3523229

Information

• Patent Grant
• 3523229

• References
• Source

• Patent Number

  3,523,229

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1970
  54 years ago

• CPC

  • G05D3/20 - using a digital comparing device
  • G05B19/27 - using an absolute digital measuring device
  • G05B19/293 - with speed feedback only
  • G05B2219/41021 - Variable gain
  • G05B2219/41086 - Bang bang control
  • G05B2219/41459 - Time counter and phase discriminator
  • G05B2219/42202 - Square of distance
  • H03M1/26 - with weighted coding, i.e. the weight given to a digit depends on the position of the digit within the block or code word

• US Classifications

  • 318 - Electricity: motive power systems