3830646

Information

• Patent Grant
• 3830646

• References
• Source

• Patent Number

  3,830,646

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1974
  50 years ago

• CPC

  • G06K15/1238 - simultaneously exposing more than one point
  • B41B17/10 - with a continuously-movable carrier
  • B41B21/16 - Optical systems
  • B41B27/00 - Control, indicating, or safety devices or systems for composing machines of various kinds or types
  • B41J2/44 - using single radiation source per colour
  • B41J2/465 - using masks
  • G06K15/12 - by photographic printing

• US Classifications

  • 347 - Incremental printing of symbolic information
  • 396 - Photography
  • 399 - Electrophotography