3674277

Information

• Patent Grant
• 3674277

• References
• Source

• Patent Number

  3,674,277

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1972
  52 years ago

• CPC

  • G11B17/05 - specially adapted for discs not contained within cartridges
  • G11B3/08545 - driven by cams
  • G11B33/025 - Portable cases

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER