CH407240A - Signal-Übertragungsanlage mit Mitteln zur Verbesserung des Geräuschabstandes - Google Patents

Signal-Übertragungsanlage mit Mitteln zur Verbesserung des Geräuschabstandes

Info

Publication number
CH407240A
CH407240A CH514962A CH514962A CH407240A CH 407240 A CH407240 A CH 407240A CH 514962 A CH514962 A CH 514962A CH 514962 A CH514962 A CH 514962A CH 407240 A CH407240 A CH 407240A
Authority
CH
Switzerland
Prior art keywords
signal
improve
transmission system
noise ratio
signal transmission
Prior art date
Application number
CH514962A
Other languages
English (en)
Inventor
Raymond Boyer Roland Aime
Joseph Chatelon Andre Edouard
Original Assignee
Standard Telephon & Radio Ag
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 Standard Telephon & Radio Ag filed Critical Standard Telephon & Radio Ag
Publication of CH407240A publication Critical patent/CH407240A/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • H04B14/046—Systems or methods for reducing noise or bandwidth
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/18—Time-division multiplex systems using frequency compression and subsequent expansion of the individual signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
CH514962A 1961-05-02 1962-04-30 Signal-Übertragungsanlage mit Mitteln zur Verbesserung des Geräuschabstandes CH407240A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR860435A FR1295956A (fr) 1961-05-02 1961-05-02 Arrangements pour l'élimination du bruit dans les systèmes de transmission

Publications (1)

Publication Number Publication Date
CH407240A true CH407240A (de) 1966-02-15

Family

ID=8754238

Family Applications (1)

Application Number Title Priority Date Filing Date
CH514962A CH407240A (de) 1961-05-02 1962-04-30 Signal-Übertragungsanlage mit Mitteln zur Verbesserung des Geräuschabstandes

Country Status (5)

Country Link
US (1) US3231674A (de)
BE (1) BE617123A (de)
CH (1) CH407240A (de)
FR (1) FR1295956A (de)
NL (1) NL277910A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5027418A (de) * 1973-03-21 1975-03-20
US3937897A (en) * 1974-07-25 1976-02-10 North Electric Company Signal coding for telephone communication system
DE2742783C2 (de) * 1977-09-23 1982-06-09 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Schaltungsanordnung zur Reduzierung des Nebensprechens in PCM-Systemen
NL7807171A (nl) * 1978-06-30 1980-01-03 Philips Nv Ontvanger voor digitale signalen in lijncode.
EP0106640B1 (de) * 1982-10-15 1986-07-16 British Telecommunications Rauschbeherrschungsschaltung
JPH0752845B2 (ja) * 1985-10-04 1995-06-05 日本電気株式会社 差分符号化回路

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2801281A (en) * 1946-02-21 1957-07-30 Bell Telephone Labor Inc Communication system employing pulse code modulation
US3071649A (en) * 1946-06-19 1963-01-01 Bell Telephone Labor Inc Cipher system for pulse code modulation communication system
US3026375A (en) * 1958-05-09 1962-03-20 Bell Telephone Labor Inc Transmission of quantized signals

Also Published As

Publication number Publication date
BE617123A (fr) 1962-11-05
FR1295956A (fr) 1962-06-15
US3231674A (en) 1966-01-25
NL277910A (de)

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