3924860

Information

• Patent Grant
• 3924860

• References
• Source

• Patent Number

  3,924,860

• Date Filed

  Not available

• Date Issued

  Tuesday, December 9, 1975
  49 years ago

• CPC

  • G11B3/08509 - using mechanical detecting means
  • G11B3/0857 - driven by means which support the pick-up arm

• US Classifications

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