3515391

Information

• Patent Grant
• 3515391

• References
• Source

• Patent Number

  3,515,391

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1970
  54 years ago

• CPC

  • G11B15/08 - by photoelectric sensing
  • G11B15/02 - Control of operating function
  • G11B15/448 - automatic reverse drive transfer therefor
  • G11B15/602 - for track selection, acquisition or following

• US Classifications

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