3167644

Information

• Patent Grant
• 3167644

• References
• Source

• Patent Number

  3,167,644

• Date Filed

  Not available

• Date Issued

  Tuesday, January 26, 1965
  60 years ago

• CPC

  • G06J1/00 - Hybrid computing arrangements
  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • H03M2201/01 - First edition
  • H03M2201/122 - Servo-systems for D/A conversion
  • H03M2201/128 - using a servomotor as analogue generator
  • H03M2201/192 - Measuring systems
  • H03M2201/214 - Anti-ambiguity arrangements
  • H03M2201/2159 - Switches commutators
  • H03M2201/2305 - in which a reference signal sweeps through the range of possible values
  • H03M2201/2322 - using a stepwise varying analogue reference signal
  • H03M2201/3105 - Successive addition or subtraction of selected values
  • H03M2201/3142 - Series network
  • H03M2201/3157 - Specific kinds of quantisation values
  • H03M2201/3168 - Resistors
  • H03M2201/4125 - representing angular position
  • H03M2201/4175 - Time modulated pulses
  • H03M2201/4185 - Frequency modulated pulses
  • H03M2201/4212 - Serial
  • H03M2201/4225 - Parallel
  • H03M2201/4233 - Bivalued
  • H03M2201/425 - Non-denominational
  • H03M2201/4262 - Binary radix
  • H03M2201/4279 - Pure
  • H03M2201/512 - Mechanical/electrical
  • H03M2201/514 - Electrical/other electrical
  • H03M2201/52 - Digital conversions
  • H03M2201/522 - Non-denominational/denominational Pure/combination code
  • H03M2201/526 - Parallel/serial
  • H03M2201/537 - Integration
  • H03M2201/60 - Fidelity improvement
  • H03M2201/6121 - Automatic
  • H03M2201/712 - at input
  • H03M2201/715 - Electrical
  • H03M2201/72 - Computing
  • H03M2201/844 - Servomotors
  • H03M2201/853 - Reduction gearings
  • H03M2201/856 - Shaft couplings

• US Classifications

  • 708 - Electrical computers: arithmetic processing and calculating
  • 318 - Electricity: motive power systems
  • 341 - Coded data generation or conversion