2619354

Information

• Patent Grant
• 2619354

• References
• Source

• Patent Number

  2,619,354

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1952
  72 years ago

• CPC

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

• US Classifications

  • 369 - Dynamic information storage or retrieval
  • 015 - Brushing, scrubbing, and general cleaning
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER