FR2244225B1 - - Google Patents

Info

Publication number
FR2244225B1
FR2244225B1 FR7333582A FR7333582A FR2244225B1 FR 2244225 B1 FR2244225 B1 FR 2244225B1 FR 7333582 A FR7333582 A FR 7333582A FR 7333582 A FR7333582 A FR 7333582A FR 2244225 B1 FR2244225 B1 FR 2244225B1
Authority
FR
France
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.)
Expired
Application number
FR7333582A
Other versions
FR2244225A1 (fr
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 SA
Original Assignee
Bull SA
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 Bull SA filed Critical Bull SA
Priority to FR7333582A priority Critical patent/FR2244225B1/fr
Publication of FR2244225A1 publication Critical patent/FR2244225A1/fr
Application granted granted Critical
Publication of FR2244225B1 publication Critical patent/FR2244225B1/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09Digital recording
FR7333582A 1973-09-19 1973-09-19 Expired FR2244225B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7333582A FR2244225B1 (fr) 1973-09-19 1973-09-19

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FR7333582A FR2244225B1 (fr) 1973-09-19 1973-09-19
GB3952974A GB1481070A (en) 1973-09-19 1974-09-10 Apparatus for reading a binary-coded magnetic recording
IT2725974A IT1021353B (it) 1973-09-19 1974-09-13 Dispositivo per la lettura di una registrazione magnetica codifica ta in codice binario
US05/507,136 US3953888A (en) 1973-09-19 1974-09-18 Device for reading a binary-coded magnetic recording
JP10720774A JPS5057614A (fr) 1973-09-19 1974-09-19

Publications (2)

Publication Number Publication Date
FR2244225A1 FR2244225A1 (fr) 1975-04-11
FR2244225B1 true FR2244225B1 (fr) 1979-04-13

Family

ID=9125248

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7333582A Expired FR2244225B1 (fr) 1973-09-19 1973-09-19

Country Status (5)

Country Link
US (1) US3953888A (fr)
JP (1) JPS5057614A (fr)
FR (1) FR2244225B1 (fr)
GB (1) GB1481070A (fr)
IT (1) IT1021353B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6131673B2 (fr) * 1977-05-10 1986-07-22 Matsushita Electric Ind Co Ltd
GB8307428D0 (en) * 1983-03-17 1983-04-27 Aruga M Recording and reconstructing digital data
US4841398A (en) * 1987-02-17 1989-06-20 Magnetic Peripherals Inc. Non linear magnetoresistive sensor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2868890A (en) * 1953-09-04 1959-01-13 Armour Res Found Non-linear magnetic recording compensation
US3007010A (en) * 1957-11-01 1961-10-31 Dresser Ind Compensation for distortion in magnetic recording
US3265818A (en) * 1962-05-28 1966-08-09 Ampex Signal system optimization in magnetic tape apparatus for processing continuous nonpictorial wideband signals
US3441921A (en) * 1965-10-05 1969-04-29 Rca Corp Self-synchronizing readout with low frequency compensation
US3568174A (en) * 1968-03-15 1971-03-02 Rca Corp Compensated readback circuit
US3686682A (en) * 1970-08-17 1972-08-22 Burroughs Corp Method and apparatus for testing magnetic disc files
US3797038A (en) * 1971-04-29 1974-03-12 Bettrone Elctronics Corp Data or audio recording and playback apparatus
US3781488A (en) * 1971-06-22 1973-12-25 Bell & Howell Co Playback system with frequency equalization by cascaded circuits performing in accordance with partial fraction expansions of factorial equalizing function terms

Also Published As

Publication number Publication date
JPS5057614A (fr) 1975-05-20
GB1481070A (en) 1977-07-27
US3953888A (en) 1976-04-27
IT1021353B (it) 1978-01-30
FR2244225A1 (fr) 1975-04-11

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse