2485575

Information

• Patent Grant
• 2485575

• References
• Source

• Patent Number

  2,485,575

• Date Filed

  Not available

• Date Issued

  Tuesday, October 25, 1949
  75 years ago

• CPC

  • G11B17/0515 - adapted for discs of different sizes
  • G11B3/08509 - using mechanical detecting means
  • G11B3/093 - Means coupled to the cover
  • G11B17/0407 - controlling the loading of the record carrier
  • G11B33/06 - combined with other apparatus having a different main function

• US Classifications

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