FR2350009A1 - Procede et dispositif de codage et de decodage de signaux binaires - Google Patents

Procede et dispositif de codage et de decodage de signaux binaires

Info

Publication number
FR2350009A1
FR2350009A1 FR7712344A FR7712344A FR2350009A1 FR 2350009 A1 FR2350009 A1 FR 2350009A1 FR 7712344 A FR7712344 A FR 7712344A FR 7712344 A FR7712344 A FR 7712344A FR 2350009 A1 FR2350009 A1 FR 2350009A1
Authority
FR
France
Prior art keywords
coding
binary signals
decoding binary
decoding
signals
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.)
Pending
Application number
FR7712344A
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of FR2350009A1 publication Critical patent/FR2350009A1/fr
Pending legal-status Critical Current

Links

Classifications

    • 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
    • G11B20/1407—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol
    • G11B20/1411—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol conversion to or from pulse width coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR7712344A 1976-04-26 1977-04-25 Procede et dispositif de codage et de decodage de signaux binaires Pending FR2350009A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/680,055 US4060837A (en) 1976-04-26 1976-04-26 Variable cell width recording

Publications (1)

Publication Number Publication Date
FR2350009A1 true FR2350009A1 (fr) 1977-11-25

Family

ID=24729460

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7712344A Pending FR2350009A1 (fr) 1976-04-26 1977-04-25 Procede et dispositif de codage et de decodage de signaux binaires

Country Status (5)

Country Link
US (1) US4060837A (fr)
JP (1) JPS52131710A (fr)
DE (1) DE2718691C3 (fr)
FR (1) FR2350009A1 (fr)
GB (1) GB1553453A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2559001A1 (fr) * 1984-01-31 1985-08-02 Pioneer Electronic Corp Dispositif de lecture de signaux de donnees

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4462051A (en) * 1982-04-02 1984-07-24 Ampex Corporation Demodulator for an asynchronous binary signal
US4562490A (en) * 1984-01-05 1985-12-31 Interface Control Systems, Inc. Jackpot-resistant magnetic card encoding
GB2200518A (en) * 1987-01-30 1988-08-03 Crystalate Electronics Data pulse timing
US4954825A (en) * 1989-03-22 1990-09-04 Eastman Kodak Company Self clocking binary data encoding/decoding method
JPH04291007A (ja) * 1991-03-20 1992-10-15 Csk Corp コ−ドデ−タ記録方式

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2887674A (en) * 1953-05-14 1959-05-19 Marchant Res Inc Pulse width memory units
DE1152277B (de) * 1960-02-19 1963-08-01 Dr Harald Lukas Verfahren zur Seriendarstellung von digitalen Informationen
DE1449746A1 (de) * 1964-11-14 1969-10-09 Diehl Fa Verfahren und Schaltungsanordnung zur Aufzeichnung und Wiedergabe von binaer verschluesselten Informationen auf bzw. von einem magnetisierbaren Informationsspeicher
FR2027242A1 (fr) * 1968-12-27 1970-09-25 Singer Nv
FR2060720A5 (fr) * 1969-09-17 1971-06-18 Burroughs Corp
US3763353A (en) * 1971-09-27 1973-10-02 E Nassimbene Retrospective pulse modulation decoding apparatus
GB1363574A (en) * 1973-03-29 1974-08-14 British Aircraft Corp Ltd Data recording and replay systems
FR2277399A1 (fr) * 1974-07-03 1976-01-30 Rca Corp Procede d'enregistrement magnetique de donnees numeriques

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3237176A (en) * 1962-01-26 1966-02-22 Rca Corp Binary recording system
US3281806A (en) * 1962-12-21 1966-10-25 Honeywell Inc Pulse width modulation representation of paired binary digits
US3720927A (en) * 1971-01-25 1973-03-13 Redactron Corp Speed insensitive reading and writing apparatus for digital information

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2887674A (en) * 1953-05-14 1959-05-19 Marchant Res Inc Pulse width memory units
DE1152277B (de) * 1960-02-19 1963-08-01 Dr Harald Lukas Verfahren zur Seriendarstellung von digitalen Informationen
DE1449746A1 (de) * 1964-11-14 1969-10-09 Diehl Fa Verfahren und Schaltungsanordnung zur Aufzeichnung und Wiedergabe von binaer verschluesselten Informationen auf bzw. von einem magnetisierbaren Informationsspeicher
FR2027242A1 (fr) * 1968-12-27 1970-09-25 Singer Nv
FR2060720A5 (fr) * 1969-09-17 1971-06-18 Burroughs Corp
US3763353A (en) * 1971-09-27 1973-10-02 E Nassimbene Retrospective pulse modulation decoding apparatus
GB1363574A (en) * 1973-03-29 1974-08-14 British Aircraft Corp Ltd Data recording and replay systems
FR2277399A1 (fr) * 1974-07-03 1976-01-30 Rca Corp Procede d'enregistrement magnetique de donnees numeriques

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/67 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2559001A1 (fr) * 1984-01-31 1985-08-02 Pioneer Electronic Corp Dispositif de lecture de signaux de donnees

Also Published As

Publication number Publication date
GB1553453A (en) 1979-09-26
DE2718691B2 (de) 1980-10-30
JPS52131710A (en) 1977-11-04
DE2718691C3 (de) 1981-07-23
DE2718691A1 (de) 1977-11-03
US4060837A (en) 1977-11-29

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