CH206314A - Carrier wave telephony system. - Google Patents

Carrier wave telephony system.

Info

Publication number
CH206314A
CH206314A CH206314DA CH206314A CH 206314 A CH206314 A CH 206314A CH 206314D A CH206314D A CH 206314DA CH 206314 A CH206314 A CH 206314A
Authority
CH
Switzerland
Prior art keywords
carrier wave
telephony system
wave telephony
carrier
wave
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH206314A publication Critical patent/CH206314A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/14—Arrangements providing for calling or supervisory signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
CH206314D 1937-12-27 1938-12-24 Carrier wave telephony system. CH206314A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE206314X 1937-12-27

Publications (1)

Publication Number Publication Date
CH206314A true CH206314A (en) 1939-07-31

Family

ID=5791837

Family Applications (1)

Application Number Title Priority Date Filing Date
CH206314D CH206314A (en) 1937-12-27 1938-12-24 Carrier wave telephony system.

Country Status (4)

Country Link
BE (1) BE431841A (en)
CH (1) CH206314A (en)
FR (1) FR848013A (en)
GB (1) GB523066A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2564378A (en) * 1946-05-06 1951-08-14 Punch Engineering Pty Ltd Carrier system signaling circuits
BE482215A (en) * 1947-04-29

Also Published As

Publication number Publication date
FR848013A (en) 1939-10-20
BE431841A (en) 1939-01-31
GB523066A (en) 1940-07-04

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