3435314

Information

• Patent Grant
• 3435314

• References
• Source

• Patent Number

  3,435,314

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1969
  55 years ago

• CPC

  • G11B15/005 - Programmed access in sequence to indexed parts of tracks of operating tapes, by driving or guiding the tape
  • G05B19/238 - the positional error is only used to control speed in steps according to distance left, or to give a stop signal when error reaches zero
  • G11B15/20 - Moving record carrier backwards or forwards by finite amounts
  • G05B2219/41326 - Step motor
  • G05B2219/42073 - Position and speed feedback, speed derived from position reference
  • G05B2219/43006 - Acceleration, deceleration control
  • G05B2219/43194 - Speed steps, switch over as function of position

• US Classifications

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