3376486

Information

• Patent Grant
• 3376486

• References
• Source

• Patent Number

  3,376,486

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1968
  56 years ago

• CPC

  • G05D3/00 - Control of position or direction
  • E05F15/649 - operated by swinging arms
  • E05Y2900/132 - Doors
  • G05B2219/37318 - Derive speed from back electromotive force, bemf
  • G05B2219/43037 - Position, speed as function of position is trapezoid
  • G05B2219/43074 - Control speed, acceleration so as to follow desired speed profile
  • G05B2219/45242 - Door, panel, window operation, opening, closing
  • Y10S388/904 - Stored velocity profile
  • Y10S388/91 - Operational/differential amplifier
  • Y10S388/929 - Fluid/granular material flow rate, pressure, or level
  • Y10S388/931 - Electric generator or magnet as auxiliary load

• US Classifications

  • 318 - Electricity: motive power systems
  • 187 - Elevator, industrial lift truck, or stationary lift for vehicle
  • 388 - Electricity: motor control systems