BE846549A - Systeme a frequence porteuse dans un duplex a deux porteuses - Google Patents

Systeme a frequence porteuse dans un duplex a deux porteuses

Info

Publication number
BE846549A
BE846549A BE170902A BE170902A BE846549A BE 846549 A BE846549 A BE 846549A BE 170902 A BE170902 A BE 170902A BE 170902 A BE170902 A BE 170902A BE 846549 A BE846549 A BE 846549A
Authority
BE
Belgium
Prior art keywords
carrier
duplex
frequency system
carrier frequency
carrier duplex
Prior art date
Application number
BE170902A
Other languages
English (en)
French (fr)
Inventor
H Krahmer
S Friedrich
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
Publication of BE846549A publication Critical patent/BE846549A/xx

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/04—Frequency-transposition arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
BE170902A 1975-09-30 1976-09-24 Systeme a frequence porteuse dans un duplex a deux porteuses BE846549A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2543492A DE2543492C3 (de) 1975-09-30 1975-09-30 Trägerfrequenzsystem in Zweidraht-Getrenntlage

Publications (1)

Publication Number Publication Date
BE846549A true BE846549A (fr) 1977-01-17

Family

ID=5957788

Family Applications (1)

Application Number Title Priority Date Filing Date
BE170902A BE846549A (fr) 1975-09-30 1976-09-24 Systeme a frequence porteuse dans un duplex a deux porteuses

Country Status (9)

Country Link
AT (1) AT356181B (de)
AU (1) AU503654B2 (de)
BE (1) BE846549A (de)
CH (1) CH610163A5 (de)
DE (1) DE2543492C3 (de)
IT (1) IT1076944B (de)
LU (1) LU75906A1 (de)
NL (1) NL7608600A (de)
ZA (1) ZA765273B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2718232C3 (de) * 1977-04-23 1981-03-19 TE KA DE Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg Trägerfrequenzsystem in Zweidraht-Getrenntlage
CA1159972A (en) * 1980-05-15 1984-01-03 Zdzistaw A. A. Krajewski 2-wire frequency division multiplex system
DE4014132A1 (de) * 1990-05-02 1991-11-14 Fraunhofer Ges Forschung Sprachuebertragungssystem

Also Published As

Publication number Publication date
AU503654B2 (en) 1979-09-13
NL7608600A (nl) 1977-04-01
ZA765273B (en) 1978-01-25
DE2543492B2 (de) 1977-09-22
LU75906A1 (de) 1977-05-11
AT356181B (de) 1980-04-10
IT1076944B (it) 1985-04-27
DE2543492A1 (de) 1977-03-31
ATA714576A (de) 1979-09-15
DE2543492C3 (de) 1980-09-25
AU1788476A (en) 1978-03-23
CH610163A5 (en) 1979-03-30

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: TE KA DE FELTEN & GUILLEAUME FERNMELDEANLAGEN G.M

Effective date: 19850930