FR2482802A1 - Dispositif electronique de decodage d'informations pour un dispositif fonctionnant en auto-synchronisation - Google Patents

Dispositif electronique de decodage d'informations pour un dispositif fonctionnant en auto-synchronisation Download PDF

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Publication number
FR2482802A1
FR2482802A1 FR8109408A FR8109408A FR2482802A1 FR 2482802 A1 FR2482802 A1 FR 2482802A1 FR 8109408 A FR8109408 A FR 8109408A FR 8109408 A FR8109408 A FR 8109408A FR 2482802 A1 FR2482802 A1 FR 2482802A1
Authority
FR
France
Prior art keywords
data
circuit
information
signal
pulse
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
FR8109408A
Other languages
English (en)
French (fr)
Other versions
FR2482802B1 (enExample
Inventor
Jozsef Mara
Geza Molnar
Karoly Molnar
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.)
Magyar Optikai Muvek
Magyar Optikai Muevek
Original Assignee
Magyar Optikai Muvek
Magyar Optikai Muevek
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 Magyar Optikai Muvek, Magyar Optikai Muevek filed Critical Magyar Optikai Muvek
Publication of FR2482802A1 publication Critical patent/FR2482802A1/fr
Application granted granted Critical
Publication of FR2482802B1 publication Critical patent/FR2482802B1/fr
Granted legal-status Critical Current

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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
    • G11B20/1419—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 to or from biphase level coding, i.e. to or from codes where a one is coded as a transition from a high to a low level during the middle of a bit cell and a zero is encoded as a transition from a low to a high level during the middle of a bit cell or vice versa, e.g. split phase code, Manchester code conversion to or from biphase space or mark coding, i.e. to or from codes where there is a transition at the beginning of every bit cell and a one has no second transition and a zero has a second transition one half of a bit period later or vice versa, e.g. double frequency code, FM code

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
FR8109408A 1980-05-14 1981-05-12 Dispositif electronique de decodage d'informations pour un dispositif fonctionnant en auto-synchronisation Granted FR2482802A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU118980A HU183139B (en) 1980-05-14 1980-05-14 Electronic decoding circuit arrangement for systems with self-synchronization

Publications (2)

Publication Number Publication Date
FR2482802A1 true FR2482802A1 (fr) 1981-11-20
FR2482802B1 FR2482802B1 (enExample) 1984-06-08

Family

ID=10953254

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8109408A Granted FR2482802A1 (fr) 1980-05-14 1981-05-12 Dispositif electronique de decodage d'informations pour un dispositif fonctionnant en auto-synchronisation

Country Status (2)

Country Link
FR (1) FR2482802A1 (enExample)
HU (1) HU183139B (enExample)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR95755E (fr) * 1967-07-17 1971-06-25 Ibm Systeme de traitement d'informations binaires.
US3631422A (en) * 1969-02-03 1971-12-28 Ibm System for detection of data time interval measurement
FR2295514A1 (fr) * 1974-12-20 1976-07-16 Siemens Ag Montage pour decoder des signaux de lecture delivres par des memoires a couche magnetique
FR2307400A1 (fr) * 1975-04-09 1976-11-05 Zentronik Veb K Procede et circuit pour la demodulation de signaux a phase divisee enregistres en serie sur bande magnetique
DE2804593B1 (de) * 1978-02-03 1979-02-08 Inst Rundfunktechnik Gmbh Verfahren und Anordnung zum Demodulieren eines binaer codierten,phasenmodulierten Signals
DE2905668A1 (de) * 1978-06-15 1979-12-20 Rca Corp Anordnung fuer das magnetische aufzeichnen eines binaercodierten signals

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR95755E (fr) * 1967-07-17 1971-06-25 Ibm Systeme de traitement d'informations binaires.
US3631422A (en) * 1969-02-03 1971-12-28 Ibm System for detection of data time interval measurement
FR2295514A1 (fr) * 1974-12-20 1976-07-16 Siemens Ag Montage pour decoder des signaux de lecture delivres par des memoires a couche magnetique
FR2307400A1 (fr) * 1975-04-09 1976-11-05 Zentronik Veb K Procede et circuit pour la demodulation de signaux a phase divisee enregistres en serie sur bande magnetique
DE2804593B1 (de) * 1978-02-03 1979-02-08 Inst Rundfunktechnik Gmbh Verfahren und Anordnung zum Demodulieren eines binaer codierten,phasenmodulierten Signals
DE2905668A1 (de) * 1978-06-15 1979-12-20 Rca Corp Anordnung fuer das magnetische aufzeichnen eines binaercodierten signals

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
IBM TECHNICAL DISCLOSURE BULLETIN, vol.12, no.12, mai 1970, NEW YORK (US) *

Also Published As

Publication number Publication date
FR2482802B1 (enExample) 1984-06-08
HU183139B (en) 1984-04-28

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