3814442

Information

• Patent Grant
• 3814442

• References
• Source

• Patent Number

  3,814,442

• Date Filed

  Not available

• Date Issued

  Tuesday, June 4, 1974
  51 years ago

• CPC

  • G11B19/124 - involving the detection of diameter of disks
  • G11B17/16 - by mechanism in stationary centre post
  • G11B19/10 - by sensing presence or absence of record in accessible stored position or on turntable
  • G11B19/20 - Driving Starting Stopping Control thereof
  • G11B19/26 - Speed-changing arrangements Reversing arrangements Drive-transfer means therefor
  • G11B19/28 - Speed controlling, regulating, or indicating

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER