FR2445552A1 - Dispositif de commande d'ecriture de donnees par groupes codes - Google Patents

Dispositif de commande d'ecriture de donnees par groupes codes

Info

Publication number
FR2445552A1
FR2445552A1 FR7931602A FR7931602A FR2445552A1 FR 2445552 A1 FR2445552 A1 FR 2445552A1 FR 7931602 A FR7931602 A FR 7931602A FR 7931602 A FR7931602 A FR 7931602A FR 2445552 A1 FR2445552 A1 FR 2445552A1
Authority
FR
France
Prior art keywords
memory
data
gcr
control device
addressing
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
FR7931602A
Other languages
English (en)
French (fr)
Other versions
FR2445552B1 (OSRAM
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.)
Bull HN Information Systems Italia SpA
Bull HN Information Systems Inc
Original Assignee
Honeywell Information Systems Italia SpA
Honeywell Information Systems 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 Honeywell Information Systems Italia SpA, Honeywell Information Systems Inc filed Critical Honeywell Information Systems Italia SpA
Publication of FR2445552A1 publication Critical patent/FR2445552A1/fr
Application granted granted Critical
Publication of FR2445552B1 publication Critical patent/FR2445552B1/fr
Granted 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
    • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
    • G11B20/1201—Formatting, e.g. arrangement of data block or words on the record carriers on tapes
    • G11B20/1202—Formatting, e.g. arrangement of data block or words on the record carriers on tapes with longitudinal tracks only
    • G11B20/1205—Formatting, e.g. arrangement of data block or words on the record carriers on tapes with longitudinal tracks only for discontinuous data, e.g. digital information signals, computer programme data

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Read Only Memory (AREA)
  • Error Detection And Correction (AREA)
FR7931602A 1978-12-26 1979-12-24 Dispositif de commande d'ecriture de donnees par groupes codes Granted FR2445552A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/973,260 US4201980A (en) 1978-12-26 1978-12-26 GCR Data write control apparatus

Publications (2)

Publication Number Publication Date
FR2445552A1 true FR2445552A1 (fr) 1980-07-25
FR2445552B1 FR2445552B1 (OSRAM) 1984-11-30

Family

ID=25520678

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7931602A Granted FR2445552A1 (fr) 1978-12-26 1979-12-24 Dispositif de commande d'ecriture de donnees par groupes codes

Country Status (7)

Country Link
US (1) US4201980A (OSRAM)
JP (1) JPS5593512A (OSRAM)
AU (1) AU530774B2 (OSRAM)
CA (1) CA1139434A (OSRAM)
DE (1) DE2951766A1 (OSRAM)
FR (1) FR2445552A1 (OSRAM)
GB (1) GB2039115A (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56153512A (en) * 1980-04-23 1981-11-27 Sharp Corp Recording system for digital information
US4398225A (en) * 1981-04-24 1983-08-09 Iomega Corporation Combined serializer encoder and decoder for data storage system
US4544962A (en) * 1981-07-06 1985-10-01 Matsushita Electric Industrial Co., Ltd. Method and apparatus for processing binary data
JPS6010458A (ja) * 1983-06-30 1985-01-19 Fujitsu Ltd 増幅器利得調整用情報記録方法
JP3528929B2 (ja) * 1993-09-22 2004-05-24 ソニー株式会社 磁気記録装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1175987A (OSRAM) * 1966-11-15 1970-01-01
FR2086169A1 (OSRAM) * 1970-04-16 1971-12-31 Ibm
FR2089591A5 (OSRAM) * 1970-05-20 1972-01-07 Ibm
FR2095610A5 (OSRAM) * 1970-06-12 1972-02-11 Ibm

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE28330E (en) 1970-08-17 1975-02-04 Self-clocking five bit record-playback ststem
CA1159143A (en) * 1978-12-26 1983-12-20 Stanley I. Friedman Write control apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1175987A (OSRAM) * 1966-11-15 1970-01-01
FR2086169A1 (OSRAM) * 1970-04-16 1971-12-31 Ibm
FR2089591A5 (OSRAM) * 1970-05-20 1972-01-07 Ibm
FR2095610A5 (OSRAM) * 1970-06-12 1972-02-11 Ibm

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
LANDIS & GYR-MITTEILUNGEN, vol. 22, no. 1, 1975, Zug (CH) *

Also Published As

Publication number Publication date
FR2445552B1 (OSRAM) 1984-11-30
DE2951766C2 (OSRAM) 1989-10-26
CA1139434A (en) 1983-01-11
GB2039115A (en) 1980-07-30
JPH0135425B2 (OSRAM) 1989-07-25
JPS5593512A (en) 1980-07-16
DE2951766A1 (de) 1980-07-17
US4201980A (en) 1980-05-06
AU530774B2 (en) 1983-07-28
AU5412879A (en) 1980-07-03

Similar Documents

Publication Publication Date Title
ES314537A1 (es) Aparato de registro de datos.
MY125646A (en) Recording and reproducing apparatus and terminal apparatus
ATE19453T1 (de) Digitaler fernsehapparat.
DE69133530D1 (de) Plattenwiedergabe gerät
KR850008742A (ko) 디스크 드라이브 제어장치
ES456757A1 (es) Un aparato para registrar y reproducir x senales de informa-cion.
FR2445552A1 (fr) Dispositif de commande d'ecriture de donnees par groupes codes
FR2293035A1 (fr) Systeme de lecture d'un enregistrement optique de donnees numeriques binaires
KR890010804A (ko) 역전 음성 재생회로
FR2445557A1 (fr) Dispositif de transfert de donnees
JPS5620377A (en) Facsimile equipment
FR2389278A1 (fr) Systeme de stockage magnetique d'informations numeriques codees avec transcodage reversible en code bipolaire a haute densite d'ordre n
GB2012527A (en) Recording/reproducing system
JPS55146674A (en) Digital audio disk unit
ATE20985T1 (de) Geraet zur wiedergabe von einem aufzeichnungstraeger.
JPS53110510A (en) Data recording method for recording medium featuring plural fixed length recording units
SU862213A1 (ru) Устройство дл маркировки и поиска информации на магнитной ленте
KR900018985A (ko) 디지탈신호 재생장치
ATE92663T1 (de) Optische speicher-/wiedergabeanordnung.
JPS5477112A (en) Information signal reproducer
JPS57131166A (en) Partial read and record control device
GB1024296A (en) Improvements in or relating to magnetic storage systems
FR1410721A (fr) Support de données d'enregistrement, et procédé et dispositif pour la lecture de ce support
FR1413302A (fr) Dispositif de lecture de données d'information perforées sur des supports d'enregistrement
FR2304146A1 (fr) Dispositif de transfert d'un groupe de bits d'un premier train vers un second train homochrone

Legal Events

Date Code Title Description
ST Notification of lapse