3163783

Information

• Patent Grant
• 3163783

• References
• Source

• Patent Number

  3,163,783

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1964
  60 years ago

• CPC

  • H04R17/00 - Piezo-electric transducers Electrostrictive transducers
  • H04R17/04 - Gramophone pick-ups using a stylus Recorders using a stylus

• US Classifications

  • 310 - Electrical generator or motor structure
  • 369 - Dynamic information storage or retrieval