IT1112524B - Procedimento d'asservimento del segnale di lettura d'un supporto d'informazioni,e dispositivo per attuarlo - Google Patents

Procedimento d'asservimento del segnale di lettura d'un supporto d'informazioni,e dispositivo per attuarlo

Info

Publication number
IT1112524B
IT1112524B IT22080/79A IT2208079A IT1112524B IT 1112524 B IT1112524 B IT 1112524B IT 22080/79 A IT22080/79 A IT 22080/79A IT 2208079 A IT2208079 A IT 2208079A IT 1112524 B IT1112524 B IT 1112524B
Authority
IT
Italy
Prior art keywords
serving
implement
procedure
reading signal
information support
Prior art date
Application number
IT22080/79A
Other languages
English (en)
Other versions
IT7922080A0 (it
Original Assignee
Cii
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 Cii filed Critical Cii
Publication of IT7922080A0 publication Critical patent/IT7922080A0/it
Application granted granted Critical
Publication of IT1112524B publication Critical patent/IT1112524B/it

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • 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
    • G11B5/027—Analogue recording
    • G11B5/035—Equalising
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Digital Magnetic Recording (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Manipulation Of Pulses (AREA)
IT22080/79A 1978-04-25 1979-04-23 Procedimento d'asservimento del segnale di lettura d'un supporto d'informazioni,e dispositivo per attuarlo IT1112524B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7812118A FR2424601A1 (fr) 1978-04-25 1978-04-25 Procede d'asservissement du signal de lecture d'un support d'informations et dispositif pour le mettre en oeuvre

Publications (2)

Publication Number Publication Date
IT7922080A0 IT7922080A0 (it) 1979-04-23
IT1112524B true IT1112524B (it) 1986-01-20

Family

ID=9207527

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22080/79A IT1112524B (it) 1978-04-25 1979-04-23 Procedimento d'asservimento del segnale di lettura d'un supporto d'informazioni,e dispositivo per attuarlo

Country Status (5)

Country Link
JP (1) JPS54143611A (it)
DE (1) DE2916473A1 (it)
FR (1) FR2424601A1 (it)
GB (1) GB2022886B (it)
IT (1) IT1112524B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4495528A (en) * 1981-07-10 1985-01-22 Victor Company Of Japan, Ltd. Magnetic reproducing system for a digital signal
JPS5963005A (ja) * 1982-10-04 1984-04-10 Toshiba Corp 磁気記録方式
EP0219037B1 (en) * 1985-10-08 1993-09-15 Sharp Kabushiki Kaisha Waveform processing circuit
JPH02137169A (ja) * 1988-11-17 1990-05-25 Mitsubishi Electric Corp 信号処理回路
JPH02166670A (ja) * 1988-12-20 1990-06-27 Tokico Ltd 磁気ディスク装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4912645B1 (it) * 1969-04-21 1974-03-26
US3593333A (en) * 1969-11-26 1971-07-13 Ibm Position detection for a track following servo system
US3660821A (en) * 1970-06-17 1972-05-02 Burroughs Corp Disc file agc circuit
US3691543A (en) * 1971-02-08 1972-09-12 Ibm Positioning system including servo track configuration and associated demodulator
US3840756A (en) * 1973-02-05 1974-10-08 Honeywell Inf Systems Gain control circuit using sample and hold feedback
US3902190A (en) * 1973-11-23 1975-08-26 Rca Corp Programmable test of read/write circuitry by varying clipping levels
US3879674A (en) * 1973-12-27 1975-04-22 Burroughs Corp Automatic gain control circuit
DE2601437A1 (de) * 1976-01-16 1977-07-21 Licentia Gmbh Schaltung zur gewinnung einer regelspannung aus der ausgangsspannung eines tonfrequenz-verstaerkers fuer eine automatische verstaerkungsregelung
FR2346806A1 (fr) * 1976-03-31 1977-10-28 Honeywell Bull Soc Ind Mode d'ecriture d'adresses sur un support d'enregist rement magnetique

Also Published As

Publication number Publication date
DE2916473A1 (de) 1979-10-31
FR2424601A1 (fr) 1979-11-23
GB2022886B (en) 1983-02-02
DE2916473C2 (it) 1988-08-11
FR2424601B1 (it) 1980-09-19
JPH0135421B2 (it) 1989-07-25
IT7922080A0 (it) 1979-04-23
JPS54143611A (en) 1979-11-09
GB2022886A (en) 1979-12-19

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