2808518

Information

• Patent Grant
• 2808518

• References
• Source

• Patent Number

  2,808,518

• Date Filed

  Not available

• Date Issued

  Tuesday, October 1, 1957
  67 years ago

• CPC

  • G05B19/124 - using tapes, cards or discs with optically sensed marks or codes
  • H04N1/23 - Reproducing arrangements
  • G05B2219/23189 - Information is code

• US Classifications

  • 250 - Radiant energy
  • 178 - Telegraphy
  • 365 - Static information storage and retrieval