2572426

Information

• Patent Grant
• 2572426

• References
• Source

• Patent Number

  2,572,426

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1951
  73 years ago

• CPC

  • H05F3/02 - by means of earthing connections
  • G11B3/5836 - means connected to the pick-up arm or head

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • 361 - Electricity: electrical systems and devices
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER