3509557

Information

• Patent Grant
• 3509557

• References
• Source

• Patent Number

  3,509,557

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1970
  54 years ago

• CPC

  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • H03M2201/01 - First edition
  • H03M2201/1109 - Servo-systems for A/D conversion
  • H03M2201/1163 - the counter being a reversible one
  • H03M2201/194 - Control systems
  • H03M2201/24 - Intermediate conversion to pulse frequency type
  • H03M2201/32 - Intermediate conversion to time interval type
  • H03M2201/4135 - Momentary value
  • H03M2201/416 - Frequency modulated carrier
  • H03M2201/418 - Width modulated pulses
  • H03M2201/4204 - positive/negative indication
  • H03M2201/4225 - Parallel
  • H03M2201/4233 - Bivalued
  • H03M2201/4262 - Binary radix
  • H03M2201/4266 - Decimal radix
  • H03M2201/514 - Electrical/other electrical
  • H03M2201/52 - Digital conversions
  • H03M2201/524 - Binary/decimal
  • H03M2201/648 - Output smoothing
  • H03M2201/91 - Theory

• US Classifications

  • 341 - Coded data generation or conversion