BE770454A - Systeme de transmission d'informations pour des rapports signal-bruit tres bas - Google Patents

Systeme de transmission d'informations pour des rapports signal-bruit tres bas

Info

Publication number
BE770454A
BE770454A BE770454A BE770454A BE770454A BE 770454 A BE770454 A BE 770454A BE 770454 A BE770454 A BE 770454A BE 770454 A BE770454 A BE 770454A BE 770454 A BE770454 A BE 770454A
Authority
BE
Belgium
Prior art keywords
transmission system
information transmission
low signal
noise ratios
ratios
Prior art date
Application number
BE770454A
Other languages
English (en)
French (fr)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of BE770454A publication Critical patent/BE770454A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B14/00Transmission systems not characterised by the medium used for transmission
    • H04B14/02Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • H04B14/046Systems or methods for reducing noise or bandwidth

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Dc Digital Transmission (AREA)
BE770454A 1970-07-25 1971-07-23 Systeme de transmission d'informations pour des rapports signal-bruit tres bas BE770454A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7011049.A NL166592C (nl) 1970-07-25 1970-07-25 Transmissiestelsel voor informatie-overdracht bij zeer lage signaal-ruisverhoudingen.

Publications (1)

Publication Number Publication Date
BE770454A true BE770454A (fr) 1972-01-24

Family

ID=19810660

Family Applications (1)

Application Number Title Priority Date Filing Date
BE770454A BE770454A (fr) 1970-07-25 1971-07-23 Systeme de transmission d'informations pour des rapports signal-bruit tres bas

Country Status (11)

Country Link
US (1) US3758861A (xx)
JP (1) JPS523524B1 (xx)
AU (1) AU458537B2 (xx)
BE (1) BE770454A (xx)
CA (1) CA958771A (xx)
CH (1) CH546518A (xx)
DE (1) DE2134021C3 (xx)
FR (1) FR2099602B1 (xx)
GB (1) GB1312550A (xx)
NL (1) NL166592C (xx)
SE (1) SE367299B (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU68026A1 (xx) * 1972-07-19 1974-01-21
FR2216715B1 (xx) * 1973-01-31 1976-06-11 Ibm France
US3851101A (en) * 1974-03-04 1974-11-26 Motorola Inc Adaptive phase synchronizer
DE2410633C2 (de) * 1974-03-06 1983-08-25 Robert Bosch Gmbh, 7000 Stuttgart Schaltungsanordnung zur Umsetzung einer analogen Eingangsspannung in einen digitalen Ausgangswert
US3878334A (en) * 1974-04-10 1975-04-15 Gen Dynamics Corp Data synchronizing systems
US4216460A (en) * 1977-07-14 1980-08-05 Independent Broadcasting Authority Transmission and/or recording of digital signals
US5991278A (en) * 1996-08-13 1999-11-23 Telogy Networks, Inc. Asymmetric modem communications system and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1031686A (en) * 1962-08-29 1966-06-02 Nippon Electric Co A synchronising device for a pulse code transmission system
US3314015A (en) * 1963-09-16 1967-04-11 Bell Telephone Labor Inc Digitally synthesized artificial transfer networks
US3518547A (en) * 1966-06-14 1970-06-30 Ibm Digital communication system employing multiplex transmission of maximal length binary sequences
NL6802652A (xx) * 1966-08-27 1969-08-26
US3633105A (en) * 1970-04-01 1972-01-04 Gte Automatic Electric Lab Inc Digital adaptive equalizer system

Also Published As

Publication number Publication date
FR2099602B1 (xx) 1976-12-03
CA958771A (en) 1974-12-03
SE367299B (xx) 1974-05-20
US3758861A (en) 1973-09-11
DE2134021A1 (de) 1972-02-03
AU3142971A (en) 1973-01-25
NL166592B (nl) 1981-03-16
CH546518A (de) 1974-02-28
DE2134021C3 (de) 1982-01-21
AU458537B2 (en) 1975-02-27
NL166592C (nl) 1981-08-17
JPS523524B1 (xx) 1977-01-28
FR2099602A1 (xx) 1972-03-17
GB1312550A (en) 1973-04-04
NL7011049A (xx) 1972-01-27
DE2134021B2 (de) 1981-05-07

Similar Documents

Publication Publication Date Title
BE805626R (fr) Amplificateur intermediaire pour un systeme de transmission d'informations
BE756262A (fr) Modulateur pour la transmission de donnees
BE798481A (fr) Dispositifs de transmission d'informations couleur
BE805625R (fr) Amplificateur intermediaire pour un systeme de transmission d'informations
BE805624R (fr) Amplificateur intermediaire pour un systeme de transmission d'informations
BE769479A (fr) Systeme d'ancrage pour bouees d'amarrage
BE780711R (fr) Decodeur pour systeme de reproduction
FR1436419A (fr) Dispositifs de transmission d'informations
FR2322491A1 (fr) Systeme de transmission d'informations
BE770454A (fr) Systeme de transmission d'informations pour des rapports signal-bruit tres bas
BE779541A (fr) Systeme pour la lecture automatique de signes
BE798191R (fr) Systeme de transmission d'informations
BE755811A (fr) Selecteur pour appareils de reproduction automatique d'informations.
BE789175A (fr) Amplificateur intermediaire pour un systeme de transmission d'informations
BE790393A (fr) Systeme pour la transmission d'informations
FR2278114A1 (fr) Dispositif de transposition pour systeme numerique
BE773592A (fr) Recepteur pour transmission de donnees
BE836880R (fr) Systeme de transmission d'informations
BE824603A (fr) Systeme de transmission d'informations par satellite
BE820165R (fr) Systeme de transmission d'informations
BE759604A (fr) Dispositif de transmission d'informations
BE823337A (fr) Systeme de transmission d'informations pour modulation par impulsions codees
BE787579A (fr) Dispositif de signalisation notamment pour vehicules d'intervention urgente
BE790394A (fr) Systeme digital pour la transmission d'informations
BE793972A (fr) Systeme de transmission d'informations