3629520

Information

• Patent Grant
• 3629520

• References
• Source

• Patent Number

  3,629,520

• Date Filed

  Not available

• Date Issued

  Tuesday, December 21, 1971
  53 years ago

• CPC

  • G06K11/00 - Methods or arrangements for graph-reading or for converting the pattern of mechanical parameters
  • G11B11/10539 - using electromagnetic beams
  • G11B11/11 - using a beam
  • G11B11/115 - using a beam

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 365 - Static information storage and retrieval
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER