3400391

Information

• Patent Grant
• 3400391

• References
• Source

• Patent Number

  3,400,391

• Date Filed

  Not available

• Date Issued

  Tuesday, September 3, 1968
  56 years ago

• CPC

  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • G05B19/21 - using an incremental digital measuring device
  • H03K5/26 - the characteristic being duration, interval, position, frequency, or sequence
  • G05B2219/37296 - Electronic graduation, scale expansion, interpolation
  • H03M2201/01 - First edition
  • H03M2201/16 - Coarse and fine conversions
  • H03M2201/192 - Measuring systems
  • H03M2201/2111 - using a pure representation
  • H03M2201/2114 - with denominational arrangement
  • H03M2201/2133 - with directional discrimination
  • H03M2201/214 - Anti-ambiguity arrangements
  • H03M2201/2166 - Cathodes ray tubes
  • H03M2201/2185 - Photoelectric
  • H03M2201/4105 - Positive/negative indication
  • H03M2201/412 - representing linear position
  • H03M2201/4125 - representing angular position
  • H03M2201/4135 - Momentary value
  • H03M2201/4155 - Phase modulated carrier
  • H03M2201/416 - Frequency modulated carrier
  • H03M2201/4204 - positive/negative indication
  • H03M2201/4216 - Serial-parallel
  • H03M2201/4225 - Parallel
  • H03M2201/4233 - Bivalued
  • H03M2201/4262 - Binary radix
  • H03M2201/4266 - Decimal radix
  • H03M2201/4291 - Unit distance code
  • H03M2201/514 - Electrical/other electrical
  • H03M2201/52 - Digital conversions
  • H03M2201/521 - Bivalued/multivalued
  • H03M2201/522 - Non-denominational/denominational Pure/combination code
  • H03M2201/533 - Goniometric
  • H03M2201/70 - Additional functions
  • H03M2201/8116 - Counting tubes Beam switching tubes
  • H03M2201/812 - Cathode ray tubes
  • H03M2201/93 - Constructional details

• US Classifications

  • 341 - Coded data generation or conversion
  • 315 - Electric lamp and discharge devices: systems