3629518

Information

• Patent Grant
• 3629518

• References
• Source

• Patent Number

  3,629,518

• Date Filed

  Not available

• Date Issued

  Tuesday, December 21, 1971
  53 years ago

• CPC

  • H01F30/12 - Two-phase, three-phase or polyphase transformers
  • G11B5/00852 - using stationary heads
  • G11B5/1278 - specially adapted for magnetisations perpendicular to the surface of the record carrier
  • G11B5/4907 - Details for scanning
  • G11B15/52 - by using signals recorded on, or derived from, record carrier
  • H04N5/782 - on tape

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 191 - Electricity: transmission to vehicles
  • 386 - Motion video signal processing for recording or reproducing
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER