3656674

Information

• Patent Grant
• 3656674

• References
• Source

• Patent Number

  3,656,674

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1972
  52 years ago

• CPC

  • G11B15/43 - Control or regulation of mechanical tension of record carrier
  • G03B1/54 - Tensionning or loop-maintaining devices
  • G03B21/43 - Driving mechanisms

• US Classifications

  • 226 - Advancing material of indeterminate length
  • 352 - Optics: motion pictures
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER