3104324

Information

• Patent Grant
• 3104324

• References
• Source

• Patent Number

  3,104,324

• Date Filed

  Not available

• Date Issued

  Tuesday, September 17, 1963
  61 years ago

• CPC

  • G06K9/74 - Arrangements for recognition using optical reference masks
  • H04N3/04 - having a moving aperture also apertures covered by lenses

• US Classifications

  • 250 - Radiant energy
  • 040 - Card, picture, or sign exhibiting
  • 348 - Television
  • 382 - Image analysis
  • 385 - Optical waveguides