3819908

Information

• Patent Grant
• 3819908

• References
• Source

• Patent Number

  3,819,908

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1974
  50 years ago

• CPC

  • G06K17/0009 - with sequential access selection of a record carrier from the card-file
  • G06K17/0016 - Selecting or retrieving of images by means of their associated code-marks

• US Classifications

  • 353 - Optics: image projectors