3320501

Information

• Patent Grant
• 3320501

• References
• Source

• Patent Number

  3,320,501

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1967
  58 years ago

• CPC

  • G05B19/351 - the positional error is used to control continuously the servomotor according to its magnitude
  • G01D5/38 - by diffraction gratings
  • G05B19/07 - where the programme is defined in the fixed connection of electrical elements
  • H03C3/00 - Angle modulation
  • H03K7/00 - Modulating pulses with a continuously-variable modulating signal
  • G05B2219/41461 - Phase counter and phase discriminator, phase locked motion

• US Classifications

  • 318 - Electricity: motive power systems
  • 326 - Electronic digital logic circuitry
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 340 - Communications: electrical