FR2117057A5 - - Google Patents

Info

Publication number
FR2117057A5
FR2117057A5 FR7137576A FR7137576A FR2117057A5 FR 2117057 A5 FR2117057 A5 FR 2117057A5 FR 7137576 A FR7137576 A FR 7137576A FR 7137576 A FR7137576 A FR 7137576A FR 2117057 A5 FR2117057 A5 FR 2117057A5
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
FR7137576A
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR2117057A5 publication Critical patent/FR2117057A5/fr
Expired 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
    • G11B20/10009—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
    • G11B20/10212—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter compensation for data shift, e.g. pulse-crowding effects

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Digital Magnetic Recording (AREA)
FR7137576A 1970-12-07 1971-10-12 Expired FR2117057A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9578470A 1970-12-07 1970-12-07

Publications (1)

Publication Number Publication Date
FR2117057A5 true FR2117057A5 (fr) 1972-07-21

Family

ID=22253566

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7137576A Expired FR2117057A5 (fr) 1970-12-07 1971-10-12

Country Status (5)

Country Link
US (1) US3622894A (fr)
JP (1) JPS5340085B1 (fr)
DE (1) DE2148743A1 (fr)
FR (1) FR2117057A5 (fr)
GB (1) GB1357949A (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852810A (en) * 1972-03-17 1974-12-03 Gen Instrument Corp Self-clocking nrz recording and reproduction system
US3736582A (en) * 1972-03-20 1973-05-29 Leach Corp Galloping base line compensating circuit
US3789377A (en) * 1972-05-26 1974-01-29 Lockheed Electronics Co Pseudo-random sequence synchronization for magnetic recording system
US3828362A (en) * 1973-01-26 1974-08-06 Ibm Binary signal data detection
US3838448A (en) * 1973-02-07 1974-09-24 Control Data Corp Compensated baseline circuit
US3810067A (en) * 1973-05-23 1974-05-07 Iomec Electrical signal filter
US3930265A (en) * 1974-06-07 1975-12-30 Vrc California High density magnetic storage system
US4027335A (en) * 1976-03-19 1977-05-31 Ampex Corporation DC free encoding for data transmission system
USRE31311E (en) * 1976-03-19 1983-07-12 Ampex Corporation DC Free encoding for data transmission system
DE3502638A1 (de) * 1985-01-26 1986-07-31 MWB Messwandler-Bau AG, 8600 Bamberg Verfahren, schaltung und einrichtung zur beseitigung der gleichspannungskomponente eines kapazitiven wechselspannungsteilers
GB2205467B (en) * 1987-05-28 1992-02-12 Apple Computer Disk drive controller
US5151985A (en) * 1987-05-28 1992-09-29 Apple Computer, Inc. Disk drive controller

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3067422A (en) * 1958-12-24 1962-12-04 Ibm Phase distortion correction for high density magnetic recording
US3146430A (en) * 1961-10-31 1964-08-25 Honeywell Regulator Co Electrical apparatus for monitoring a record tape
US3521041A (en) * 1967-07-19 1970-07-21 Ibm Digital filters
US3524164A (en) * 1968-01-15 1970-08-11 Ibm Detection and error checking system for binary data
US3539824A (en) * 1968-09-03 1970-11-10 Gen Electric Current-mode data selector

Also Published As

Publication number Publication date
DE2148743A1 (de) 1972-06-08
US3622894A (en) 1971-11-23
GB1357949A (en) 1974-06-26
JPS5340085B1 (fr) 1978-10-25

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Legal Events

Date Code Title Description
ST Notification of lapse