FR848013A - Système de transmission à onde porteuse - Google Patents

Système de transmission à onde porteuse

Info

Publication number
FR848013A
FR848013A FR848013DA FR848013A FR 848013 A FR848013 A FR 848013A FR 848013D A FR848013D A FR 848013DA FR 848013 A FR848013 A FR 848013A
Authority
FR
France
Prior art keywords
transmission system
carrier wave
wave transmission
carrier
wave
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)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR848013A publication Critical patent/FR848013A/fr
Expired legal-status Critical Current

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)
FR848013D 1937-12-27 1938-12-26 Système de transmission à onde porteuse Expired FR848013A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR848013A true FR848013A (fr) 1939-10-20

Family

ID=5791837

Family Applications (1)

Application Number Title Priority Date Filing Date
FR848013D Expired FR848013A (fr) 1937-12-27 1938-12-26 Système de transmission à onde porteuse

Country Status (4)

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

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 (xx) * 1947-04-29

Also Published As

Publication number Publication date
GB523066A (en) 1940-07-04
BE431841A (xx) 1939-01-31
CH206314A (de) 1939-07-31

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