3834807

Information

• Patent Grant
• 3834807

• References
• Source

• Patent Number

  3,834,807

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1974
  50 years ago

• CPC

  • G03G15/047 - for discharging non-image areas
  • G03G2215/0439 - Automatic detection of properties
  • G03G2215/0448 - Charge-erasing means for the non-image area
  • G03G2215/0473 - due to document imperfections
  • G03G2215/0485 - Avoiding problems in standard processing steps, such as transfer and fixing
  • G03G2215/0492 - Without changing the charge image

• US Classifications

  • 399 - Electrophotography
  • 250 - Radiant energy