3504362

Information

• Patent Grant
• 3504362

• References
• Source

• Patent Number

  3,504,362

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1970
  54 years ago

• CPC

  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • G05B19/311 - the positional error is used to control continuously the servomotor according to its magnitude
  • G05B19/313 - with speed feedback only
  • G05B2219/33268 - D-A, A-D
  • G05B2219/34156 - Slope control, delta x, y proportional to x, y
  • G05B2219/41455 - Servo loop with absolute digital comparator, see figure SE-one
  • G05B2219/43187 - Vector speed, ratio between axis, without feedback
  • H03M2201/01 - First edition
  • H03M2201/122 - Servo-systems for D/A conversion
  • H03M2201/126 - with auxiliary D/A conversion of the error signal
  • H03M2201/128 - using a servomotor as analogue generator
  • H03M2201/194 - Control systems
  • H03M2201/2114 - with denominational arrangement
  • H03M2201/3105 - Successive addition or subtraction of selected values
  • H03M2201/3115 - Simultaneous addition or subtraction of selected values
  • H03M2201/3131 - Direct selection from all possible values
  • H03M2201/3157 - Specific kinds of quantisation values
  • H03M2201/3168 - Resistors
  • H03M2201/4105 - Positive/negative indication
  • H03M2201/412 - representing linear position
  • H03M2201/4125 - representing angular position
  • H03M2201/4135 - Momentary value
  • H03M2201/4204 - positive/negative indication
  • H03M2201/4225 - Parallel
  • H03M2201/4233 - Bivalued
  • H03M2201/4262 - Binary radix
  • H03M2201/51 - Analogue conversions
  • H03M2201/512 - Mechanical/electrical
  • H03M2201/53 - Non-linear conversions
  • H03M2201/532 - Specific type of non-linearity
  • H03M2201/60 - Fidelity improvement
  • H03M2201/6121 - Automatic
  • H03M2201/8132 - Transistors
  • H03M2201/8144 - Zener diodes
  • H03M2201/844 - Servomotors

• US Classifications

  • 341 - Coded data generation or conversion
  • 246 - Railway switches and signals
  • 318 - Electricity: motive power systems
  • 700 - Data processing: generic control systems or specific applications