3394938

Information

• Patent Grant
• 3394938

• References
• Source

• Patent Number

  3,394,938

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1968
  56 years ago

• CPC

  • G11B17/165 - with mechanical detecting means
  • A47L11/302 - having rotary tools
  • G11B17/16 - by mechanism in stationary centre post

• US Classifications

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