3731176

Information

• Patent Grant
• 3731176

• References
• Source

• Patent Number

  3,731,176

• Date Filed

  Not available

• Date Issued

  Tuesday, May 1, 1973
  51 years ago

• CPC

  • G05B19/232 - with speed feedback only
  • G11B15/48 - Starting Accelerating Decelerating Arrangements preventing malfunction during drive change
  • G05B2219/41021 - Variable gain
  • G05B2219/41244 - Dead band, zone
  • G05B2219/43006 - Acceleration, deceleration control
  • G05B2219/43179 - Speed changes gradualy from constant value to zero
  • G05B2219/43194 - Speed steps, switch over as function of position

• US Classifications

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