3577085

Information

• Patent Grant
• 3577085

• References
• Source

• Patent Number

  3,577,085

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1971
  53 years ago

• CPC

  • G06F7/50 - Adding Subtracting
  • G06F7/66 - wherein pulses represent unitary increments only
  • H03K5/26 - the characteristic being duration, interval, position, frequency, or sequence
  • H03K21/00 - Details of pulse counters or frequency dividers
  • H03K21/02 - Input circuits
  • H03K23/002 - using semiconductor devices
  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • G06F2207/4915 - Using 4221 code
  • 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
  • H03M2201/192 - Measuring systems
  • H03M2201/194 - Control systems
  • H03M2201/2114 - with denominational arrangement
  • H03M2201/2133 - with directional discrimination
  • H03M2201/2159 - Switches commutators
  • H03M2201/2185 - Photoelectric
  • H03M2201/4105 - Positive/negative indication
  • H03M2201/4125 - representing angular position
  • H03M2201/4135 - Momentary value
  • H03M2201/4204 - positive/negative indication
  • H03M2201/4225 - Parallel
  • H03M2201/4233 - Bivalued
  • H03M2201/4258 - Denominational
  • H03M2201/4262 - Binary radix
  • H03M2201/512 - Mechanical/electrical
  • H03M2201/52 - Digital conversions
  • H03M2201/521 - Bivalued/multivalued
  • H03M2201/72 - Computing
  • H03M2201/915 - Code theory

• US Classifications

  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems