3781955

Information

• Patent Grant
• 3781955

• References
• Source

• Patent Number

  3,781,955

• Date Filed

  Not available

• Date Issued

  Tuesday, January 1, 1974
  51 years ago

• CPC

  • H03H9/545 - including active elements
  • B06B1/0644 - using a single piezo-electric element
  • G04C3/12 - driven by piezo-electric means driven by magneto-strictive means
  • G04D3/0035 - for components of the regulating mechanism
  • G04D3/0089 - for components of the regulating mechanism
  • H01H57/00 - Electrostrictive relays Piezo-electric relays
  • H01L41/09 - with electrical input and mechanical output
  • H01L41/107 - with electrical input and electrical output
  • H01L41/33 - Shaping or machining of piezo-electric or electrostrictive bodies
  • H01L41/43 - by sintering
  • H02N2/10 - producing rotary motion
  • H03H9/1007 - for bulk acoustic wave [BAW] devices
  • H03H9/176 - consisting of ceramic material
  • H03H9/562 - comprising a ceramic piezoelectric layer
  • H03H9/581 - comprising ceramic piezoelectric layers
  • H01H2057/003 - the relay being latched in actuated position by magnet
  • Y10T29/42 - Piezoelectric device making
  • Y10T29/43 - Electric condenser making
  • Y10T29/49812 - Temporary protective coating, impregnation, or cast layer

• US Classifications

  • 029 - Metal working
  • 310 - Electrical generator or motor structure
  • 381 - Electrical audio signal processing systems and devices
  • 968 - Horology