3480919

Information

• Patent Grant
• 3480919

• References
• Source

• Patent Number

  3,480,919

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1969
  55 years ago

• CPC

  • G11C13/04 - using optical elements using other beam accessed elements
  • G06K11/02 - Automatic curve followers
  • G11B7/0033 - with cards or other card-like flat carriers
  • G11B7/085 - with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation
  • G11B21/088 - with track following of accessed part

• US Classifications

  • 365 - Static information storage and retrieval
  • 250 - Radiant energy
  • 369 - Dynamic information storage or retrieval
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER