3657471

Information

• Patent Grant
• 3657471

• References
• Source

• Patent Number

  3,657,471

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1972
  53 years ago

• CPC

  • H04N1/0405 - Different formats
  • H04N1/0402 - Scanning different formats; Scanning with different densities of dots per unit length
  • H04N1/0408 - Different densities of dots per unit length
  • H04N1/0426 - using different sized scanning elements
  • H04N1/0435 - Optical element switching
  • H04N1/0446 - Varying the modulation time or intensity
  • H04N1/1008 - with sub-scanning by translatory movement of the picture-bearing surface
  • H04N1/1135 - for the main-scan only
  • H04N1/23 - Reproducing arrangements
  • H04N1/393 - Enlarging or reducing
  • H04N1/502 - Reproducing the colour component signals dot-sequentially or simultaneously in a single or in adjacent picture-element positions
  • H04N2201/04756 - by controlling the position or movement of the sheet, the sheet support or the photoconductive surface

• US Classifications

  • 358 - Facsimile and static presentation processing
  • 346 - Recorders
  • 347 - Incremental printing of symbolic information
  • 367 - Communications, electrical: acoustic wave systems and devices