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Noise reducing device 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • A61F-011/02
  • G10K-011/16
출원번호 US-0493432 (1990-03-14)
우선권정보 JP-0075277 (1989-03-25); JP-1075276 (1989-03-25); JP-0074833 (1989-03-29)
발명자 / 주소
  • Kimura Akira (Kanagawa JPX) Sasaki Tooru (Tokyo JPX) Kobayashi Nobuo (Tokyo JPX)
출원인 / 주소
  • Sony Corporation (Tokyo JPX 03)
인용정보 피인용 횟수 : 47  인용 특허 : 0

초록

This invention is concerned with a device for reducing the external noise reaching the ear in extremely noisy places such as in the vehicle or construction sites. According to the present invention, the external noise in picked up by a microphone provided in the vicinity of an electro-acoustic trans

대표청구항

A noise reducing device in which an external noise reaching a user\s acoustic meatus may be reduced by being acoustically combined with an acoustic signal output by an electro-acoustic transducer arranged facing a user\s acoustic meatus when the noise reducing device is worn a user, comprising: acou

이 특허를 인용한 특허 (47)

  1. Carreras, Ricardo F., ANR settings triple-buffering.
  2. Carreras, Ricardo F.; Gauger, Jr., Daniel M.; Joho, Marcel, ANR signal processing topology.
  3. Goodwin-Johansson Scott H., Active noise supressors and methods for use in the ear canal.
  4. Linder Frank X., Adaptive noise rejection system and method.
  5. Linder, Frank X, Adaptive noise rejection system and method.
  6. Andrea Douglas, Combined boom microphone headset and stand.
  7. Sibbald, Alastair, Communication apparatus with ambient noise reduction.
  8. Burge, Benjamin D.; Carreras, Ricardo F., Convertible filter.
  9. Burge, Benjamin D.; Carreras, Ricardo F.; Joho, Marcel, Convertible filter.
  10. Gautama, Temujin, Device for and a method of processing a signal.
  11. Clemow, Richard, Digital circuit arrangements for ambient noise-reduction.
  12. Clemow, Richard, Digital circuit arrangements for ambient noise-reduction.
  13. Clemow, Richard, Digital circuit arrangements for ambient noise-reduction.
  14. DeLine, Jonathan E.; Lynam, Niall R.; Spooner, Ralph A.; March, Philip A., Digital sound processing system for a vehicle.
  15. DeLine, Jonathan E; Lynam, Niall R; Spooner, Ralph A; March, Phillip A, Digital sound processing system for a vehicle.
  16. Darlington Paul (Southampton GBX) Powell Gerald A. (Southampton GBX), Ear defenders employing active noise control.
  17. DeLine, Jonathan E.; Lynam, Niall R.; Spooner, Ralph A.; March, Philip A., Electronic accessory system for a vehicle.
  18. Joho, Marcel; Carreras, Ricardo F.; Isabelle, Steven H., Feedback-based ANR adjustment responsive to environmental noise levels.
  19. Joho, Marcel; Carreras, Ricardo F.; Gauger, Jr., Daniel M., Feedforward-based ANR talk-through.
  20. Yanagishita, Yuji; Katsuyama, Shinnosuke, Headphone set.
  21. Jonathan E. DeLine ; Niall R. Lynam ; Ralph A. Spooner ; Phillip A. March, Interior rearview mirror sound processing system.
  22. Gaches, Olivier, Listening device for clear perception of sound signals in a noisy environment.
  23. Furlong, Jeffrey A., Low current signal compression circuit.
  24. Linder Frank X., Microphone noise rejection system.
  25. Andrea Douglas ; Topf Martin, Noise cancellation apparatus.
  26. Andrea Douglas ; Topf Martin, Noise cancellation apparatus.
  27. Andrea Douglas ; Topf Martin, Noise cancellation apparatus.
  28. Gul, Hassan Faqir; Greig, Nigel; Darbonne, Thomas Allen; Poletti, Mark; de Guigne, Johann Frederic, Noise cancellation system.
  29. Todter Chris ; Clifton Scott,AUX ; Bremner Paul,AUX, Noise cancelling systems.
  30. Beard, Terry, Personal hearing control system and method.
  31. Wertz, Duane; Shridhar, Vasant, Quiet zone control system.
  32. Hung, Chia-Yu; Yeh, Tsung-Li; Tu, Yi-Chang, Signal processing apparatus.
  33. Marash, Joseph; Berdugo, Baruch, Super directional beamforming design and implementation.
  34. Shridhar, Vasant; Wertz, Duane, System for active noise control based on audio system output.
  35. Shridhar, Vasant; Wertz, Duane, System for active noise control with adaptive speaker selection.
  36. Wertz, Duane; Shridhar, Vasant, System for active noise control with an infinite impulse response filter.
  37. Shridhar, Vasant; Wertz, Duane, System for active noise control with audio signal compensation.
  38. Shridhar, Vasant; Wertz, Duane, System for active noise control with audio signal compensation.
  39. Shridhar, Vasant; Wertz, Duane, System for active noise control with audio signal compensation.
  40. Shridhar, Vasant; Wertz, Duane, System for active noise control with parallel adaptive filter configuration.
  41. Joseph Marash IL; Baruch Berdugo IL, System, method and apparatus for cancelling noise.
  42. Hendrix, Jon D.; Kwatra, Nitin; Alderson, Jeffrey D., Systems and methods for distributed adaptive noise cancellation.
  43. Zheng,Dunmin; Zuniga,Michael Anthony, Telephonic handset employing feed-forward noise cancellation.
  44. Jones Owen,GBX, Variable gain active noise canceling system with improved residual noise sensing.
  45. Jones,Owen, Variable gain active noise cancelling system with improved residual noise sensing.
  46. DeLine, Jonathan E.; Lynam, Niall R.; Spooner, Ralph A.; March, Philip A., Vehicular rearview mirror system.
  47. DeLine, Jonathan E.; Lynam, Niall R.; Spooner, Ralph A.; March, Phillip A., Vehicular sound-processing system incorporating an interior mirror user-interaction site for a restricted-range wireless communication system.
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