3500438

Information

• Patent Grant
• 3500438

• References
• Source

• Patent Number

  3,500,438

• Date Filed

  Not available

• Date Issued

  Tuesday, March 10, 1970
  54 years ago

• CPC

  • G05B19/124 - using tapes, cards or discs with optically sensed marks or codes
  • G01D15/14 - Optical recording elements Recording elements using X-or nuclear radiation
  • G05B2219/25197 - Optical, glass fiber

• US Classifications

  • 347 - Incremental printing of symbolic information
  • 365 - Static information storage and retrieval