2978590

Information

• Patent Grant
• 2978590

• References
• Source

• Patent Number

  2,978,590

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1961
  63 years ago

• CPC

  • H04N1/129 - using an element rotating or oscillating about an axis not covered by any other group or code
  • G06K9/20 - Image acquisition
  • H04N1/1911 - Simultaneously or substantially simultaneously scanning picture elements on more than one main scanning line
  • H04N1/403 - Discrimination between the two tones in the picture signal of a two-tone original
  • H04N1/4076 - dependent on references outside the picture
  • H04N3/04 - having a moving aperture also apertures covered by lenses

• US Classifications

  • 250 - Radiant energy
  • 348 - Television