CH270402A - Installation de télécommunication électrique. - Google Patents

Installation de télécommunication électrique.

Info

Publication number
CH270402A
CH270402A CH270402DA CH270402A CH 270402 A CH270402 A CH 270402A CH 270402D A CH270402D A CH 270402DA CH 270402 A CH270402 A CH 270402A
Authority
CH
Switzerland
Prior art keywords
telecommunications installation
electrical telecommunications
electrical
installation
telecommunications
Prior art date
Application number
Other languages
English (en)
Inventor
S A Standard Telephone E Radio
Original Assignee
Standard Telephone & Radio Sa
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 Standard Telephone & Radio Sa filed Critical Standard Telephone & Radio Sa
Publication of CH270402A publication Critical patent/CH270402A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H04M11/062—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors using different frequency bands for speech and other data

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CH270402D 1941-01-31 1947-10-03 Installation de télécommunication électrique. CH270402A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR270402X 1941-01-31

Publications (1)

Publication Number Publication Date
CH270402A true CH270402A (fr) 1950-08-31

Family

ID=8885881

Family Applications (1)

Application Number Title Priority Date Filing Date
CH270402D CH270402A (fr) 1941-01-31 1947-10-03 Installation de télécommunication électrique.

Country Status (4)

Country Link
US (1) US2426223A (fr)
BE (1) BE480134A (fr)
CH (1) CH270402A (fr)
FR (1) FR959321A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102342740B1 (ko) * 2014-09-15 2021-12-23 삼성전자주식회사 신호 송수신 방법 및 장치

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1621557A (en) * 1923-06-27 1927-03-22 American Telephone & Telegraph Combined resonant shunt device for telegraph circuits
US2106352A (en) * 1935-03-15 1938-01-25 Bell Telephone Labor Inc Teletypewriter station
BE435784A (fr) * 1938-08-04
US2254342A (en) * 1939-11-02 1941-09-02 Teletype Corp Receiver selection system

Also Published As

Publication number Publication date
FR959321A (fr) 1950-03-29
BE480134A (fr)
US2426223A (en) 1947-08-26

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