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
  • G11B21/04—Automatic feed mechanism producing a progressive transducing traverse of the head in a direction which cuts across the direction of travel of the recording medium, e.g. helical scan, e.g. by lead-screw
  • G11B21/043—Automatic feed mechanism producing a progressive transducing traverse of the head in a direction which cuts across the direction of travel of the recording medium, e.g. helical scan, e.g. by lead-screw for stationary discs
• • G—PHYSICS
  • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
  • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
  • G09B5/00—Electrically-operated educational appliances
  • G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
  • G09B5/062—Combinations of audio and printed presentations, e.g. magnetically striped cards, talking books, magnetic tapes with printed texts thereon
• • 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
  • G11B17/022—Positioning or locking of single discs
  • G11B17/025—Positioning or locking of single discs of discs which are stationary during transducing operation
  • G11B17/0255—Positioning or locking of single discs of discs which are stationary during transducing operation flexible discs
• • 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
  • G11B17/32—Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing
• • 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

Landscapes

• Engineering & Computer Science (AREA)
• Multimedia (AREA)
• Business, Economics & Management (AREA)
• Physics & Mathematics (AREA)
• Educational Administration (AREA)
• Educational Technology (AREA)
• General Physics & Mathematics (AREA)
• Theoretical Computer Science (AREA)
• Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
• Recording Or Reproducing By Magnetic Means (AREA)
• Moving Of Heads (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=27285108

Family Applications (1)

Country Status (6)

Families Citing this family (3)

• 1975
  • 1975-10-21 FR FR7532160A patent/FR2294506A1/en active Granted
  • 1975-10-24 DE DE19752547644 patent/DE2547644C3/en not_active Expired
  • 1975-10-29 GB GB4456875A patent/GB1491600A/en not_active Expired
  • 1975-12-08 NL NL7514282A patent/NL184587C/en not_active IP Right Cessation
  • 1975-12-08 BR BR7508127A patent/BR7508127A/en unknown
  • 1975-12-11 IT IT7006075A patent/IT1059860B/en active

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