CH171187A - Surge transmitters for arranging the establishment of telephone connections. - Google Patents

Surge transmitters for arranging the establishment of telephone connections.

Info

Publication number
CH171187A
CH171187A CH171187DA CH171187A CH 171187 A CH171187 A CH 171187A CH 171187D A CH171187D A CH 171187DA CH 171187 A CH171187 A CH 171187A
Authority
CH
Switzerland
Prior art keywords
surge
transmitters
establishment
arranging
telephone connections
Prior art date
Application number
Other languages
German (de)
Inventor
Kardorff Leon
Original Assignee
Kardorff Leon
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 Kardorff Leon filed Critical Kardorff Leon
Publication of CH171187A publication Critical patent/CH171187A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
    • H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
CH171187D 1931-07-10 1932-01-06 Surge transmitters for arranging the establishment of telephone connections. CH171187A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE739840X 1931-07-10

Publications (1)

Publication Number Publication Date
CH171187A true CH171187A (en) 1934-08-15

Family

ID=6643130

Family Applications (1)

Application Number Title Priority Date Filing Date
CH171187D CH171187A (en) 1931-07-10 1932-01-06 Surge transmitters for arranging the establishment of telephone connections.

Country Status (3)

Country Link
BE (1) BE392072A (en)
CH (1) CH171187A (en)
FR (1) FR739840A (en)

Also Published As

Publication number Publication date
BE392072A (en)
FR739840A (en) 1933-01-17

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