3081942

Information

• Patent Grant
• 3081942

• References
• Source

• Patent Number

  3,081,942

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1963
  62 years ago

• CPC

  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • F15C4/00 - Circuit elements characterised by their special functions
  • F15B2211/40592 - with multiple valves in parallel flow paths
  • H03M2201/01 - First edition
  • H03M2201/122 - Servo-systems for D/A conversion
  • H03M2201/128 - using a servomotor as analogue generator
  • H03M2201/14 - Scale factor modification
  • H03M2201/194 - Control systems
  • H03M2201/23 - Intermediate conversion to time interval type
  • H03M2201/311 - with plural stages
  • H03M2201/3131 - Direct selection from all possible values
  • H03M2201/4105 - Positive/negative indication
  • H03M2201/4204 - positive/negative indication
  • H03M2201/4212 - Serial
  • H03M2201/4233 - Bivalued
  • H03M2201/4262 - Binary radix
  • H03M2201/512 - Mechanical/electrical
  • H03M2201/534 - Logarithmic, exponential
  • H03M2201/60 - Fidelity improvement
  • H03M2201/6114 - Manual
  • H03M2201/72 - Computing
  • H03M2201/844 - Servomotors
  • H03M2201/93 - Constructional details
  • Y10S91/01 - Digital
  • Y10T137/8729 - Having digital flow controller
  • Y10T137/87314 - Electromagnetic or electric control [e.g., digital control, bistable electro control, etc.]

• US Classifications

  • 341 - Coded data generation or conversion
  • 091 - Motors: expansible chamber type
  • 137 - Fluid handling
  • 235 - Registers
  • 244 - Aeronautics and astronautics