CH162598A - Alarmvorrichtung. - Google Patents

Alarmvorrichtung.

Info

Publication number
CH162598A
CH162598A CH162598DA CH162598A CH 162598 A CH162598 A CH 162598A CH 162598D A CH162598D A CH 162598DA CH 162598 A CH162598 A CH 162598A
Authority
CH
Switzerland
Prior art keywords
alarm device
alarm
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Huemer Ludwig
Original Assignee
Huemer Ludwig
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 Huemer Ludwig filed Critical Huemer Ludwig
Publication of CH162598A publication Critical patent/CH162598A/de

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)
CH162598D 1930-08-30 1931-08-28 Alarmvorrichtung. CH162598A (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE1930H0040230 DE567446C (de) 1930-08-30 1930-08-30 Alarmvorrichtung zur automatischen UEbermittlung eines Alarmrufes ueber die Teilnehmerleitung eines Selbstanschlussfernsprechnetzes
CH162598T 1931-08-28
GB25787/31A GB377489A (en) 1930-08-30 1931-09-14 Improvements in alarm devices for use in connection with telephone systems

Publications (1)

Publication Number Publication Date
CH162598A true CH162598A (de) 1933-06-30

Family

ID=10233294

Family Applications (1)

Application Number Title Priority Date Filing Date
CH162598D CH162598A (de) 1930-08-30 1931-08-28 Alarmvorrichtung.

Country Status (5)

Country Link
BE (1) BE382314A (enEXAMPLES)
CH (1) CH162598A (enEXAMPLES)
DE (1) DE567446C (enEXAMPLES)
FR (1) FR722639A (enEXAMPLES)
GB (1) GB377489A (enEXAMPLES)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE896065C (de) * 1950-06-07 1953-11-09 Samuel Dunseith Mckellen Alarmvorrichtung mit Waehlern zum selbsttaetigen Fernmeldeanschluss
DE1035700B (de) * 1955-09-23 1958-08-07 Siemens Ag Schaltungsanordnung zur Abgabe von Meldungen ueber Fernsprechleitungen

Also Published As

Publication number Publication date
DE567446C (de) 1933-01-03
BE382314A (enEXAMPLES) 1931-09-30
GB377489A (en) 1932-07-28
FR722639A (fr) 1932-03-26

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