3804313

Information

• Patent Grant
• 3804313

• References
• Source

• Patent Number

  3,804,313

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1974
  50 years ago

• CPC

  • G11B15/28 - through rollers driving by frictional contact with the record carrier
  • G11B15/385 - directly
  • G11B15/442 - Control thereof
  • G11B15/50 - by mechanical linkage
  • G11B15/58 - with vacuum column

• US Classifications

  • 226 - Advancing material of indeterminate length
  • 242 - Winding, tensioning, or guiding
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER