3315250

Information

• Patent Grant
• 3315250

• References
• Source

• Patent Number

  3,315,250

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1967
  57 years ago

• CPC

  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • G05D7/0635 - by action on throttling means
  • 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
  • H03M2201/16 - Coarse and fine conversions
  • H03M2201/194 - Control systems
  • H03M2201/198 - Computing systems
  • H03M2201/30 - D/A converters
  • H03M2201/412 - representing linear position
  • H03M2201/4125 - representing angular position
  • H03M2201/4135 - Momentary value
  • H03M2201/4212 - Serial
  • H03M2201/4233 - Bivalued
  • H03M2201/425 - Non-denominational
  • H03M2201/4279 - Pure
  • H03M2201/512 - Mechanical/electrical
  • H03M2201/60 - Fidelity improvement
  • H03M2201/6121 - Automatic
  • H03M2201/844 - Servomotors
  • H03M2201/93 - Constructional details
  • Y10T137/2278 - Pressure modulating relays or followers
  • Y10T137/2409 - With counter-balancing pressure feedback to the modulating device

• US Classifications

  • 341 - Coded data generation or conversion
  • 137 - Fluid handling
  • 251 - Valves and valve actuation
  • 700 - Data processing: generic control systems or specific applications