GB1345237A - Servo system - Google Patents

Servo system

Info

Publication number
GB1345237A
GB1345237A GB3060971A GB3060971A GB1345237A GB 1345237 A GB1345237 A GB 1345237A GB 3060971 A GB3060971 A GB 3060971A GB 3060971 A GB3060971 A GB 3060971A GB 1345237 A GB1345237 A GB 1345237A
Authority
GB
United Kingdom
Prior art keywords
vibrator
gates
pulses
pulse trains
peaks
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.)
Expired
Application number
GB3060971A
Other languages
English (en)
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
Publication of GB1345237A publication Critical patent/GB1345237A/en
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
    • G11B20/16—Digital recording or reproducing using non self-clocking codes, i.e. the clock signals are either recorded in a separate clocking track or in a combination of several information tracks
    • 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
    • G11B5/596—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 for track following on disks
    • G11B5/59605—Circuits
    • G11B5/59616—Synchronisation; Clocking

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Control Of Position Or Direction (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Dc Digital Transmission (AREA)
GB3060971A 1970-07-17 1971-06-30 Servo system Expired GB1345237A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5579270A 1970-07-17 1970-07-17

Publications (1)

Publication Number Publication Date
GB1345237A true GB1345237A (en) 1974-01-30

Family

ID=22000185

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3060971A Expired GB1345237A (en) 1970-07-17 1971-06-30 Servo system

Country Status (7)

Country Link
US (1) US3609562A (enExample)
JP (1) JPS5326484B1 (enExample)
CA (1) CA925955A (enExample)
DE (1) DE2134882A1 (enExample)
FR (1) FR2097965A5 (enExample)
GB (1) GB1345237A (enExample)
NL (1) NL166146C (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5807832A (en) * 1987-06-09 1998-09-15 Biotech Australia Pty Limited Oral delivery of biologically active substances bound to vitamin B12

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2470425A1 (fr) * 1979-11-19 1981-05-29 Cii Honeywell Bull Procede pour mesurer la position d'une tete de lecture-ecriture des informations d'un support par rapport a une position de reference de celui-ci et dispositif pour le mettre en oeuvre
US5491681A (en) * 1993-12-13 1996-02-13 I M P, Inc. Peak detector for amplitude modulated signals
US20050175195A1 (en) * 2004-02-10 2005-08-11 Cheney Maynard C.Jr. Detecting connectivity of a speaker
US8063698B2 (en) * 2008-05-02 2011-11-22 Bose Corporation Bypassing amplification
US8325931B2 (en) * 2008-05-02 2012-12-04 Bose Corporation Detecting a loudspeaker configuration

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5807832A (en) * 1987-06-09 1998-09-15 Biotech Australia Pty Limited Oral delivery of biologically active substances bound to vitamin B12

Also Published As

Publication number Publication date
CA925955A (en) 1973-05-08
FR2097965A5 (enExample) 1972-03-03
NL166146B (nl) 1981-01-15
JPS5326484B1 (enExample) 1978-08-02
NL7107596A (enExample) 1972-01-19
NL166146C (nl) 1981-06-15
US3609562A (en) 1971-09-28
DE2134882A1 (de) 1972-01-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee