3403392

Information

• Patent Grant
• 3403392

• References
• Source

• Patent Number

  3,403,392

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1968
  56 years ago

• CPC

  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • G01B3/02 - Rulers or tapes with scales or marks for direct reading
  • G01B11/00 - Measuring arrangements characterised by the use of optical means
  • G01B11/04 - specially adapted for measuring length or width of objects while moving
  • G01D5/36 - Forming the light into pulses
  • G01D5/38 - by diffraction gratings
  • H03M2201/01 - First edition
  • H03M2201/16 - Coarse and fine conversions
  • H03M2201/2133 - with directional discrimination
  • H03M2201/2185 - Photoelectric
  • H03M2201/412 - representing linear position
  • H03M2201/416 - Frequency modulated carrier
  • H03M2201/4225 - Parallel
  • H03M2201/4266 - Decimal radix
  • H03M2201/4279 - Pure
  • H03M2201/512 - Mechanical/electrical
  • H03M2201/60 - Fidelity improvement
  • H03M2201/6121 - Automatic
  • H03M2201/844 - Servomotors
  • H03M2201/853 - Reduction gearings
  • H03M2201/93 - Constructional details

• US Classifications

  • 341 - Coded data generation or conversion
  • 250 - Radiant energy
  • 377 - Electrical pulse counters, pulse dividers, or shift registers: circuits and systems