3745263

Information

• Patent Grant
• 3745263

• References
• Source

• Patent Number

  3,745,263

• Date Filed

  Not available

• Date Issued

  Tuesday, July 10, 1973
  51 years ago

• CPC

  • H04R19/10 - signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously

• US Classifications

  • 369 - Dynamic information storage or retrieval