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Noise cancellation apparatus 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04R-003/00
출원번호 US-0339126 (1994-11-14)
발명자 / 주소
  • Andrea Douglas (Old Brookville NY) Topf Martin (Brooklyn NY)
출원인 / 주소
  • Andrea Electronics Corporation (Long Island City NY 02)
인용정보 피인용 횟수 : 74  인용 특허 : 0

초록 ▼

Apparatus for reducing acoustic background noise for use with a telephone handset or a boom microphone device or a boom headset or the like. The apparatus includes first and second microphones which are arranged such that the first microphone receives a desired speech input and the background noise

대표청구항 ▼

Noise reduction apparatus comprising: a housing having first omnidirectional microphone means for receiving a first acoustic sound composed of speech originating from an operator operating said apparatus and background noise, and for converting said first acoustic sound to a first signal, and second

이 특허를 인용한 특허 (74)

  1. DeLine, Jonathan E.; Lynam, Niall R.; Spooner, Ralph A.; March, Phillip A., Accessory mounting system for a vehicle.
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  3. Short, Shannon M.; Hartselle, William A.; Meadows, Vernon, Ambient noise cancellation for voice communication device.
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  5. Short, Shannon M.; Hartselle, William A.; Meadows, Vernon, Ambient noise cancellation for voice communications device.
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  6. Holthaus James R. ; Dilley David L., Apparatus and method for providing proper microphone DC bias current and load resistance for a telephone.
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  7. DeLine, Jonathan E.; Lynam, Niall R.; Spooner, Ralph A.; March, Philip A., Digital sound processing system for a vehicle.
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  8. DeLine, Jonathan E; Lynam, Niall R; Spooner, Ralph A; March, Phillip A, Digital sound processing system for a vehicle.
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  9. Pounds, William E.; Carson, Oliver Benjamin, Dissipative system for increasing audio entropy thereby diminishing auditory perception.
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  10. Marash Joseph,ILX, Dual-processing interference cancelling system and method.
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  15. Suwalski, Henry J.; Viduya, Andres D.; Pogue, Lonnie, Headset.
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  17. Suwalski, Henry J.; Viduya, Andres D.; Pogue, Lonnie, Headset.
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  18. Wahl, James; Weiss, Martin M., Headset terminal with rear stability strap.
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  19. Wahl, James; Viduya, Andres; Kessing, Ben; Byford, Roger Graham; Logan, James Randall; Tooze, Dominic; Shade, Philip; Lacy, Graham, Headset terminal with speech functionality.
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  20. Wahl, James; Viduya, Andres; Kessing, Ben; Byford, Roger Graham; Logan, James Randall; Tooze, Dominic; Shade, Philip; Lacy, Graham, Headset terminal with speech functionality.
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  21. Tarvonen, Mika; Sade, Heli; Saari, Jarmo; Salminen, Petteri; Lehtovaara, Sami; Martenson, Rasmus; Eiden, Niko, Headset with adjustable boom.
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  23. Goss, Raymond G., Headset with multiple connections.
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  24. Bodley,Martin Reed, Headset with variable gain based on position of microphone boom.
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  25. Jonathan E. DeLine ; Niall R. Lynam ; Ralph A. Spooner ; Phillip A. March, Interior rearview mirror sound processing system.
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  28. Park, Sang Gyu; Yang, Sang Hyeok, Microphone.
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  29. Kubota, Hiroshi; Jonan, Tomohiro, Microphone array including at least three microphone units.
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  30. Malvar, Henrique S.; Florencio, Dinei A.; Gillespie, Bradford W., Microphone array signal enhancement.
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  31. Swanson, David Carl, Microphone array transducer for acoustic musical instrument.
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  69. Turnbull,Robert R.; Knapp,Robert C.; Walstra,Eric J.; Watson,Alan R.; Poe,G. Bruce; Roberts,John K.; Rumsey,Wayne J., Vehicle rearview mirror assembly incorporating a communication system.
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  71. 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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