3663880

Information

• Patent Grant
• 3663880

• References
• Source

• Patent Number

  3,663,880

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1972
  52 years ago

• CPC

  • G11B5/5547 - "Seek" control and circuits therefor
  • G05B19/39 - using a combination of the means covered by at least two of the preceding sub-groups G05B19/21, G05B19/27, and G05B19/33
  • G05B2219/37313 - Derive speed from position
  • G05B2219/37314 - Derive position from speed
  • G05B2219/42114 - Loop mode, dual mode incremental coarse, analog fine

• US Classifications

  • 318 - Electricity: motive power systems
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER