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ES525664A0 - Un aparato para leer un portador de registro - Google Patents

Un aparato para leer un portador de registro

Info

Publication number
ES525664A0
ES525664A0 ES525664A ES525664A ES525664A0 ES 525664 A0 ES525664 A0 ES 525664A0 ES 525664 A ES525664 A ES 525664A ES 525664 A ES525664 A ES 525664A ES 525664 A0 ES525664 A0 ES 525664A0
Authority
ES
Spain
Prior art keywords
tracking signals
record carrier
signal
read
correction circuit
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
ES525664A
Other languages
English (en)
Other versions
ES8405543A1 (es
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES8405543A1 publication Critical patent/ES8405543A1/es
Publication of ES525664A0 publication Critical patent/ES525664A0/es
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed
    • G11B15/463—Controlling, regulating, or indicating speed by using pilot tracking tones embedded in binary coded signals, e.g. using DSV/CDS values of coded signals
    • 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Lock And Its Accessories (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Automatic Tape Cassette Changers (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
ES525664A 1982-09-20 1983-09-16 Un aparato para leer un portador de registro Granted ES525664A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8203618A NL8203618A (nl) 1982-09-20 1982-09-20 Inrichting voor het uitlezen van een registratiedrager.

Publications (2)

Publication Number Publication Date
ES8405543A1 ES8405543A1 (es) 1984-06-01
ES525664A0 true ES525664A0 (es) 1984-06-01

Family

ID=19840286

Family Applications (1)

Application Number Title Priority Date Filing Date
ES525664A Granted ES525664A0 (es) 1982-09-20 1983-09-16 Un aparato para leer un portador de registro

Country Status (9)

Country Link
US (1) US4542425A (es)
EP (1) EP0104701B1 (es)
JP (1) JPS5982622A (es)
AT (1) ATE20985T1 (es)
AU (1) AU556073B2 (es)
CA (1) CA1213040A (es)
DE (1) DE3364727D1 (es)
ES (1) ES525664A0 (es)
NL (1) NL8203618A (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5157697A (en) * 1991-03-21 1992-10-20 Novatel Communications, Ltd. Receiver employing correlation technique for canceling cross-talk between in-phase and quadrature channels prior to decoding
US5991108A (en) * 1996-03-08 1999-11-23 Matsushita Electric Industrial Co., Ltd. Recording and reproducing apparatus
US6028731A (en) * 1996-03-29 2000-02-22 Bond; Charles R. Method and system for providing servo signals to a magnetic head positioning system of disk drive

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151570A (en) * 1976-03-22 1979-04-24 Ampex Corporation Automatic scan tracking using a magnetic head supported by a piezoelectric bender element
NL7801318A (nl) * 1978-02-06 1979-08-08 Philips Nv Werkwijze voor het regelen van de positie van een schrijf-leeskop en inrichting voor het uitvoeren van de werkwijze.
JPS55113175A (en) * 1979-02-23 1980-09-01 Victor Co Of Japan Ltd Information signal recording medium and its recording system
NL8000121A (nl) * 1980-01-09 1981-08-03 Philips Nv Schijfvormige, optische uitleesbare registratiedrager als opslagmedium voor datainformatie, inrichting voor het vervaardigen van zo'n registratiedrager, inrichting voor het optekenen van datainformatie in zo'n registratiedrager en inrichting voor het uitlezen van zo'n registratiedrager.
JPS5753823A (en) * 1980-09-17 1982-03-31 Matsushita Electric Ind Co Ltd Tracking control system
US4414586A (en) * 1980-10-07 1983-11-08 Victor Company Of Japan, Ltd. Pilot signal recording and reproducing system
NL8006165A (nl) * 1980-11-12 1982-06-01 Philips Nv Systeem voor het overdragen van digitale informatie, codeerinrichting voor toepassing in dat systeem, decodeerinrichting voor toepassing in dat systeem en registratiedrager voor toepassing in dat systeem.

Also Published As

Publication number Publication date
JPS5982622A (ja) 1984-05-12
EP0104701A1 (en) 1984-04-04
JPH0349150B2 (es) 1991-07-26
NL8203618A (nl) 1984-04-16
AU556073B2 (en) 1986-10-23
ATE20985T1 (de) 1986-08-15
US4542425A (en) 1985-09-17
ES8405543A1 (es) 1984-06-01
EP0104701B1 (en) 1986-07-23
AU1925483A (en) 1984-03-29
CA1213040A (en) 1986-10-21
DE3364727D1 (en) 1986-08-28

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