2657377

Information

• Patent Grant
• 2657377

• References
• Source

• Patent Number

  2,657,377

• Date Filed

  Not available

• Date Issued

  Tuesday, October 27, 1953
  71 years ago

• CPC

  • H04N5/782 - on tape
  • G01R13/04 - for producing permanent records
  • G11B5/4907 - Details for scanning
  • G11B11/10 - using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier
  • G11B11/115 - using a beam
  • Y10S84/06 - Cathode-ray tube
  • Y10S101/37 - Printing employing electrostatic force

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 084 - Music
  • 101 - Printing
  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems
  • 324 - Electricity: measuring and testing
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 346 - Recorders
  • 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