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Low voltage bender piezo-actuators 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H01L-041/08
출원번호 US-0057944 (1993-05-07)
발명자 / 주소
  • Hildebrand Stephen (Arlington VA)
출원인 / 주소
  • Noise Cancellation Technologies, Inc. (Linthicum MD 02)
인용정보 피인용 횟수 : 42  인용 특허 : 0

초록

A low voltage bender piezo-actuator with multiple, same size piezo layers (11, 12) separated by thin electrically conductive strips (14) and adapted to be affixed to a rigid, vibration transmitting plate (10) to produce noise counter vibrations to prevent noise from passing through the plate.

대표청구항

In an enclosure comprising rigid walls having a given thickness and size, the walls being prone to transmit noise from within the enclosure by vibration, the improvement comprising at least one layered piezoelectric means affixed to the approximate center of the half-structural wavelength to be cont

이 특허를 인용한 특허 (42)

  1. Bennison, Corrie, Acoustic access disconnect detection system.
  2. Bokaemper, Stefan; Jones, Terrence Keith, Acoustic transducers.
  3. Hedges, Daniel; Bokaemper, Stefan; Jones, Terrence Keith, Acoustic transducers.
  4. Jones, Terrence Keith; Bokaemper, Stefan, Acoustic transducers with bend limiting member.
  5. Copt, Ryan; Butera, III, Joseph; Summers, III, Robert, Artificial ear apparatus and associated methods for generating a head related audio transfer function.
  6. Gundlach, John David; Hedges, Daniel; Bokaemper, Stefan; Jones, Terrence Keith; Logvin, David, Audio speaker.
  7. Kataoka,Kenichi, Control apparatus for vibration type actuator.
  8. Kataoka,Kenichi, Control apparatus for vibration type actuator.
  9. Jaenker, Peter, Deformable aerodynamic profile.
  10. Copt, Ryan; Butera, III, Joseph; Summers, III, Robert J., Device for wide-band auscultation.
  11. Johnson, Kevin M.; Abelson, Matthew D., Diaphragm membrane and supporting structure responsive to environmental conditions.
  12. Athanas,Lewis, Mechanical-to-acoustical transformer and multi-media flat film speaker.
  13. Knowles, Gareth J.; Bower, Bruce, Method of fabricating a planar pre-stressed bimorph actuator.
  14. Pletner, Baruch; Perkins, Richard; Lublin, Leonard, Multi-input, multi-output motion control for lithography system.
  15. Andrea Douglas ; Topf Martin, Noise cancellation apparatus.
  16. Booth, Jeffrey Davis; Bokaemper, Stefan; White, Jr., Robert H., Optically clear diaphragm for an acoustic transducer and method for making same.
  17. Booth, Jeffrey Davis; Bokaemper, Stefan; White, Jr., Robert H., Optically clear diaphragm for an acoustic transducer and method for making same.
  18. Booth, Jeffrey Davis; Bokaemper, Stefan; White, Jr., Robert H., Optically clear diaphragm for an acoustic transducer and method for making same.
  19. Kenneth B. Lazarus ; Mark E. Lundstrom ; Jeffrey W. Moore ; Edward F. Crawley, Packaged strain actuator.
  20. Hoffmann, Markus; Lubitz, Karl; Riedel, Michael; Weinmann, Michael, Piezoceramic bending transducer and use thereof.
  21. Yoko Suzuki JP; Kazuo Tani JP; Satoshi Watanabe JP; Tatsuru Sato JP, Piezoelectric actuator.
  22. Riedel, Michael; Lubitz, Karl; Schmid, Andreas; Maichl, Martin; Hoffmann, Markus; Weinmann, Michael, Piezoelectric bending transducer and use thereof.
  23. Tsukada Mineharu,JPX ; Omote Koji,JPX ; Hida Masaharu,JPX ; Kamehara Nobuo,JPX ; Nishizawa Motoyuki,JPX ; Kurihara Kazuaki,JPX, Piezoelectric device and method for fabricating the same, and ink jet printer head and method for fabricating the same.
  24. Mercier Des Rochettes, Hugues; Buchaniek, Léon; Joly, Didier, Sandwich-structure flat actuator and application to structural torsion.
  25. Jones, Terrence Keith, Sound bar audio speaker.
  26. Gundlach, John David; Hedges, Daniel; Bokaemper, Stefan; Jones, Terrence Keith; Logvin, David, Speaker.
  27. Marash, Joseph; Berdugo, Baruch, Super directional beamforming design and implementation.
  28. Bongiovi, Anthony; Hamelink, Lawrence Robert; Servis, Brian K.; Bielski, John Robert, Surface acoustic transducer.
  29. Bongiovi, Anthony; Hamelink, Lawrence Robert; Servis, Brian K.; Bielski, John Robert, Surface acoustic transducer.
  30. Bongiovi, Anthony; Hamelink, Lawrence Robert; Servis, Brian K.; Bielski, John Robert, Surface acoustic transducer.
  31. Butera, III, Joseph G.; Copt, Ryan J.; Summers, III, Robert J., System and method for acquiring acoustic information from a resonating body.
  32. Hogard, Michael, System and method for detecting access disconnection.
  33. Hogard, Michael, System and method for detecting access disconnection.
  34. Bongiovi, Anthony; Fuller, Philip; Zelniker, Glenn, System and method for digital signal processing.
  35. Bongiovi, Anthony; Fuller, Phillip; Zelniker, Glenn, System and method for digital signal processing.
  36. Bongiovi, Anthony; Zelniker, Glenn; Fuller, Phillip, System and method for digital signal processing.
  37. Bongiovi, Anthony; Zelniker, Glenn; Fuller, Phillip; Copt, Ryan, System and method for digital signal processing.
  38. Bongiovi, Anthony; Copt, Ryan; Fuller, Phillip; Butera, III, Joseph; Zelniker, Glenn, System and method for digital signal processing in deep diving environment.
  39. Bongiovi, Anthony; Zelniker, Glenn; Butera, III, Joseph G., System and method for narrow bandwidth digital signal processing.
  40. Bongiovi, Anthony; Zelniker, Glenn; Butera, Joseph G., System and method for stereo field enhancement in two-channel audio systems.
  41. Spangler, Ronald; Bianchini, Emanuele; Pletner, Baruch; Marsh, Betsy; Jacques, Robert, System for vibration control.
  42. Joseph Marash IL; Baruch Berdugo IL, System, method and apparatus for cancelling noise.
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