3733137

Information

• Patent Grant
• 3733137

• References
• Source

• Patent Number

  3,733,137

• Date Filed

  Not available

• Date Issued

  Tuesday, May 15, 1973
  51 years ago

• CPC

  • G01N21/27 - using photo-electric detection circuits for computing concentration
  • G06G7/24 - for evaluating logarithmic or exponential functions
  • G06G7/75 - for component analysis

• US Classifications

  • 356 - Optics: measuring and testing
  • 324 - Electricity: measuring and testing