3870321

Information

• Patent Grant
• 3870321

• References
• Source

• Patent Number

  3,870,321

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1975
  49 years ago

• CPC

  • G11B17/0282 - by means provided on the turntable
  • H04N5/83 - on discs or drums

• US Classifications

  • 192 - Clutches and power-stop control
  • 369 - Dynamic information storage or retrieval
  • 386 - Motion video signal processing for recording or reproducing
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER