3699555

Information

• Patent Grant
• 3699555

• References
• Source

• Patent Number

  3,699,555

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 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
  • G05D3/14 - using an analogue comparing device
  • G05B2219/37486 - Resolver emits pulses at zerocrossings, counter
  • G05B2219/41469 - Servo loop with counter, see figure SE-fifteen
  • G05B2219/42114 - Loop mode, dual mode incremental coarse, analog fine
  • G05B2219/43006 - Acceleration, deceleration control

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 318 - Electricity: motive power systems
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER