3789285

Information

• Patent Grant
• 3789285

• References
• Source

• Patent Number

  3,789,285

• Date Filed

  Not available

• Date Issued

  Tuesday, January 29, 1974
  51 years ago

• CPC

  • G05D3/20 - using a digital comparing device
  • G05B19/39 - using a combination of the means covered by at least two of the preceding sub-groups G05B19/21, G05B19/27, and G05B19/33
  • G05D3/183 - using stepping motor
  • G05B2219/37275 - Laser , interferometer
  • G05B2219/41326 - Step motor
  • G05B2219/41354 - Magnetic, thermal, bimetal peltier effect displacement, positioning

• US Classifications

  • 318 - Electricity: motive power systems
  • 310 - Electrical generator or motor structure
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets