2670213

Information

• Patent Grant
• 2670213

• References
• Source

• Patent Number

  2,670,213

• Date Filed

  Not available

• Date Issued

  Tuesday, February 23, 1954
  71 years ago

• CPC

  • G11B3/5836 - means connected to the pick-up arm or head

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • D14 - Recording, communication, or information retrieval equipment
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER