3441187

Information

• Patent Grant
• 3441187

• References
• Source

• Patent Number

  3,441,187

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1969
  55 years ago

• CPC

  • G11B15/43 - Control or regulation of mechanical tension of record carrier
  • G11B15/28 - through rollers driving by frictional contact with the record carrier
  • G11B15/38 - Driving record carriers by pneumatic means
  • G11B15/54 - by stroboscope by tachometer

• US Classifications

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