2188650

Information

• Patent Grant
• 2188650

• References
• Source

• Patent Number

  2,188,650

• Date Filed

  Not available

• Date Issued

  Tuesday, January 30, 1940
  85 years ago

• CPC

  • G11B5/538 - Disposition or mounting of pole pieces on rotating support
  • G11B5/00 - Recording by magnetisation or demagnetisation of a record carrier Reproducing by magnetic means Record carriers therefor
  • G11B5/78 - Tape carriers

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 346 - Recorders
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER