DK 124289 B DK124289 B DK 124289B
Authority
DK
Denmark
Prior art keywords
alarm system
electrical alarm
electrical
alarm
Prior art date
Application number
DK449767A
Other languages
Danish (da)
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
Application filed by Danske Securitas As filed Critical Danske Securitas As
Priority to DK449767A priority Critical patent/DK124289B/en
Priority to SE1182168A priority patent/SE341733B/xx
Priority to GB4265468A priority patent/GB1241585A/en
Publication of DK124289B publication Critical patent/DK124289B/en

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)
  • Alarm Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
DK449767A 1967-09-07 1967-09-07 Electrical alarm system. DK124289B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DK449767A DK124289B (en) 1967-09-07 1967-09-07 Electrical alarm system.
SE1182168A SE341733B (en) 1967-09-07 1968-09-03
GB4265468A GB1241585A (en) 1967-09-07 1968-09-06 A method of transmitting supervisory and alarm signals in an electric alarm system and a system for carrying the method into effect

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK449767A DK124289B (en) 1967-09-07 1967-09-07 Electrical alarm system.

Publications (1)

Publication Number Publication Date
DK124289B true DK124289B (en) 1972-10-02

Family

ID=8134070

Family Applications (1)

Application Number Title Priority Date Filing Date
DK449767A DK124289B (en) 1967-09-07 1967-09-07 Electrical alarm system.

Country Status (3)

Country Link
DK (1) DK124289B (en)
GB (1) GB1241585A (en)
SE (1) SE341733B (en)

Also Published As

Publication number Publication date
SE341733B (en) 1972-01-10
GB1241585A (en) 1971-08-04

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