FR2295513A2 - Systeme de haute securite d'enregistrement ou de restitution d'informations numeriques sur bande magnetique en cassette - Google Patents

Systeme de haute securite d'enregistrement ou de restitution d'informations numeriques sur bande magnetique en cassette

Info

Publication number
FR2295513A2
FR2295513A2 FR7434335A FR7434335A FR2295513A2 FR 2295513 A2 FR2295513 A2 FR 2295513A2 FR 7434335 A FR7434335 A FR 7434335A FR 7434335 A FR7434335 A FR 7434335A FR 2295513 A2 FR2295513 A2 FR 2295513A2
Authority
FR
France
Prior art keywords
sign
cassette
magnetic tape
bit
restituting
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
FR7434335A
Other languages
English (en)
French (fr)
Other versions
FR2295513B2 (forum.php
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.)
Gouvernement de la Republique Francaise
Original Assignee
Gouvernement de la Republique Francaise
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 Gouvernement de la Republique Francaise filed Critical Gouvernement de la Republique Francaise
Priority to FR7434335A priority Critical patent/FR2295513A2/fr
Priority to NL7413576A priority patent/NL7413576A/xx
Priority to GB4501874A priority patent/GB1490206A/en
Priority to IT2854174A priority patent/IT1022975B/it
Priority to DE19742449715 priority patent/DE2449715A1/de
Priority to CH1399874A priority patent/CH589341A5/xx
Publication of FR2295513A2 publication Critical patent/FR2295513A2/fr
Application granted granted Critical
Publication of FR2295513B2 publication Critical patent/FR2295513B2/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements

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 For Digital Recording And Reproducing (AREA)
FR7434335A 1973-10-19 1974-10-11 Systeme de haute securite d'enregistrement ou de restitution d'informations numeriques sur bande magnetique en cassette Granted FR2295513A2 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FR7434335A FR2295513A2 (fr) 1974-10-11 1974-10-11 Systeme de haute securite d'enregistrement ou de restitution d'informations numeriques sur bande magnetique en cassette
NL7413576A NL7413576A (nl) 1973-10-19 1974-10-16 Inrichting met grote nauwkeurigheid in het re- gistreren of weergeven van numerieke formatie op cassettemagneetband.
GB4501874A GB1490206A (en) 1973-10-19 1974-10-17 High-reliability digital data read/write system for magnetic tape in cassettes
IT2854174A IT1022975B (it) 1973-10-19 1974-10-17 Sistema di alta sicurezza di registrazione o di restituzione di informazioni digitali su nastro magnetico in cassette
DE19742449715 DE2449715A1 (de) 1973-10-19 1974-10-18 Anordnung zum einschreiben und auslesen von numerischen informationsbloecken auf ein bzw. von einem kassettenmagnetband
CH1399874A CH589341A5 (forum.php) 1973-10-19 1974-10-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7434335A FR2295513A2 (fr) 1974-10-11 1974-10-11 Systeme de haute securite d'enregistrement ou de restitution d'informations numeriques sur bande magnetique en cassette

Publications (2)

Publication Number Publication Date
FR2295513A2 true FR2295513A2 (fr) 1976-07-16
FR2295513B2 FR2295513B2 (forum.php) 1978-10-13

Family

ID=9144020

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7434335A Granted FR2295513A2 (fr) 1973-10-19 1974-10-11 Systeme de haute securite d'enregistrement ou de restitution d'informations numeriques sur bande magnetique en cassette

Country Status (1)

Country Link
FR (1) FR2295513A2 (forum.php)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1574639A (forum.php) * 1967-08-08 1969-07-11
US3633162A (en) * 1970-08-03 1972-01-04 Honeywell Inc Apparatus for correcting and indicating errors in redundantly recorded information

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1574639A (forum.php) * 1967-08-08 1969-07-11
US3633162A (en) * 1970-08-03 1972-01-04 Honeywell Inc Apparatus for correcting and indicating errors in redundantly recorded information

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
ARTICLE : "BIT RING SYNCHRONIZATION TO MAGNETIC RECORDED DATA" ICE .) *
AVRIL 1974 *
PAGE 3754 *
REVUE US: "IBM TECHNICAL DISCLOSURE BULLETIN", VOL. 16 *

Also Published As

Publication number Publication date
FR2295513B2 (forum.php) 1978-10-13

Similar Documents

Publication Publication Date Title
KR910008467B1 (ko) 디지탈 오디오 디스크 장치
KR920006912A (ko) 유료도로표의 자기기록방법 및 회로
KR920702532A (ko) 주 데이타 화일 및 제어 화일이 기록되는 기록 캐리어, 그들 화일을 기록하기 위한 방법 및 장치와, 그 기록 캐리어를 판독하기 위한 장치
TW342561B (en) Encoding system
EP0333954A3 (en) Method of recording and reproducing picture information, recording medium, and recording medium playing apparatus
KR970701906A (ko) 자기 매체 시스템의 자동 분할 필드 계산 장치 및 방법(Method and apparatus for automatic sector pulse generation and split field calculation in disk drives)
EP0342803A3 (en) Method and apparatus for recording and reproducing picture information, and recording medium
US3623041A (en) Method and apparatus for encoding and decoding digital data
KR890001465B1 (en) Method of recording a digital information signal on a record carrier
KR870009326A (ko) 자기기록 재생방법
US3235855A (en) Binary magnetic recording apparatus
GB1123055A (en) Digital storage system
KR870003493A (ko) 디지탈 신호 기록 재생 시스템
US4791497A (en) Apparatus for recording and/or reproducing, in successive slant tracks on a record tape, at least an audio signal and an index signal for controlling tape transport
FR2293035A1 (fr) Systeme de lecture d'un enregistrement optique de donnees numeriques binaires
US4314355A (en) Apparatus and method for receiving digital data at a first rate and outputting the data at a different rate
KR880002178A (ko) 회전 헤드형의 기록재생 장치
KR900008497A (ko) 기록매체 구동기구를 동기화하는 방법 및 장치
FR2248574A1 (en) System for recording numerical programme on magnetic tape - has counter determining period double that of introduction sign, with detection and verification
KR910014911A (ko) 디지탈 데이타 기록 재생 장치
FR2295513A2 (fr) Systeme de haute securite d'enregistrement ou de restitution d'informations numeriques sur bande magnetique en cassette
KR880006688A (ko) 기록장치
DE3167931D1 (en) System for recording digital information in a pulse-length modulation format
GB1404541A (en) Information storage system
EP0254279B1 (en) Rotary head type recording and/or reproducing apparatus