3668693

Information

• Patent Grant
• 3668693

• References
• Source

• Patent Number

  3,668,693

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1972
  52 years ago

• CPC

  • H03K7/06 - Frequency or rate modulation
  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • H03M2201/01 - First edition
  • H03M2201/1109 - Servo-systems for A/D conversion
  • H03M2201/1136 - with auxiliary A/D conversion of the error signal
  • H03M2201/1163 - the counter being a reversible one
  • H03M2201/16 - Coarse and fine conversions
  • H03M2201/17 - Multiplexing
  • H03M2201/24 - Intermediate conversion to pulse frequency type
  • H03M2201/3105 - Successive addition or subtraction of selected values
  • H03M2201/3115 - Simultaneous addition or subtraction of selected values
  • H03M2201/3131 - Direct selection from all possible values
  • H03M2201/3142 - Series network
  • H03M2201/3168 - Resistors
  • H03M2201/4125 - representing angular position
  • H03M2201/415 - Amplitude modulated carrier
  • H03M2201/4225 - Parallel
  • H03M2201/4233 - Bivalued
  • H03M2201/4262 - Binary radix
  • H03M2201/512 - Mechanical/electrical
  • H03M2201/514 - Electrical/other electrical
  • H03M2201/52 - Digital conversions
  • H03M2201/533 - Goniometric
  • H03M2201/72 - Computing
  • H03M2201/8132 - Transistors
  • H03M2201/843 - Resolvers
  • H03M2201/91 - Theory

• US Classifications

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