3838401

Information

• Patent Grant
• 3838401

• References
• Source

• Patent Number

  3,838,401

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1974
  50 years ago

• CPC

  • H04N5/82 - using deformable thermoplastic recording medium
  • G11B7/003 - with webs , filaments or wires
  • G11B7/0033 - with cards or other card-like flat carriers
  • G11C13/04 - using optical elements using other beam accessed elements
  • H04N5/76 - Television signal recording

• US Classifications

  • 365 - Static information storage and retrieval
  • 346 - Recorders
  • 369 - Dynamic information storage or retrieval
  • 386 - Motion video signal processing for recording or reproducing
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER