3339178

Information

• Patent Grant
• 3339178

• References
• Source

• Patent Number

  3,339,178

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1967
  57 years ago

• CPC

  • G06K9/38 - Quantising the analogue image signal
  • H03G7/02 - having discharge tubes
  • H04N1/403 - Discrimination between the two tones in the picture signal of a two-tone original
  • H04N5/16 - Circuitry for reinsertion of dc and slowly varying components of signal Circuitry for preservation of black or white level
  • G06K2209/01 - Character recognition

• US Classifications

  • 382 - Image analysis
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 348 - Television