3661428

Information

• Patent Grant
• 3661428

• References
• Source

• Patent Number

  3,661,428

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1972
  53 years ago

• CPC

  • B60T8/324 - Speed measurement by means of centrifugal governers or the like
  • B60T8/172 - Determining control parameters used in the regulation
  • B60T8/58 - responsive to speed and another condition or to plural speed conditions
  • B60T8/72 - responsive to a difference between a speed condition
  • G01R23/09 - using analogue integrators
  • H03K9/06 - of frequency- or rate-modulated pulses

• US Classifications

  • 303 - Fluid-pressure and analogous brake systems
  • 188 - Brakes
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems