CH206857A - Push button arrangement for alternating current telegraphy. - Google Patents

Push button arrangement for alternating current telegraphy.

Info

Publication number
CH206857A
CH206857A CH206857DA CH206857A CH 206857 A CH206857 A CH 206857A CH 206857D A CH206857D A CH 206857DA CH 206857 A CH206857 A CH 206857A
Authority
CH
Switzerland
Prior art keywords
alternating current
push button
button arrangement
current telegraphy
telegraphy
Prior art date
Application number
Other languages
German (de)
Inventor
Haftung Neue Tel Beschraenkter
Original Assignee
Neue Telefon 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 Neue Telefon Gmbh filed Critical Neue Telefon Gmbh
Publication of CH206857A publication Critical patent/CH206857A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/04—Modulator circuits; Transmitter circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Rectifiers (AREA)
CH206857D 1937-05-13 1938-05-07 Push button arrangement for alternating current telegraphy. CH206857A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE206857X 1937-05-13

Publications (1)

Publication Number Publication Date
CH206857A true CH206857A (en) 1939-08-31

Family

ID=5793386

Family Applications (1)

Application Number Title Priority Date Filing Date
CH206857D CH206857A (en) 1937-05-13 1938-05-07 Push button arrangement for alternating current telegraphy.

Country Status (5)

Country Link
US (1) US2195294A (en)
BE (1) BE427605A (en)
CH (1) CH206857A (en)
FR (1) FR837849A (en)
GB (1) GB499114A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2822421A (en) * 1952-10-16 1958-02-04 Int Standard Electric Corp Modulator for voice frequency telegraph systems

Also Published As

Publication number Publication date
BE427605A (en)
FR837849A (en) 1939-02-21
GB499114A (en) 1939-01-18
US2195294A (en) 1940-03-26

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