CH403871A - Installation in carrier frequency systems to improve the signal-to-noise ratio of speech connections via line systems with high interference levels - Google Patents

Installation in carrier frequency systems to improve the signal-to-noise ratio of speech connections via line systems with high interference levels

Info

Publication number
CH403871A
CH403871A CH253063A CH253063A CH403871A CH 403871 A CH403871 A CH 403871A CH 253063 A CH253063 A CH 253063A CH 253063 A CH253063 A CH 253063A CH 403871 A CH403871 A CH 403871A
Authority
CH
Switzerland
Prior art keywords
systems
installation
improve
signal
noise ratio
Prior art date
Application number
CH253063A
Other languages
German (de)
Inventor
Pyddoke John
Martin Schutze Wilfried Paul
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of CH403871A publication Critical patent/CH403871A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Radio Relay Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CH253063A 1962-02-28 1963-02-28 Installation in carrier frequency systems to improve the signal-to-noise ratio of speech connections via line systems with high interference levels CH403871A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE219762 1962-02-28

Publications (1)

Publication Number Publication Date
CH403871A true CH403871A (en) 1965-12-15

Family

ID=20259540

Family Applications (1)

Application Number Title Priority Date Filing Date
CH253063A CH403871A (en) 1962-02-28 1963-02-28 Installation in carrier frequency systems to improve the signal-to-noise ratio of speech connections via line systems with high interference levels

Country Status (3)

Country Link
CH (1) CH403871A (en)
DE (1) DE1194002B (en)
GB (1) GB1029988A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4241512A1 (en) * 1992-12-10 1994-06-16 Zumtobel Ag Dornbirn Method of transmitting information over a power line

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1039574B (en) * 1957-10-16 1958-09-25 Telefunken Gmbh Pilot frequency receiver for single sideband carrier frequency devices with band change traffic, especially for the purpose of electricity company telephony

Also Published As

Publication number Publication date
GB1029988A (en) 1966-05-18
DE1194002B (en) 1965-06-03

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