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Method and apparatus for cancelling vibrations

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G10K-011/16
출원번호 US-0518802 (1983-06-17)
우선권정보 GB-0031674 (1981-10-21)
국제출원번호 PCT/GB82/00299 (1982-10-21)
§371/§102 date 19830617 (19830617)
국제공개번호 WO-8301525 (1983-04-28)
발명자 / 주소
  • Chaplin George B. B. (Colchester GB2) Smith Roderick A. (Colchester GB2)
출원인 / 주소
  • Sound Attenuators Limited (Colchester GB2 03)
인용정보 피인용 횟수 : 40  인용 특허 : 1

초록

Methods and apparatus for cancelling both random and repetitive vibrations in gases, liquids or solids. The invention relies on generating cancelling vibrations (S) for a primary vibration to be nulled (P) by operating at discrete locations in the frequency domain of time samples of the waveform of

대표청구항

A method of cancelling repetitive vibrations comprising sensing the residual vibrations resulting from interference between primary vibrations from a source of repetitive vibrations and secondary vibrations from a driven actuator, transforming the sensed residual vibrations into a plurality of indep

이 특허에 인용된 특허 (1)

  1. Allen ; Jont Brandon, Method and apparatus for cancelling room reverberation and noise pickup.

이 특허를 인용한 특허 (40)

  1. Eriksson Larry J. (Madison WI), Active attenuation system with on-line modeling of speaker, error path and feedback pack.
  2. Proksch, Roger, Active damping of high speed scanning probe microscope components.
  3. Proksch, Roger, Active damping of high speed scanning probe microscope components.
  4. Dekker Nicolaas M. J. (Pinner GB2) Edwards John W. (Pinner GB2) James Adrian W. (London GB2), Active noise control.
  5. Harley Thomas R. (Oxford MS), Active noise control stethoscope.
  6. Goto, Tatsuhiko; Nishimura, Osamu; Enamito, Akihiko, Active noise-reduction apparatus.
  7. Murray Bruce S. (Winchester MA), Active pneumatic mount.
  8. Eriksson Larry J. (Madison WI), Active sound attenuation system with on-line adaptive feedback cancellation.
  9. Andrianos Nikos P. (Pittsburgh PA), Active vibration reduction in apparatus with cross-coupling between control axes.
  10. Stothers Ian MacGregor (Norfolk GBX), Adaptive control system.
  11. Chabries Douglas M. (Salem UT) Christiansen Richard W. (Highland UT) Lynn Douglas (Provo UT) Kenworthy Gary (Fremont CA), Adaptive noise suppressor.
  12. Sexton,David C; Johnson,Frederick A; Swinbanks,Malcolm a, Arrangement for damping of structural resonance.
  13. Proksch, Roger; Callahan, Roger C.; Stetter, Frank; Limpoco, Ted; Hohlbach, Sophia; Bemis, Jason; Cleveland, Jason, Automated atomic force microscope and the operation thereof.
  14. Proksch, Roger; Callahan, Roger C.; Stetter, Frank; Limpoco, Ted; Hohlbauch, Sophia; Bemis, Jason; Cleveland, Jason; Geiss, Nicholas, Automated atomic force microscope and the operation thereof.
  15. Borth David E. (Palatine IL) Gerson Ira A. (Hoffman Estates IL) Vilmur Richard J. (Palatine IL), Automatic background noise estimator for a noise suppression system.
  16. Borth David E. (Palatine IL) Gerson Ira A. (Hoffman Estates IL) Smanski Philip J. (Palatine IL) Vilmur Richard J. (Palatine IL), Automatic gain selector for a noise suppression system.
  17. Holliday, Ezekiel S., Balancing vibrations at harmonic frequencies by injecting harmonic balancing signals into the armature of a linear motor/alternator coupled to a Stirling machine.
  18. Holliday, Ezekiel S., Driving an active vibration balancer to minimize vibrations at the fundamental and harmonic frequencies.
  19. Engebretson A. Maynard (Ladue MO) O\Connell Michael P. (Maplewood MO) Zheng Baohua (University City MO), Electronic filters, hearing aids and methods.
  20. Cruz Hernandez,Juan Manuel; Grant,Danny; Hayward,Vincent, Haptic devices having multiple operational modes including at least one resonant mode.
  21. Cruz-Hernandez, Juan Manuel; Grant, Danny A.; Hayward, Vincent, Haptic devices having multiple operational modes including at least one resonant mode.
  22. Ostrow, Eliot L., Implantable medical device and associated method for reducing an affect of a vibratory alert on a vibration-sensitive sensor.
  23. Valentin Erhard,DEX ; Walendy Hans,DEX ; Kutter-Schrader Hans,DEX, Load floor lining having integrated sound insulation.
  24. Ephraim Gutmark ; Christian Oliver Paschereit CH; Wolfgang Weisenstein CH, Method and apparatus for controlling thermoacoustic vibrations in a combustion system.
  25. Shoureshi Rahmat (West Lafayette IN), Method and apparatus for intelligent active and semi-active vibration control.
  26. Sanchez, Rene E.; de Jong, Joannes N. M.; Williams, Lloyd A.; Williams, Vincent M.; Costanza, Daniel W., Method and apparatus for using fast fourier transform feedback to compensate for non-linear motion.
  27. Gutmark,Ephraim; Paschereit,Christian Oliver, Method and device for affecting thermoacoustic oscillations in combustion systems.
  28. Jackson ; Jr. II I. Riley ; Freeburg Thomas A., Method and system for reducing undesired signals in a communication environment.
  29. Schwartz, Jack; Wu, Tai T., Method for correcting acoustic distortion.
  30. Schottler,Joseph J.; Stafney,John C., Method of determining average current in a PWM drive.
  31. Taylor Brian A. (Felixstowe GB2 4), Method of transfer function generation and active noise cancellation in a vibrating system.
  32. Neumeier Yedidia ; Zinn Ben T., Methods, apparatus and systems for real time identification and control modes of oscillation.
  33. Neumeier Yedidia ; Zinn Ben T., Methods, apparatus and systems for real time identification and control of modes of oscillation.
  34. Landgarten Harris B. (Douglaston NY) Ziegler Eldon W. (Columbia MD), Monitoring, testing and operator controlling of active noise and vibration cancellation systems.
  35. Andrea Douglas ; Topf Martin, Noise cancellation apparatus.
  36. Borth David E. (Palatine IL) Gerson Ira A. (Hoffman Estates IL) Vilmur Richard J. (Palatine IL), Noise suppression system.
  37. Spenceley, Christopher John; Silcock, Roger Stuart; Aldridge, Wayne Kenneth; McEntee, Jarlath Michael; Welty, Stephen Charles; Smith, Gordon; Hardingham, Christopher Mark, Stirling engine instability detection and prevention.
  38. Marash, Joseph; Berdugo, Baruch, Super directional beamforming design and implementation.
  39. Joseph Marash IL; Baruch Berdugo IL, System, method and apparatus for cancelling noise.
  40. Nishizawa Yukio,JPX, Vibration damper for use in wheel brake.
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