2967214

Information

• Patent Grant
• 2967214

• References
• Source

• Patent Number

  2,967,214

• Date Filed

  Not available

• Date Issued

  Tuesday, January 3, 1961
  63 years ago

• CPC

  • H04R9/16 - signals recorded or played back by vibration of a stylus in two orthogonal directions simultaneously
  • D04H17/00 - Felting apparatus
  • H04R9/12 - Gramophone pick-ups using a stylus Recorders using a stylus

• US Classifications

  • 369 - Dynamic information storage or retrieval