3423540

Information

• Patent Grant
• 3423540

• References
• Source

• Patent Number

  3,423,540

• Date Filed

  Not available

• Date Issued

  Tuesday, January 21, 1969
  55 years ago

• CPC

  • G01R17/00 - Measuring arrangements involving comparison with a reference value
  • A61B5/0436 - Magnetic recording apparatus
  • G06G7/04 - input or output devices
  • G11B20/225 - for reducing wow or flutter

• US Classifications

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