3623121

Information

• Patent Grant
• 3623121

• References
• Source

• Patent Number

  3,623,121

• Date Filed

  Not available

• Date Issued

  Tuesday, November 23, 1971
  53 years ago

• CPC

  • G03G15/326 - by application of light
  • G01D15/14 - Optical recording elements Recording elements using X-or nuclear radiation
  • G01V1/242 - Seismographs
  • G03G15/04045 - for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material

• US Classifications

  • 347 - Incremental printing of symbolic information
  • 346 - Recorders