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 (cg-RX-API-DMAC7.html)
AU (1) AU503654B2 (cg-RX-API-DMAC7.html)
BE (1) BE846549A (cg-RX-API-DMAC7.html)
CH (1) CH610163A5 (cg-RX-API-DMAC7.html)
DE (1) DE2543492C3 (cg-RX-API-DMAC7.html)
IT (1) IT1076944B (cg-RX-API-DMAC7.html)
LU (1) LU75906A1 (cg-RX-API-DMAC7.html)
NL (1) NL7608600A (cg-RX-API-DMAC7.html)
ZA (1) ZA765273B (cg-RX-API-DMAC7.html)

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
ATA714576A (de) 1979-09-15
AU503654B2 (en) 1979-09-13
DE2543492A1 (de) 1977-03-31
CH610163A5 (en) 1979-03-30
DE2543492B2 (de) 1977-09-22
ZA765273B (en) 1978-01-25
IT1076944B (it) 1985-04-27
NL7608600A (nl) 1977-04-01
DE2543492C3 (de) 1980-09-25
LU75906A1 (cg-RX-API-DMAC7.html) 1977-05-11
AU1788476A (en) 1978-03-23
AT356181B (de) 1980-04-10

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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