DK208483D0 - Scrambler-koder med pseudotilfaeldigsekvens-generator - Google Patents

Scrambler-koder med pseudotilfaeldigsekvens-generator

Info

Publication number
DK208483D0
DK208483D0 DK2084/83A DK208483A DK208483D0 DK 208483 D0 DK208483 D0 DK 208483D0 DK 2084/83 A DK2084/83 A DK 2084/83A DK 208483 A DK208483 A DK 208483A DK 208483 D0 DK208483 D0 DK 208483D0
Authority
DK
Denmark
Prior art keywords
pseudotic
sequence generator
scrambler
codes
scrambler codes
Prior art date
Application number
DK2084/83A
Other languages
English (en)
Other versions
DK159508C (da
DK208483A (da
DK159508B (da
Inventor
Jr Edward J Weldon
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 DK208483D0 publication Critical patent/DK208483D0/da
Publication of DK208483A publication Critical patent/DK208483A/da
Publication of DK159508B publication Critical patent/DK159508B/da
Application granted granted Critical
Publication of DK159508C publication Critical patent/DK159508C/da

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Inverter Devices (AREA)
  • Communication Control (AREA)
DK208483A 1982-05-11 1983-05-10 Scrambler-koder med pseudotilfaeldigsekvens-generator DK159508C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US37709982A 1982-05-11 1982-05-11
US37709982 1982-05-11

Publications (4)

Publication Number Publication Date
DK208483D0 true DK208483D0 (da) 1983-05-10
DK208483A DK208483A (da) 1983-11-12
DK159508B DK159508B (da) 1990-10-22
DK159508C DK159508C (da) 1991-03-25

Family

ID=23487767

Family Applications (1)

Application Number Title Priority Date Filing Date
DK208483A DK159508C (da) 1982-05-11 1983-05-10 Scrambler-koder med pseudotilfaeldigsekvens-generator

Country Status (12)

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

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
MX153844A (es) 1987-01-19
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
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

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Legal Events

Date Code Title Description
PBP Patent lapsed