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Electronic noise attenuation system

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G10K-011/16
출원번호 US-0313475 (1989-02-22)
우선권정보 JP-0223028 (1988-09-05)
발명자 / 주소
  • Takahashi Minoru (1-11-20 Minami-cho Tokyo JPX) Miura Tanetoshi (1-11-20 Minami-cho Kokubunji
  • Tokyo JPX) Hamada Hareo (4-8-1 Kajino-cho Koganei
  • Tokyo JPX) Hyoudo Hideki (Yokohama JPX) Gotoda Ryus
출원인 / 주소
  • Hitachi Plant Engineering & Construction Co., Ltd. (03) Miura
  • Tanetoshi (05) Hamada
  • Hareo (05)
인용정보 피인용 횟수 : 53  인용 특허 : 1

초록

An electronic noise attenuation system for attenuating a sound wave propagated from a source of noise by generating another sound wave 180°out of phase and having the same sound pressure with the propagated sound wave from electro-mechanic transducer means disposed in a propagation passage of sound

대표청구항

An electronic noise attenuation system for achieving attenuation of a sound wave propagated from a source of noise in a propagation passage of a sound wave by generating another sound wave 180°out of phase and having the same sound pressure with said propagated sound wave to produce interference bet

이 특허에 인용된 특허 (1)

  1. Eriksson Larry J. (Madison WI), Active attenuation system with on-line modeling of speaker, error path and feedback pack.

이 특허를 인용한 특허 (53)

