3133161

Information

• Patent Grant
• 3133161

• References
• Source

• Patent Number

  3,133,161

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1964
  60 years ago

• CPC

  • H03F1/36 - in discharge-tube amplifiers
  • H04R9/12 - Gramophone pick-ups using a stylus Recorders using a stylus
  • H04R9/16 - signals recorded or played back by vibration of a stylus in two orthogonal directions simultaneously

• US Classifications

  • 369 - Dynamic information storage or retrieval