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)

Applications Claiming Priority (1)

Publications (1)

Family

ID=5776747

Family Applications (1)

Country Status (7)

Families Citing this family (2)

• 1970
  • 1970-07-14 DE DE19702034933 patent/DE2034933A1/de active Pending
• 1971
  • 1971-07-08 IT IT2669271A patent/IT984566B/it active
  • 1971-07-12 LU LU63510D patent/LU63510A1/xx unknown
  • 1971-07-13 GB GB3268871A patent/GB1354780A/en not_active Expired
  • 1971-07-13 NL NL7109658A patent/NL7109658A/xx unknown
  • 1971-07-13 FR FR7125611A patent/FR2100900B2/fr not_active Expired
  • 1971-07-14 BE BE769996A patent/BE769996R/xx active

Also Published As

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