3825323

Information

• Patent Grant
• 3825323

• References
• Source

• Patent Number

  3,825,323

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1974
  50 years ago

• CPC

  • G11C13/048 - using other optical storage elements
  • G11B7/0914 - by non-optical methods

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • 318 - Electricity: motive power systems
  • 324 - Electricity: measuring and testing
  • 346 - Recorders
  • 347 - Incremental printing of symbolic information
  • 359 - Optical: systems and elements
  • 365 - Static information storage and retrieval
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER