3812481

Information

• Patent Grant
• 3812481

• References
• Source

• Patent Number

  3,812,481

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1974
  50 years ago

• CPC

  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • G01D5/2073 - by movement of a single coil with respect to two or more coils
  • G01P3/481 - of pulse signals
  • G01P3/484 - delivered by contact-making switches
  • G01P13/045 - with speed indication
  • H03M2201/01 - First edition
  • H03M2201/16 - Coarse and fine conversions
  • H03M2201/192 - Measuring systems
  • H03M2201/194 - Control systems
  • H03M2201/2114 - with denominational arrangement
  • H03M2201/2133 - with directional discrimination
  • H03M2201/2177 - using a recorded pattern
  • H03M2201/2181 - using variable reluctance
  • H03M2201/4125 - representing angular position
  • H03M2201/415 - Amplitude modulated carrier
  • H03M2201/4155 - Phase modulated carrier
  • H03M2201/4185 - Frequency modulated pulses
  • H03M2201/4212 - Serial
  • H03M2201/4233 - Bivalued
  • H03M2201/4279 - Pure
  • H03M2201/4287 - Combination code other than those forming a straight power series
  • H03M2201/512 - Mechanical/electrical
  • H03M2201/514 - Electrical/other electrical
  • H03M2201/93 - Constructional details

• US Classifications

  • 340 - Communications: electrical
  • 336 - Inductor devices