FR701173A - Appareil permettant d'obtenir rapidement des liaisons téléphoniques - Google Patents

Appareil permettant d'obtenir rapidement des liaisons téléphoniques

Info

Publication number
FR701173A
FR701173A FR701173DA FR701173A FR 701173 A FR701173 A FR 701173A FR 701173D A FR701173D A FR 701173DA FR 701173 A FR701173 A FR 701173A
Authority
FR
France
Prior art keywords
telephone connections
quickly obtaining
obtaining telephone
quickly
connections
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
Inventor
Leon Kardorff
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 filed Critical
Application granted granted Critical
Publication of FR701173A publication Critical patent/FR701173A/fr
Expired legal-status Critical Current

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)
  • Telephone Set Structure (AREA)
FR701173D 1929-12-04 1930-08-13 Appareil permettant d'obtenir rapidement des liaisons téléphoniques Expired FR701173A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1965121X 1929-12-04

Publications (1)

Publication Number Publication Date
FR701173A true FR701173A (fr) 1931-03-12

Family

ID=7814185

Family Applications (1)

Application Number Title Priority Date Filing Date
FR701173D Expired FR701173A (fr) 1929-12-04 1930-08-13 Appareil permettant d'obtenir rapidement des liaisons téléphoniques

Country Status (2)

Country Link
US (1) US1965121A (fr)
FR (1) FR701173A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983326A (en) * 1944-09-27 1976-09-28 Bell Telephone Laboratories, Incorporated Key pulse generator for secrecy signalling circuit
US2463688A (en) * 1945-05-03 1949-03-08 Automatic Elect Lab Code call mechanism
US2563355A (en) * 1947-04-07 1951-08-07 Donald B Murray Code transmitter
US2542535A (en) * 1948-06-14 1951-02-20 Kaelin Pierre Device for automatically diverting telephone calls
DE827082C (de) * 1948-10-01 1953-09-14 Siemens & Halske A G Lochstreifensender fuer Fernschreibbetrieb
US2550541A (en) * 1948-10-05 1951-04-24 Mecanique Et Transmission Metr Telegraph system with an answerback signal transmitter
US2713533A (en) * 1950-12-11 1955-07-19 Forrellad Jose Tous Device for recording time intervals in apparatus supervising and recording the operation of machines which perform diverse operational steps
US2768233A (en) * 1951-04-06 1956-10-23 Moser Otto Teleprinter for automatic telex service
US2983788A (en) * 1956-06-22 1961-05-09 Burkness Donald Clifford Test device for tape readers
US3387267A (en) * 1964-08-07 1968-06-04 Stewart Warner Corp Meter reading system
US3659058A (en) * 1970-05-11 1972-04-25 Antonio Peral Hernandez Automatic device for dialling pulses

Also Published As

Publication number Publication date
US1965121A (en) 1934-07-03

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