  1. Carreras, Ricardo F., ANR settings triple-buffering.
  2. Carreras, Ricardo F.; Gauger, Jr., Daniel M.; Joho, Marcel, ANR signal processing topology.
  3. Hersh Alan S. ; Walker Bruce E. ; Heidelberg Larry, Active control source cancellation and active control Helmholtz resonator absorption of axial fan rotor-stator interaction noise.
  4. Sen M. Kuo, Active noise control system and method for on-line feedback path modeling.
  5. Hendrix, Jon D.; Kamath, Gautham Devendra; Kwatra, Nitin; Abdollahzadeh Milani, Ali; Alderson, Jeffrey, Adaptive noise canceling architecture for a personal audio device.
  6. Hendrix, Jon D.; Kamath, Gautham Devendra; Kwatra, Nitin; Abdollahzadeh Milani, Ali; Alderson, Jeffrey, Adaptive noise canceling architecture for a personal audio device.
  7. Tomisawa Naoki,JPX ; Ohkuma Shigeo,JPX, Apparatus and method for actively reducing noise in vehicular passengers compartment.
  8. Christoph, Markus, Audio enhancement system.
  9. Christoph, Markus, Audio enhancement system.
  10. Christoph, Markus, Audio enhancement system.
  11. Christoph,Markus, Audio enhancement system.
  12. Christoph, Markus, Audio enhancement system and method.
  13. Alderson, Jeffrey; Kwatra, Nitin; Kamath, Gautham Devendra; Abdollahzadeh Milani, Ali; Melanson, John L., Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC).
  14. Kwatra, Nitin; Abdollahzadeh Milani, Ali; Alderson, Jeffrey, Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC).
  15. Kwatra, Nitin; Abdollahzadeh Milani, Ali; Alderson, Jeffrey, Bandlimiting anti-noise in personal audio devices having adaptive noise cancellation (ANC).
  16. Burge, Benjamin D.; Carreras, Ricardo F., Convertible filter.
  17. Burge, Benjamin D.; Carreras, Ricardo F.; Joho, Marcel, Convertible filter.
  18. Pan Jianhua,CAX ITX K1J 8V8 ; Brammer Anthony J.,CAX ITX K1J 8W9, Digital feed-forward active noise control system.
  19. Zhou, Dayong; Lu, Yang; Hendrix, Jon D.; Alderson, Jeffrey; Miller, Antonio John; Yong, Chin; Kamath, Gautham Devendra, Downlink tone detection and adaptation of a secondary path response model in an adaptive noise canceling system.
  20. Zhou, Dayong; Lu, Yang; Hendrix, Jon D.; Alderson, Jeffrey; Miller, Antonio John; Yong, Chin; Kamath, Gautham Devendra, Downlink tone detection and adaptation of a secondary path response model in an adaptive noise canceling system.
  21. Lu, Yang; Zhou, Dayong; Hendrix, Jon D.; Alderson, Jeffrey, Dual-microphone frequency amplitude response self-calibration.
  22. Abdollahzadeh Milani, Ali; Kamath, Gautham Devendra, Ear-coupling detection and adjustment of adaptive response in noise-canceling in personal audio devices.
  23. Lu, Yang; Hellman, Ryan A.; Zhou, Dayong, Feedback adaptive noise cancellation (ANC) controller and method having a feedback response partially provided by a fixed-response filter.
  24. Alderson, Jeffrey; Hendrix, Jon D.; Zhou, Dayong, Frequency and direction-dependent ambient sound handling in personal audio devices having adaptive noise cancellation (ANC).
  25. Kaller, Roy Scott; Hendrix, Jon D., Frequency-dependent sidetone calibration.
  26. Lu, Yang; Zhou, Dayong; Li, Ning, Frequency-shaped noise-based adaptation of secondary path adaptive response in noise-canceling personal audio devices.
  27. Rasmusson, Jim; Claesson, Ingvar; Dahl, Mattias; Nordholm, Sven, Generating calibration signals for an adaptive beamformer.
  28. Malocha, Donald; Kozlovski, Nikolai, Implementation of on-off passive wireless surface acoustic wave sensor using coding and switching techniques.
  29. Hoffberg, Steven M., Intelligent electronic appliance system and method.
  30. Alderson, Jeffrey; Hendrix, Jon D.; Kamath, Gautham Devendra, Internal dynamic range control in an adaptive noise cancellation (ANC) system.
  31. Hendrix, Jon D.; Alderson, Jeffrey; Abdollahzadeh Milani, Ali; Zhou, Dayong; Lu, Yang, Low-latency multi-driver adaptive noise canceling (ANC) system for a personal audio device.
  32. Hendrix, Jon D.; Alderson, Jeffrey; Abdollahzadeh Milani, Ali; Zhou, Dayong; Lu, Yang, Low-latency multi-driver adaptive noise canceling (ANC) system for a personal audio device.
  33. Miyazaki Toshihiro (Kodaira JPX) Murakami Kazutomo (Yokohama JPX) Mizuno Keiichiro (Tokyo JPX), Method and apparatus for controlling vibration.
  34. Christoph, Markus, Method and apparatus for dynamic sound optimization.
  35. Abdollahzadeh Milani, Ali; Melanson, John L., Metric and tool to evaluate secondary path design in adaptive noise cancellation systems.
  36. Andrea Douglas ; Topf Martin, Noise cancellation apparatus.
  37. Todter Chris ; Clifton Scott,AUX ; Bremner Paul,AUX, Noise cancelling systems.
  38. Kuo Sen M., Off-line feedback path modeling circuitry and method for off-line feedback path modeling.
  39. Kuo Sen M., Off-line path modeling circuitry and method for off-line feedback path modeling and off-line secondary path modeling.
  40. Takeda, Yasukata; Ohtsuka, Masaki, Operational noise control method for air conditioner.
  41. Hendrix, Jon D.; Abdollahzadeh Milani, Ali; Kwatra, Nitin; Zhou, Dayong; Lu, Yang; Alderson, Jeffrey, Oversight control of an adaptive noise canceler in a personal audio device.
  42. Lu, Yang; Zhou, Dayong; Hendrix, Jon D.; Alderson, Jeffrey, Power management of adaptive noise cancellation (ANC) in a personal audio device.
  43. Abdollahzadeh Milani, Ali; Alderson, Jeffrey; Kamath, Gautham Devendra; Lu, Yang, Robust adaptive noise canceling (ANC) in a personal audio device.
  44. Abdollahzadeh Milani, Ali; Alderson, Jeffrey; Kamath, Gautham Devendra; Lu, Yang, Robust adaptive noise canceling (ANC) in a personal audio device.
  45. Hendrix, Jon D.; Abdollahzadeh Milani, Ali, Sidetone management in an adaptive noise canceling (ANC) system including secondary path modeling.
  46. Alderson, Jeffrey; Hendrix, Jon D.; Zhou, Dayong; Miller, Antonio John; Yong, Chin; Kamath, Gautham Devendra, Source audio acoustic leakage detection and management in an adaptive noise canceling system.
  47. Marash, Joseph; Berdugo, Baruch, Super directional beamforming design and implementation.
  48. Pellen, Alain T., System and method of cancelling noise radiated from a switch-mode power converter.
  49. Joseph Marash IL; Baruch Berdugo IL, System, method and apparatus for cancelling noise.
  50. Hogle, Joseph Alan; Wise, Michael Glynn; Shaver, Steven Mark; Austin, Michael Eugene, Systems and methods for suppressing pressure waves using corrective signal.
  51. Jones Owen,GBX, Variable gain active noise canceling system with improved residual noise sensing.
  52. Jones,Owen, Variable gain active noise cancelling system with improved residual noise sensing.
  53. Brown, Christopher A.; Schneider, John F., Wide area noise cancellation system and method.
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