3189291

Information

• Patent Grant
• 3189291

• References
• Source

• Patent Number

  3,189,291

• Date Filed

  Not available

• Date Issued

  Tuesday, June 15, 1965
  59 years ago

• CPC

  • G11B15/64 - by fluid-dynamic spacing
  • G06K13/28 - continuously
  • G11B5/48 - Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads
  • G11B15/04 - Preventing, inhibiting, or warning against accidental erasing or double recording
  • G11B15/38 - Driving record carriers by pneumatic means
  • G11B15/43 - Control or regulation of mechanical tension of record carrier
  • G11B15/58 - with vacuum column
  • G11B15/62 - Maintaining desired spacing between record carrier and head

• US Classifications

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