MX153844A - Mejoras en circuito codificador perturbador para detectar y corregir errores en sistemas digitales de comunicacion - Google Patents

Mejoras en circuito codificador perturbador para detectar y corregir errores en sistemas digitales de comunicacion

Info

Publication number
MX153844A
MX153844A MX197229A MX19722983A MX153844A MX 153844 A MX153844 A MX 153844A MX 197229 A MX197229 A MX 197229A MX 19722983 A MX19722983 A MX 19722983A MX 153844 A MX153844 A MX 153844A
Authority
MX
Mexico
Prior art keywords
detect
communication systems
digital communication
coding circuit
correct errors
Prior art date
Application number
MX197229A
Other languages
English (en)
Inventor
Edward J Weldon Jr
Original Assignee
Tandem Computers Inc
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 Tandem Computers Inc filed Critical Tandem Computers Inc
Publication of MX153844A publication Critical patent/MX153844A/es

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
    • H04L25/03866—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties using scrambling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Power Engineering (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Error Detection And Correction (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Inverter Devices (AREA)
  • Communication Control (AREA)
MX197229A 1982-05-11 1983-05-10 Mejoras en circuito codificador perturbador para detectar y corregir errores en sistemas digitales de comunicacion MX153844A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37709982A 1982-05-11 1982-05-11

Publications (1)

Publication Number Publication Date
MX153844A true MX153844A (es) 1987-01-19

Family

ID=23487767

Family Applications (1)

Application Number Title Priority Date Filing Date
MX197229A MX153844A (es) 1982-05-11 1983-05-10 Mejoras en circuito codificador perturbador para detectar y corregir errores en sistemas digitales de comunicacion

Country Status (12)

Country Link
EP (1) EP0094254B1 (es)
JP (1) JPS5936454A (es)
KR (1) KR890000101B1 (es)
AU (1) AU559654B2 (es)
CA (1) CA1220259A (es)
DE (1) DE3373604D1 (es)
DK (1) DK159508C (es)
FI (1) FI78803C (es)
GB (1) GB2121653B (es)
IL (1) IL68657A (es)
MX (1) MX153844A (es)
NO (1) NO159229C (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60210044A (ja) * 1984-04-03 1985-10-22 Nec Corp 誤り訂正符号送受信装置
US4755987A (en) * 1987-06-05 1988-07-05 Bell Communications Research, Inc. High speed scrambling at lower clock speeds
JPH02131624A (ja) * 1988-11-11 1990-05-21 Nec Corp 伝送路符号誤り監視方式
GB9008151D0 (en) * 1990-04-10 1990-06-06 British Telecomm Data communication
AU612961B3 (en) * 1991-01-17 1991-06-11 Edward Pyle Dawson Discrete cosine transform analog speech scrambling system
EP0582122B1 (en) * 1992-07-21 1999-03-24 Matsushita Electric Industrial Co., Ltd. Scramble apparatus and descramble apparatus
JP3722840B2 (ja) * 1996-03-11 2005-11-30 ヒューレット・パッカード・カンパニー データ通信装置およびその方法
US8918442B2 (en) 2012-08-22 2014-12-23 International Business Machines Corporation Reducing bias in hardware generated random numbers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2435057B2 (de) * 1973-10-18 1975-09-11 Hewlett-Packard Ltd., South Queensferry, West Lothian (Grossbritannien) Schaltungsanordnung zum Synchronisieren und/oder erneuten Auslösen eines Generators zum Erzeugen einer Folge von pseudozufälligen Binärsignalen
DE2507804C1 (de) * 1975-02-24 1979-11-29 Siemens Ag Schaltungsanordnung zur Steuerung von Halbduplex-Datenuebertragungsanlagen
US4004089A (en) * 1975-02-28 1977-01-18 Ncr Corporation Programmable cryptic device for enciphering and deciphering data
NL7710503A (nl) * 1977-09-27 1979-03-29 Philips Nv Digitaal transmissiestelsel.
JPS5525291A (en) * 1978-08-11 1980-02-22 Sanyo Electric Co Ltd Serial data transmission device
EP0011050B1 (de) * 1978-10-27 1982-04-07 GRETAG Aktiengesellschaft Chiffrier-Dechiffriergerät
DE3006717C2 (de) * 1980-02-22 1981-11-26 SIEMENS AG AAAAA, 1000 Berlin und 8000 München Umschaltbare freilaufende Verwürfler- und Entwürfleranordnung (Scrambler und Descrambler)

Also Published As

Publication number Publication date
FI831622A0 (fi) 1983-05-10
DK159508C (da) 1991-03-25
DK208483A (da) 1983-11-12
IL68657A0 (en) 1983-09-30
FI78803B (fi) 1989-05-31
NO159229C (no) 1988-12-07
JPS5936454A (ja) 1984-02-28
DK159508B (da) 1990-10-22
KR890000101B1 (ko) 1989-03-07
NO159229B (no) 1988-08-29
CA1220259A (en) 1987-04-07
GB8312888D0 (en) 1983-06-15
EP0094254A2 (en) 1983-11-16
EP0094254B1 (en) 1987-09-09
AU1444083A (en) 1983-11-17
DE3373604D1 (en) 1987-10-15
IL68657A (en) 1987-01-30
DK208483D0 (da) 1983-05-10
KR840004999A (ko) 1984-10-31
GB2121653A (en) 1983-12-21
FI78803C (fi) 1989-09-11
FI831622L (fi) 1983-11-12
EP0094254A3 (en) 1984-04-25
NO831647L (no) 1983-11-14
AU559654B2 (en) 1987-03-19
GB2121653B (en) 1985-11-06

Similar Documents

Publication Publication Date Title
ES529979A0 (es) Perfeccionamientos en los sistemas multiplex
BR8301091A (pt) Sistema de comunicacoes e circuito indicador
FR2534045B1 (fr) Circuit additionneur numerique
GB2120030B (en) Digital signal demodulator circuit
IT8322620A0 (it) Circuito di verifica di ridondanza ciclica in parallelo.
MX158846A (es) Mejoras en computadora digital
IT1152334B (it) Circuito filtro digitali
AT386709B (de) Schwarzwertrueckgewinnungsschaltung
KR860010147U (ko) 디지탈필터회로
MX153844A (es) Mejoras en circuito codificador perturbador para detectar y corregir errores en sistemas digitales de comunicacion
IT1171786B (it) Circuito rivelatore di segnali in particolare per applicazioni telefoniche
GB2118403B (en) Digital signal demodulator circuit
GB8625917D0 (en) Masking errors in digital video signal
MX161110A (es) Mejoras en un pesario intrauterino
ES526671A0 (es) Perfeccionamientos en un circuito de punto de cruce cero para producir una senal de salida en respuesta a una orden de entrada
BR8401836A (pt) Circuito de recuperacao de dados digitais
ES538950A0 (es) Perfeccionamientos en los sistemas de compatacion de desperdicios radiactivos de bajo nivel de radiactividad
FI834706A0 (fi) Anordning foer att ansluta digitala terminaler till en digital vaexel
GB2149160B (en) Digital code detector circuit with priority
ES536076A0 (es) Circuito inversor con contactos electronicos
BR8201986A (pt) Circuito divisor
MX152063A (es) Mejoras en circuito detector del tono
DK311386A (da) Digitalt kodekredsloeb
GB8317916D0 (en) Detecting errors in digital data stream
IT8323511A0 (it) Circuito di protezione per segnali analogici e digitali.