CH307142A - Device for automatic calling of telephone numbers. - Google Patents

Device for automatic calling of telephone numbers.

Info

Publication number
CH307142A
CH307142A CH307142DA CH307142A CH 307142 A CH307142 A CH 307142A CH 307142D A CH307142D A CH 307142DA CH 307142 A CH307142 A CH 307142A
Authority
CH
Switzerland
Prior art keywords
telephone numbers
automatic calling
calling
automatic
telephone
Prior art date
Application number
Other languages
French (fr)
Inventor
Demeulenaere Marcel
Demeulenaere Robert
Original Assignee
Demeulenaere Marcel
Demeulenaere Robert
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 Demeulenaere Marcel, Demeulenaere Robert filed Critical Demeulenaere Marcel
Publication of CH307142A publication Critical patent/CH307142A/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)
  • Transmission Devices (AREA)
CH307142D 1951-12-14 1952-12-08 Device for automatic calling of telephone numbers. CH307142A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE307142X 1951-12-14

Publications (1)

Publication Number Publication Date
CH307142A true CH307142A (en) 1955-05-15

Family

ID=3867497

Family Applications (1)

Application Number Title Priority Date Filing Date
CH307142D CH307142A (en) 1951-12-14 1952-12-08 Device for automatic calling of telephone numbers.

Country Status (5)

Country Link
BE (1) BE507830A (en)
CH (1) CH307142A (en)
DE (1) DE971015C (en)
LU (1) LU31861A1 (en)
NL (2) NL81805C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1034700B (en) * 1956-07-25 1958-07-24 Hermann Ries Dipl Ing Self-dialing device for telephones to generate electricity for the number to be dialed
DE1168978B (en) * 1960-10-13 1964-04-30 Mc Graw Edison Co Method for recording and reproducing call numbers at subscriber stations of telecommunication systems, in particular telephone systems, and device for carrying out the method
DE1278529B (en) * 1966-02-12 1968-09-26 Tele Master G M B H Device in telephone and teleprinter systems for sending electrical surges

Also Published As

Publication number Publication date
LU31861A1 (en)
NL174589B (en)
NL81805C (en)
BE507830A (en)
DE971015C (en) 1958-11-27

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