GB1354780A - Memory store arrangements - Google Patents

Memory store arrangements

Info

Publication number
GB1354780A
GB1354780A GB3268871A GB3268871A GB1354780A GB 1354780 A GB1354780 A GB 1354780A GB 3268871 A GB3268871 A GB 3268871A GB 3268871 A GB3268871 A GB 3268871A GB 1354780 A GB1354780 A GB 1354780A
Authority
GB
United Kingdom
Prior art keywords
zero
amplifier
slide
count
signal
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
GB3268871A
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.)
Siemens Corp
Original Assignee
Siemens 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 Siemens Corp filed Critical Siemens Corp
Publication of GB1354780A publication Critical patent/GB1354780A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/20—Control of position or direction using feedback using a digital comparing device
    • G05D3/203—Control of position or direction using feedback using a digital comparing device using fine or coarse devices
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/14—Control of position or direction using feedback using an analogue comparing device
    • G05D3/1436—Control of position or direction using feedback using an analogue comparing device with fine or coarse devices
    • 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
    • G11B5/54—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 into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk 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
    • G11B5/54—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 into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5552—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Linear Motors (AREA)
GB3268871A 1970-07-14 1971-07-13 Memory store arrangements Expired GB1354780A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702034933 DE2034933A1 (de) 1970-07-14 1970-07-14 Plattenspeicher

Publications (1)

Publication Number Publication Date
GB1354780A true GB1354780A (en) 1974-06-05

Family

ID=5776747

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3268871A Expired GB1354780A (en) 1970-07-14 1971-07-13 Memory store arrangements

Country Status (7)

Country Link
BE (1) BE769996R (enExample)
DE (1) DE2034933A1 (enExample)
FR (1) FR2100900B2 (enExample)
GB (1) GB1354780A (enExample)
IT (1) IT984566B (enExample)
LU (1) LU63510A1 (enExample)
NL (1) NL7109658A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2941792A1 (de) * 1978-10-17 1980-04-30 Philips Nv Optische lesevorrichtung zum auslesen eines scheibenfoermigen aufzeichnungstraegers

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA995300A (en) * 1972-08-21 1976-08-17 John Cuda Coarse and fine control for position servo

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2941792A1 (de) * 1978-10-17 1980-04-30 Philips Nv Optische lesevorrichtung zum auslesen eines scheibenfoermigen aufzeichnungstraegers

Also Published As

Publication number Publication date
IT984566B (it) 1974-11-20
FR2100900A2 (enExample) 1972-03-24
BE769996R (fr) 1972-01-14
NL7109658A (enExample) 1972-01-18
FR2100900B2 (enExample) 1973-06-29
LU63510A1 (enExample) 1972-03-24
DE2034933A1 (de) 1972-01-27

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee