3686487

Information

• Patent Grant
• 3686487

• References
• Source

• Patent Number

  3,686,487

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1972
  52 years ago

• CPC

  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • G01D5/208 - using polyphase currents
  • H03M2201/01 - First edition
  • H03M2201/17 - Multiplexing
  • H03M2201/192 - Measuring systems
  • H03M2201/194 - Control systems
  • H03M2201/24 - Intermediate conversion to pulse frequency type
  • H03M2201/32 - Intermediate conversion to time interval type
  • H03M2201/4105 - Positive/negative indication
  • H03M2201/415 - Amplitude modulated carrier
  • H03M2201/418 - Width modulated pulses
  • H03M2201/4204 - positive/negative indication
  • H03M2201/4212 - Serial
  • H03M2201/4225 - Parallel
  • H03M2201/4233 - Bivalued
  • H03M2201/425 - Non-denominational
  • H03M2201/4258 - Denominational
  • H03M2201/4262 - Binary radix
  • H03M2201/4266 - Decimal radix
  • H03M2201/514 - Electrical/other electrical
  • H03M2201/533 - Goniometric
  • H03M2201/842 - Synchro
  • H03M2201/843 - Resolvers

• US Classifications

  • 702 - Data processing: measuring, calibrating, or testing
  • 318 - Electricity: motive power systems
  • 341 - Coded data generation or conversion
  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems