3877627

Information

• Patent Grant
• 3877627

• References
• Source

• Patent Number

  3,877,627

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1975
  49 years ago

• CPC

  • G11B27/10 - Indexing Addressing Timing or synchronising Measuring tape travel
  • B65H20/02 - by friction roller
  • G03B21/113 - Handling roll films
  • G03B21/50 - Control devices operated by the film strip during the run
  • G03B35/24 - using apertured or refractive resolving means on screens or between screen and eye
  • G11B15/10 - Manually-operated control Solenoid-operated control
  • G11B15/29 - through pinch-rollers or tape rolls

• US Classifications

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