Classifications

• • 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
  • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
  • G11B17/02—Details
  • G11B17/038—Centering or locking of a plurality of discs in a single cartridge
• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
  • G11B17/22—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records
  • G11B17/26—Guiding record carriers not specifically of filamentary or web form, or of supports therefor from random access magazine of disc records the magazine having a cylindrical shape with vertical axis
• • 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
  • G11B21/08—Track changing or selecting during transducing operation
  • G11B21/081—Access to indexed tracks or parts of continuous track
• • 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
  • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
  • G11B5/553—Details
  • G11B5/5547—"Seek" control and circuits therefor
• • 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
  • G11B5/59611—Detection or processing of peak/envelop signals

Landscapes

• Engineering & Computer Science (AREA)
• Signal Processing (AREA)
• Moving Of Heads (AREA)
• Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=24338473

Family Applications (1)

Country Status (6)

Families Citing this family (18)

Family Cites Families (4)

• 0
  • NL NL125359D patent/NL125359C/xx active
  • FR FR179326D patent/FR179326A/fr active Active
  • NL NL217213D patent/NL217213A/xx unknown
  • DE DENDAT1074887D patent/DE1074887B/de active Pending
  • BE BE557460D patent/BE557460A/xx unknown
• 1956
  • 1956-05-14 US US584705A patent/US3007144A/en not_active Expired - Lifetime
• 1957
  • 1957-05-13 FR FR1179326D patent/FR1179326A/fr not_active Expired
  • 1957-05-13 GB GB15129/57A patent/GB823748A/en not_active Expired

Also Published As

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