SE7414903L - - Google Patents

Info

Publication number
SE7414903L
SE7414903L SE7414903A SE7414903A SE7414903L SE 7414903 L SE7414903 L SE 7414903L SE 7414903 A SE7414903 A SE 7414903A SE 7414903 A SE7414903 A SE 7414903A SE 7414903 L SE7414903 L SE 7414903L
Authority
SE
Sweden
Application number
SE7414903A
Other languages
Unknown language ( )
Inventor
G R H E Meumann
Original Assignee
Neumann Elektronik Gmbh
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 Neumann Elektronik Gmbh filed Critical Neumann Elektronik Gmbh
Publication of SE7414903L publication Critical patent/SE7414903L/

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)
SE7414903A 1973-11-30 1974-11-27 SE7414903L (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2359669A DE2359669A1 (de) 1973-11-30 1973-11-30 Verfahren zum betrieb einer notrufsaeule, insbesondere an landstrassen, sowie einrichtung zur durchfuehrung des verfahrens

Publications (1)

Publication Number Publication Date
SE7414903L true SE7414903L (de) 1975-06-02

Family

ID=5899497

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7414903A SE7414903L (de) 1973-11-30 1974-11-27

Country Status (4)

Country Link
DE (1) DE2359669A1 (de)
FI (1) FI68174A (de)
NO (1) NO743914L (de)
SE (1) SE7414903L (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2440129A1 (fr) * 1978-10-26 1980-05-23 Clavel Roger Perfectionnements aux postes telephoniques d'appel d'urgence
FR2468260B1 (fr) * 1979-10-25 1987-11-27 Seriee Installation et procede de controle automatique de l'etat d'une ligne telephonique
DE19541400C1 (de) * 1995-11-07 1997-02-13 Neumann Elektronik Gmbh Informations-Notrufanlage

Also Published As

Publication number Publication date
NO743914L (de) 1975-06-23
DE2359669A1 (de) 1975-06-05
FI68174A (de) 1975-05-31

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Legal Events

Date Code Title Description
NAV Patent application has lapsed

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