2857458

Information

• Patent Grant
• 2857458

• References
• Source

• Patent Number

  2,857,458

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1958
  66 years ago

• CPC

  • G11B5/00 - Recording by magnetisation or demagnetisation of a record carrier Reproducing by magnetic means Record carriers therefor
  • G11B5/4907 - Details for scanning
  • G11B5/4915 - Structure of specially adapted heads
  • H04N5/7805 - Recording or playback not using inductive heads

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 347 - Incremental printing of symbolic information
  • 386 - Motion video signal processing for recording or reproducing
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER