3771744

Information

• Patent Grant
• 3771744

• References
• Source

• Patent Number

  3,771,744

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1973
  51 years ago

• CPC

  • G11B15/43 - Control or regulation of mechanical tension of record carrier
  • G11B15/32 - through the reels or cores on to which the record carrier is wound
  • G11B15/38 - Driving record carriers by pneumatic means
  • G11B15/40 - Driving record carriers otherwise than by electric motor

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER