2877398

Information

• Patent Grant
• 2877398

• References
• Source

• Patent Number

  2,877,398

• Date Filed

  Not available

• Date Issued

  Tuesday, March 10, 1959
  65 years ago

• CPC

  • G06F7/502 - Half adders Full adders consisting of two cascaded half adders
  • G05D3/20 - using a digital comparing device
  • G06F7/026 - Magnitude comparison, i.e. determining the relative order of operands based on their numerical value
  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • H03M2201/01 - First edition
  • H03M2201/126 - with auxiliary D/A conversion of the error signal
  • H03M2201/128 - using a servomotor as analogue generator
  • H03M2201/194 - Control systems
  • H03M2201/2133 - with directional discrimination
  • H03M2201/2185 - Photoelectric
  • H03M2201/3115 - Simultaneous addition or subtraction of selected values
  • H03M2201/3131 - Direct selection from all possible values
  • H03M2201/4105 - Positive/negative indication
  • H03M2201/4125 - representing angular position
  • H03M2201/415 - Amplitude modulated carrier
  • H03M2201/4204 - positive/negative indication
  • H03M2201/4212 - Serial
  • H03M2201/4233 - Bivalued
  • H03M2201/4262 - Binary radix
  • H03M2201/514 - Electrical/other electrical
  • H03M2201/53 - Non-linear conversions
  • H03M2201/532 - Specific type of non-linearity
  • H03M2201/8108 - Vacuum tubes
  • H03M2201/8128 - Diodes
  • H03M2201/8192 - Photoelectric devices
  • H03M2201/844 - Servomotors
  • Y10T409/300896 - with sensing of numerical information and regulation without mechanical connection between sensing means and regulated means [i.e., numerical control]
  • Y10T409/30112 - Process

• US Classifications

  • 318 - Electricity: motive power systems
  • 341 - Coded data generation or conversion
  • 409 - Gear cutting, milling, or planing