3723843

Information

• Patent Grant
• 3723843

• References
• Source

• Patent Number

  3,723,843

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1973
  51 years ago

• CPC

  • G05D3/16 - whose output amplitude can only take a number of discrete values
  • G06K17/0016 - Selecting or retrieving of images by means of their associated code-marks

• US Classifications

  • 318 - Electricity: motive power systems