3539084

Information

• Patent Grant
• 3539084

• References
• Source

• Patent Number

  3,539,084

• Date Filed

  Not available

• Date Issued

  Tuesday, November 10, 1970
  54 years ago

• CPC

  • G11B15/06 - by sensing auxiliary features on record carriers or containers
  • G03B1/54 - Tensionning or loop-maintaining devices
  • G03B21/43 - Driving mechanisms
  • G03B21/50 - Control devices operated by the film strip during the run

• 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