CH469315A - Alarm transmission system - Google Patents

Alarm transmission system

Info

Publication number
CH469315A
CH469315A CH1778367A CH1778367A CH469315A CH 469315 A CH469315 A CH 469315A CH 1778367 A CH1778367 A CH 1778367A CH 1778367 A CH1778367 A CH 1778367A CH 469315 A CH469315 A CH 469315A
Authority
CH
Switzerland
Prior art keywords
transmission system
alarm transmission
alarm
transmission
Prior art date
Application number
CH1778367A
Other languages
German (de)
Inventor
Witalis Grundin Ivan
Tolly Hjelm Hilding
Uno Tinglof Gustaf
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of CH469315A publication Critical patent/CH469315A/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
    • H04M11/045—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems using recorded signals, e.g. speech

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
CH1778367A 1966-12-21 1967-12-19 Alarm transmission system CH469315A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1746066A SE314615B (en) 1966-12-21 1966-12-21

Publications (1)

Publication Number Publication Date
CH469315A true CH469315A (en) 1969-02-28

Family

ID=20303645

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1778367A CH469315A (en) 1966-12-21 1967-12-19 Alarm transmission system

Country Status (5)

Country Link
CH (1) CH469315A (en)
DE (1) DE1537912A1 (en)
DK (1) DK117334B (en)
NO (1) NO119828B (en)
SE (1) SE314615B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2810875C2 (en) * 1978-03-13 1982-11-18 Berliner Bank Ag, 1000 Berlin Remote alarm system

Also Published As

Publication number Publication date
SE314615B (en) 1969-09-08
NO119828B (en) 1970-07-06
DE1537912A1 (en) 1970-03-05
DK117334B (en) 1970-04-13

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