3800327

Information

• Patent Grant
• 3800327

• References
• Source

• Patent Number

  3,800,327

• Date Filed

  Not available

• Date Issued

  Tuesday, March 26, 1974
  50 years ago

• CPC

  • G11B5/325 - Erasing heads using permanent magnets
  • G11B5/54 - with provision for moving the head into or out of its operative position or across tracks
  • G11B15/10 - Manually-operated control Solenoid-operated control
  • G11B15/1883 - for record carriers inside containers

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 242 - Winding, tensioning, or guiding
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER