3089989

Information

• Patent Grant
• 3089989

• References
• Source

• Patent Number

  3,089,989

• Date Filed

  Not available

• Date Issued

  Tuesday, May 14, 1963
  61 years ago

• CPC

  • G05B19/351 - the positional error is used to control continuously the servomotor according to its magnitude
  • G01D13/02 - Scales Dials
  • G05B2219/45248 - Turning
  • Y10T307/76 - Selectively actuated
  • Y10T409/308792 - Indexable

• US Classifications

  • 318 - Electricity: motive power systems
  • 091 - Motors: expansible chamber type
  • 200 - Electricity: circuit makers and breakers
  • 307 - Electrical transmission or interconnection systems
  • 323 - Electricity: power supply or regulation systems
  • 409 - Gear cutting, milling, or planing