3843897

Information

• Patent Grant
• 3843897

• References
• Source

• Patent Number

  3,843,897

• Date Filed

  Not available

• Date Issued

  Tuesday, October 22, 1974
  50 years ago

• CPC

  • B06B1/0644 - using a single piezo-electric element
  • B06B1/0261 - taken from a transducer or electrode connected to the driving transducer
  • G01N29/24 - Probes
  • B06B2201/57 - Electrostrictive transducer
  • H04R17/08 - signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously

• US Classifications

  • 310 - Electrical generator or motor structure
  • 318 - Electricity: motive power systems
  • 331 - Oscillators
  • 367 - Communications, electrical: acoustic wave systems and devices