3212076

Information

• Patent Grant
• 3212076

• References
• Source

• Patent Number

  3,212,076

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1965
  59 years ago

• CPC

  • G11B5/00813 - magnetic tapes
  • G11B5/127 - Structure or manufacture of heads
  • G11B5/187 - Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium Pole pieces Gap features
  • G11B5/35 - having vibrating elements
  • G11B5/4907 - Details for scanning
  • G11B5/4969 - Details for track selection or addressing
  • G11B5/5504 - across tape tracks
  • G11B5/56 - with provision for moving the head support for the purpose of adjusting the position of the head relative to the record carrier
  • G11B15/12 - Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads Masking of beams
  • G11B20/08 - Pulse-modulation recording or reproducing
  • G11B20/1205 - for discontinuous data
  • G11B23/0007 - Circuits or methods for reducing noise, for correction of distortion, or for changing density of recorded information
  • G11B27/34 - Indicating arrangements

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 324 - Electricity: measuring and testing
  • 346 - Recorders
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER