2780465

Information

• Patent Grant
• 2780465

• References
• Source

• Patent Number

  2,780,465

• Date Filed

  Not available

• Date Issued

  Tuesday, February 5, 1957
  68 years ago

• CPC

  • G11B17/05 - specially adapted for discs not contained within cartridges
  • G11B3/08509 - using mechanical detecting means
  • G11B3/08545 - driven by cams
  • G11B17/16 - by mechanism in stationary centre post
  • G11B17/20 - with transfer away from stack on turntable after playing
  • G11B33/02 - Cabinets Cases Stands Disposition of apparatus therein or thereon

• US Classifications

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