3870835

Information

• Patent Grant
• 3870835

• References
• Source

• Patent Number

  3,870,835

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1975
  50 years ago

• CPC

  • G11B33/10 - Indicating arrangements Warning arrangements
  • G11B3/06 - Determining or indicating positions of head
  • G11B3/0952 - using automatic means
  • G11B3/36 - Automatic-feed mechanisms producing progressive transducing traverse across record carriers otherwise than by grooves
  • G11B3/46 - Constructions or forms Disposition or mounting
  • G11B9/00 - Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00 Record carriers therefor

• US Classifications

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