3487399

Information

• Patent Grant
• 3487399

• References
• Source

• Patent Number

  3,487,399

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1969
  54 years ago

• CPC

  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • G01D5/363 - Direction discrimination
  • G01D5/38 - by diffraction gratings
  • H03K5/26 - the characteristic being duration, interval, position, frequency, or sequence
  • H03K21/02 - Input circuits
  • H03M2201/01 - First edition
  • H03M2201/192 - Measuring systems
  • H03M2201/2125 - Providing an incremental position
  • H03M2201/2133 - with directional discrimination
  • H03M2201/214 - Anti-ambiguity arrangements
  • H03M2201/217 - Capacitive
  • H03M2201/2174 - Magnetic
  • H03M2201/2185 - Photoelectric
  • H03M2201/2196 - Constructional details
  • H03M2201/4105 - Positive/negative indication
  • H03M2201/412 - representing linear position
  • H03M2201/4125 - representing angular position
  • H03M2201/4212 - Serial
  • H03M2201/4225 - Parallel
  • H03M2201/4233 - Bivalued
  • H03M2201/425 - Non-denominational
  • H03M2201/4258 - Denominational
  • H03M2201/4279 - Pure
  • H03M2201/8128 - Diodes
  • H03M2201/8132 - Transistors
  • H03M2201/8192 - Photoelectric devices

• US Classifications

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