3078400

Information

• Patent Grant
• 3078400

• References
• Source

• Patent Number

  3,078,400

• Date Filed

  Not available

• Date Issued

  Tuesday, February 19, 1963
  62 years ago

• CPC

  • G05B19/351 - the positional error is used to control continuously the servomotor according to its magnitude
  • G05D3/122 - without modulation
  • 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
  • H03M2201/194 - Control systems
  • H03M2201/2372 - with intermediate conversion to phase or time of phase reversal
  • H03M2201/3105 - Successive addition or subtraction of selected values
  • H03M2201/311 - with plural stages
  • H03M2201/3131 - Direct selection from all possible values
  • H03M2201/4105 - Positive/negative indication
  • H03M2201/412 - representing linear position
  • H03M2201/4155 - Phase modulated carrier
  • H03M2201/4204 - positive/negative indication
  • H03M2201/4216 - Serial-parallel
  • H03M2201/4233 - Bivalued
  • H03M2201/4237 - Multivalued
  • H03M2201/4266 - Decimal radix
  • H03M2201/4279 - Pure
  • H03M2201/512 - Mechanical/electrical
  • H03M2201/712 - at input
  • H03M2201/715 - Electrical
  • H03M2201/8112 - Gaseous tubes
  • H03M2201/8128 - Diodes
  • H03M2201/842 - Synchro
  • H03M2201/843 - Resolvers
  • H03M2201/847 - Switches
  • H03M2201/848 - Relays
  • H03M2201/853 - Reduction gearings

• US Classifications

  • 318 - Electricity: motive power systems
  • 341 - Coded data generation or conversion