3830505

Information

• Patent Grant
• 3830505

• References
• Source

• Patent Number

  3,830,505

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1974
  50 years ago

• CPC

  • G11B3/125 - by using electric or magnetic means

• US Classifications

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