GB1312550A - System for the transmission of information at very low signal- to-noise ratios - Google Patents

System for the transmission of information at very low signal- to-noise ratios

Info

Publication number
GB1312550A
GB1312550A GB3436771A GB3436771A GB1312550A GB 1312550 A GB1312550 A GB 1312550A GB 3436771 A GB3436771 A GB 3436771A GB 3436771 A GB3436771 A GB 3436771A GB 1312550 A GB1312550 A GB 1312550A
Authority
GB
United Kingdom
Prior art keywords
clock
binary
output
pulses
phase
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB3436771A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1312550A publication Critical patent/GB1312550A/en
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Dc Digital Transmission (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
GB3436771A 1970-07-25 1971-07-22 System for the transmission of information at very low signal- to-noise ratios Expired GB1312550A (en)

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
GB1312550A true GB1312550A (en) 1973-04-04

Family

ID=19810660

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3436771A Expired GB1312550A (en) 1970-07-25 1971-07-22 System for the transmission of information at very low signal- to-noise ratios

Country Status (11)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU68026A1 (https=) * 1972-07-19 1974-01-21
FR2216715B1 (https=) * 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 (https=) * 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
DE2134021B2 (de) 1981-05-07
NL166592B (nl) 1981-03-16
CA958771A (en) 1974-12-03
AU3142971A (en) 1973-01-25
SE367299B (https=) 1974-05-20
NL166592C (nl) 1981-08-17
AU458537B2 (en) 1975-02-27
US3758861A (en) 1973-09-11
JPS523524B1 (https=) 1977-01-28
FR2099602A1 (https=) 1972-03-17
DE2134021A1 (de) 1972-02-03
BE770454A (fr) 1972-01-24
FR2099602B1 (https=) 1976-12-03
CH546518A (de) 1974-02-28
NL7011049A (https=) 1972-01-27
DE2134021C3 (de) 1982-01-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee