DE2830924A1 - Einrichtung zum aufzeichnen und/oder uebertragung von digitalen signalen - Google Patents

Einrichtung zum aufzeichnen und/oder uebertragung von digitalen signalen

Info

Publication number
DE2830924A1
DE2830924A1 DE19782830924 DE2830924A DE2830924A1 DE 2830924 A1 DE2830924 A1 DE 2830924A1 DE 19782830924 DE19782830924 DE 19782830924 DE 2830924 A DE2830924 A DE 2830924A DE 2830924 A1 DE2830924 A1 DE 2830924A1
Authority
DE
Germany
Prior art keywords
digital
digital signals
word
digits
memory
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.)
Granted
Application number
DE19782830924
Other languages
German (de)
English (en)
Other versions
DE2830924C2 (US07223432-20070529-C00017.png
Inventor
John Lewis Edwin Baldwin
Robert Arnold Bellis
John Goodwin Spencer Ive
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.)
Independent Broadcasting Authority
Original Assignee
Independent Broadcasting Authority
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 Independent Broadcasting Authority filed Critical Independent Broadcasting Authority
Publication of DE2830924A1 publication Critical patent/DE2830924A1/de
Application granted granted Critical
Publication of DE2830924C2 publication Critical patent/DE2830924C2/de
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/001—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits characterised by the elements used
    • 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
    • G06F11/085—Error detection or correction by redundancy in data representation, e.g. by using checking codes using codes with inherent redundancy, e.g. n-out-of-m codes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Error Detection And Correction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DE19782830924 1977-07-14 1978-07-14 Einrichtung zum aufzeichnen und/oder uebertragung von digitalen signalen Granted DE2830924A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2969277 1977-07-14

Publications (2)

Publication Number Publication Date
DE2830924A1 true DE2830924A1 (de) 1979-02-01
DE2830924C2 DE2830924C2 (US07223432-20070529-C00017.png) 1987-02-26

Family

ID=10295599

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19782830924 Granted DE2830924A1 (de) 1977-07-14 1978-07-14 Einrichtung zum aufzeichnen und/oder uebertragung von digitalen signalen

Country Status (8)

Country Link
US (1) US4216460A (US07223432-20070529-C00017.png)
JP (1) JPS54158135A (US07223432-20070529-C00017.png)
AT (1) AT369911B (US07223432-20070529-C00017.png)
CA (1) CA1119303A (US07223432-20070529-C00017.png)
DE (1) DE2830924A1 (US07223432-20070529-C00017.png)
FR (1) FR2397754A1 (US07223432-20070529-C00017.png)
GB (1) GB2001789B (US07223432-20070529-C00017.png)
NL (1) NL7807503A (US07223432-20070529-C00017.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3027329A1 (de) * 1979-07-23 1981-02-19 Sony Corp Codewandelsystem
EP0045075A1 (de) * 1980-07-29 1982-02-03 Siemens Aktiengesellschaft Verfahren zur Umwandlung von linear codierten digitalen Signalen in nichtlinear codierte digitale Signale gemäss einer dem A-Gesetz gehorchenden Mehrfachsegmentkennlinie

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55141852A (en) * 1979-04-24 1980-11-06 Sony Corp Data converting system
US4358846A (en) * 1979-07-27 1982-11-09 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Serial data correlator/code translator
FR2466913A1 (fr) * 1979-10-01 1981-04-10 Thomson Csf Procede et dispositif de codage de donnees binaires, dispositifs de decodage des donnees codees et systemes de transmission comportant de tels dispositifs
JPS5665313A (en) * 1979-10-29 1981-06-03 Sony Corp Data converting circuit
JPS5665312A (en) * 1979-10-29 1981-06-03 Sony Corp Data converting circuit
AU544259B2 (en) * 1980-04-16 1985-05-23 Sony Corporation Detecting + correcting errors in digital video signals
NL8006165A (nl) * 1980-11-12 1982-06-01 Philips Nv Systeem voor het overdragen van digitale informatie, codeerinrichting voor toepassing in dat systeem, decodeerinrichting voor toepassing in dat systeem en registratiedrager voor toepassing in dat systeem.
FR2495858A1 (fr) * 1980-12-05 1982-06-11 Thomson Csf Procede de transcodage parallele serie d'un train numerique parallele et dispositif de transmission de signaux video numerises mettant en oeuvre un tel procede
NL8102251A (nl) * 1981-05-08 1982-12-01 Philips Nv Systeem voor het overdragen van een audiosignaal via een transmissiekanaal.
JPS57195308A (en) * 1981-05-26 1982-12-01 Sony Corp Block coding method
JPS58139313A (ja) * 1982-02-10 1983-08-18 Victor Co Of Japan Ltd デイジタル磁気記録再生装置
JPS58184819A (ja) * 1982-04-22 1983-10-28 Toshiba Corp 並列形アナログ−デイジタル変換回路
JPS5992410A (ja) * 1982-11-17 1984-05-28 Sony Corp デ−タ検出装置
JPS59218068A (ja) * 1983-05-25 1984-12-08 Matsushita Electric Ind Co Ltd デイジタル変調方法
FR2547076B1 (fr) * 1983-06-03 1986-01-03 Telemecanique Electrique Procede et dispositif pour le controle de la transmission des informations entre l'unite centrale d'un automate programmable et les circuits d'entree/sortie raccordes aux capteurs et/ou aux actionneurs du processus commande
US4598326A (en) * 1983-10-18 1986-07-01 Honeywell Inc. Digital recording apparatus with disparity reducing encoder
JP2559354B2 (ja) * 1984-02-24 1996-12-04 株式会社日立製作所 ディジタル信号変調方法
JPH0721942B2 (ja) * 1984-10-11 1995-03-08 ソニー株式会社 チヤンネル符号化方法
JPS6231069A (ja) * 1985-04-26 1987-02-10 Mitsubishi Electric Corp 記録媒体
US5134702A (en) * 1986-04-21 1992-07-28 Ncr Corporation Serial-to-parallel and parallel-to-serial converter
US4774495A (en) * 1986-09-02 1988-09-27 North American Philips Consumer Electronics Corp. Video monitor interface circuit for digital color signals
JP2618005B2 (ja) * 1988-07-25 1997-06-11 キヤノン株式会社 復号方法
JP2865676B2 (ja) * 1988-10-05 1999-03-08 株式会社日立製作所 画像表示装置
EP0389697B1 (en) * 1989-03-29 1994-11-02 International Business Machines Corporation Serial data receiver
GB8912471D0 (en) * 1989-05-31 1989-07-19 Int Computers Ltd Data transmission code
US5422881A (en) * 1989-06-30 1995-06-06 Inmos Limited Message encoding
GB8915137D0 (en) * 1989-06-30 1989-08-23 Inmos Ltd Message routing
JPH0362621A (ja) * 1989-07-31 1991-03-18 Ricoh Co Ltd データ変調方式
WO1992019046A1 (en) * 1991-04-15 1992-10-29 Motorola Gmbh EEPROM MEMORY SYSTEMS FOR 'n OUT OF m' CODES
EP0629067B1 (en) * 1993-06-11 2003-01-22 STMicroelectronics Limited 4B6B Coding
GB9312135D0 (en) * 1993-06-11 1993-07-28 Inmos Ltd Generation of checking data
GB9312071D0 (en) * 1993-06-11 1993-07-28 Inmos Ltd Encoding scheme
GB9312136D0 (en) * 1993-06-11 1993-07-28 Inmos Ltd Transmission of messages
JPH0846648A (ja) * 1994-07-29 1996-02-16 Okuma Mach Works Ltd 通信装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1069619A (en) * 1964-07-23 1967-05-24 Sagem Improvements to systems for protection against errors in transmission
DE2757164A1 (de) * 1976-12-24 1978-07-06 Indep Broadcasting Authority Verfahren und vorrichtung zum uebertragen und/oder aufzeichnen von digitalen signalen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2709199A (en) * 1948-03-15 1955-05-24 Nederlanden Staat Code signal converter
US3678389A (en) * 1969-10-21 1972-07-18 Communications Satellite Corp Method and means for minimizing the subjective effect of bit errors on pcm-encoded voice communication
NL166592C (nl) * 1970-07-25 1981-08-17 Philips Nv Transmissiestelsel voor informatie-overdracht bij zeer lage signaal-ruisverhoudingen.
US3706880A (en) * 1971-03-16 1972-12-19 Eastman Kodak Co Bcd to excess 3 code converter
US3810111A (en) * 1972-12-26 1974-05-07 Ibm Data coding with stable base line for recording and transmitting binary data
US4003041A (en) * 1973-04-25 1977-01-11 De Staat der Nederlanden, te Deze Vertegenwoordigd door De Directeur-General der Posterijen, Telegraphie en Telefonie System for converting binary signals into shorter balanced ternary code signals
US4020282A (en) * 1974-01-14 1977-04-26 General Dynamics Corporation High density data processing system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1069619A (en) * 1964-07-23 1967-05-24 Sagem Improvements to systems for protection against errors in transmission
DE2757164A1 (de) * 1976-12-24 1978-07-06 Indep Broadcasting Authority Verfahren und vorrichtung zum uebertragen und/oder aufzeichnen von digitalen signalen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Millman, J., Halkins, C.C.: Integrated Electronics Analog and Digital Circuits and Systems, Tokyo 1972, McGraw Hill, S.614-620 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3027329A1 (de) * 1979-07-23 1981-02-19 Sony Corp Codewandelsystem
EP0045075A1 (de) * 1980-07-29 1982-02-03 Siemens Aktiengesellschaft Verfahren zur Umwandlung von linear codierten digitalen Signalen in nichtlinear codierte digitale Signale gemäss einer dem A-Gesetz gehorchenden Mehrfachsegmentkennlinie

Also Published As

Publication number Publication date
FR2397754B1 (US07223432-20070529-C00017.png) 1985-04-05
GB2001789A (en) 1979-02-07
CA1119303A (en) 1982-03-02
DE2830924C2 (US07223432-20070529-C00017.png) 1987-02-26
FR2397754A1 (fr) 1979-02-09
JPS54158135A (en) 1979-12-13
NL7807503A (nl) 1979-01-16
US4216460A (en) 1980-08-05
GB2001789B (en) 1982-01-27
AT369911B (de) 1983-02-10
ATA512478A (de) 1982-06-15

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Legal Events

Date Code Title Description
8128 New person/name/address of the agent

Representative=s name: EISENFUEHR, G., DIPL.-ING. SPEISER, D., DIPL.-ING.

8128 New person/name/address of the agent

Representative=s name: EISENFUEHR, G., DIPL.-ING. SPEISER, D., DIPL.-ING.

8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition