3540739

Information

• Patent Grant
• 3540739

• References
• Source

• Patent Number

  3,540,739

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1970
  54 years ago

• CPC

  • G11B17/16 - by mechanism in stationary centre post
  • G11B3/08522 - using mechanical detecting means
  • G11B3/0859 - driven by belt or analogous element
  • G11B3/36 - Automatic-feed mechanisms producing progressive transducing traverse across record carriers otherwise than by grooves
  • G11B17/165 - with mechanical detecting means

• US Classifications

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