3168623

Information

• Patent Grant
• 3168623

• References
• Source

• Patent Number

  3,168,623

• Date Filed

  Not available

• Date Issued

  Tuesday, February 2, 1965
  60 years ago

• CPC

  • H04R17/04 - Gramophone pick-ups using a stylus Recorders using a stylus
  • B06B1/0655 - of cylindrical shape
  • G01P15/08 - with conversion into electric or magnetic values
  • G01P15/0885 - by magnetostrictive pick-up
  • G01P15/09 - by piezo-electric pick-up
  • H01H57/00 - Electrostrictive relays Piezo-electric relays
  • H01L41/09 - with electrical input and mechanical output
  • H01L41/0926 - using bending displacement
  • H01L41/094 - Cantilevers
  • H03B5/34 - active element in amplifier being vacuum tube
  • H03H9/545 - including active elements
  • H03H9/562 - comprising a ceramic piezoelectric layer
  • H04R17/00 - Piezo-electric transducers Electrostrictive transducers

• US Classifications

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