3502803

Information

• Patent Grant
• 3502803

• References
• Source

• Patent Number

  3,502,803

• Date Filed

  Not available

• Date Issued

  Tuesday, March 24, 1970
  55 years ago

• CPC

  • H04N1/0628 - using several scanning heads circumferentially spaced from one another and circumferentially aligned
  • H04N1/0607 - Scanning a concave surface
  • H04N1/0635 - using oscillating or rotating mirrors
  • H04N1/0664 - with sub-scanning by translational movement of the picture-bearing surface
  • H04N1/17 - the scanning speed being dependent on content of picture

• US Classifications

  • 358 - Facsimile and static presentation processing
  • 250 - Radiant energy