FR2464531B1 - - Google Patents

Info

Publication number
FR2464531B1
FR2464531B1 FR8018817A FR8018817A FR2464531B1 FR 2464531 B1 FR2464531 B1 FR 2464531B1 FR 8018817 A FR8018817 A FR 8018817A FR 8018817 A FR8018817 A FR 8018817A FR 2464531 B1 FR2464531 B1 FR 2464531B1
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
FR8018817A
Other languages
French (fr)
Other versions
FR2464531A1 (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.)
Fujitsu Services Ltd
Original Assignee
Fujitsu Services Ltd
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 Fujitsu Services Ltd filed Critical Fujitsu Services Ltd
Publication of FR2464531A1 publication Critical patent/FR2464531A1/fr
Application granted granted Critical
Publication of FR2464531B1 publication Critical patent/FR2464531B1/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
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09—Digital recording
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
FR8018817A 1979-08-31 1980-08-29 Appareil et procede de reproduction d'information numerique enregistree sur un support magnetique Granted FR2464531A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7930355 1979-08-31

Publications (2)

Publication Number Publication Date
FR2464531A1 FR2464531A1 (fr) 1981-03-06
FR2464531B1 true FR2464531B1 (enExample) 1984-05-25

Family

ID=10507550

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8018817A Granted FR2464531A1 (fr) 1979-08-31 1980-08-29 Appareil et procede de reproduction d'information numerique enregistree sur un support magnetique

Country Status (7)

Country Link
US (1) US4389682A (enExample)
JP (1) JPS5661015A (enExample)
DE (1) DE3032542A1 (enExample)
FR (1) FR2464531A1 (enExample)
NL (1) NL8004862A (enExample)
SE (1) SE8006038L (enExample)
ZA (1) ZA805184B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA81781B (en) * 1980-02-13 1982-03-31 Int Computers Ltd Digital systems
US4535371A (en) * 1983-05-16 1985-08-13 International Business Machines Corporation Recording channel with signal controlled integrated analog circuits

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215995A (en) * 1962-04-25 1965-11-02 Ibm Passive electric networks for magnetic storage system
GB1353019A (en) * 1970-04-21 1974-05-15 Xerox Corp Channel-shaping filter
DE2126745A1 (de) * 1971-05-28 1972-12-07 Siemens Ag Anordnung zur Korrektur von Verzerrungen bei sogenannten "partial-response"-Datensignalen
US3737808A (en) * 1971-12-29 1973-06-05 Honeywell Inf Systems Pulse shaping network
US3775759A (en) * 1972-01-21 1973-11-27 Ibm Magnetic recording and readback systems with raised cosine equalization
US3899666A (en) * 1973-10-24 1975-08-12 Rca Corp Integral correlation and transverse equalization method and apparatus
US4081756A (en) * 1976-12-30 1978-03-28 Sperry Rand Corporation Dual channel signal detector circuit

Also Published As

Publication number Publication date
ZA805184B (en) 1981-08-26
DE3032542A1 (de) 1981-03-19
NL8004862A (nl) 1981-03-03
FR2464531A1 (fr) 1981-03-06
JPS5661015A (en) 1981-05-26
SE8006038L (sv) 1981-03-01
US4389682A (en) 1983-06-21

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Legal Events

Date Code Title Description
ST Notification of lapse