[특허]Electroacoustic device for hearing needs including noise cancellation

Electroacoustic device for hearing needs including noise cancellation 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61F-011/02
출원번호	US-0532323 (1990-07-10)
발명자 / 주소	Moseley William T. (Shreveport LA)
출원인 / 주소	MNC, Inc. (Shreveport LA 02)
인용정보	피인용 횟수 : 62 인용 특허 : 0

초록 ▼

A device for performing electroacoustic functions including noise cancellation, hearing aid, communication interface, headset, feed for recording device, and headphone functions. The device includes composite transducers connected to a control unit. The composite transducers can be mounted on a headband and are configured to include input transducers for converting acoustic waves into electrical signals for processing by a control unit, and output transducers for converting the processed electrical signals to processed sound waves. The control unit includes an inverter/amplifier and a mixer/output amplifier for inverting the electrical input and controlling the gain for either adjusting the gain to maximize a noise cancellation function or increasing the gain beyond the minimum level heard by the ear to a desired level for a hearing aid function. Connectors for connecting recorders and a boom microphone, and function selection switches are provided by the control means for connecting circuit components of the control unit selectively for performing the above functions. The input and output transducers have oppositely oriented diaphragms mounted in a common plane to provide an inverted acoustic wave in real time for combining with and substantially cancelling an incoming acoustic wave. In this embodiment, an isolation wall means may also be incorporated to prevent sound from the output transducer from propagating back into the input transducer. In a second embodiment, the input and output transducer are both oriented in the same direction toward the user\s ear canal.

대표청구항 ▼

An electroacoustic device for cancelling sound waves in a bounded ear canal, comprising: an input transducer for converting sound waves incident on a pickup surface of the input transducer into corresponding input electrical signals; an output transducer for converting output electrical signals into corresponding sound waves which emanate from a diaphragm surface of the output transducer into the bounded ear canal, said output transducer defining a boundary of the bounded ear canal; a transducer frame to which said input transducer and said output transducer are fixed so that said pickup surface of said output transducer are in substantially the same plane, the input transducer and the output transducer being independently mounted on the transducer frame such that the movement of the pickup surface relative to the transducer frame is primarily in response to incident sound waves, said transducer frame defining another boundary of said bounded ear canal; and a control means for receiving the electrical signals from the input transducer and for generating the output electrical signals to the output transducer, the output electrical signals being substantially 180 degrees out of phase with respect to said sound waves incident on said pickup surface of said input transducer so that sound waves in said bounded ear canal are substantially cancelled; said diaphragm of said output transducer being mounted to direct sound waves primarily toward said ear canal and said pickup device of said input transducer being mounted to face in the same direction relative to the ear canal when said device is mounted on a user\s ear.

이 특허를 인용한 특허 (62)

Brittain Thomas Paige (2320 Lakeview Dr. Amarillo TX 79109), Active noise reduction headset.
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Linder Frank X., Adaptive noise rejection system and method.
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Linder, Frank X, Adaptive noise rejection system and method.
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Wenzel, Stuart W., Adjustable venting for hearing instruments.
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Olsen, Jake L.; Chazan, David; Fay, Jonathan P.; Rosen, Micha; Puria, Sunil, Anatomically customized ear canal hearing apparatus.
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Andrea Douglas, Combined boom microphone headset and stand.
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Donaldson, Mark; Steyn, Andre; Guiu, Pierre Victor Manuel; Givernet, Damien Oliver; Sim, William James, Component for noise reducing earphone.
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Puria, Sunil; Rosen, Micha; Fay, Jonathan P.; Rucker, Paul; Stone, James, Devices and methods for hearing.
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Puria, Sunil; Rosen, Micha; Fay, Jonathan P.; Rucker, Paul; Stone, James, Devices and methods for hearing.
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Perkins, Rodney C.; Puria, Sunil, Eardrum implantable devices for hearing systems and methods.
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Perkins, Rodney C.; Puria, Sunil, Eardrum implantable devices for hearing systems and methods.
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Perkins, Rodney C.; Puria, Sunil, Eardrum implantable devices for hearing systems and methods.
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Tiscareno, Victor M.; Hailey, Michael B., Earphone having an articulated acoustic tube.
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Moseley,William T., Electroacoustic devices with noise-reducing capability.
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Tate Joseph B. ; Wolff Steven B. ; Rao Vidya Sagar, Element for a noise cancellation device.
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Tate Joseph B. ; Wolff Steven B. ; Rao Vidya Sagar, Element for a noise cancellation device.
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Fay, Jonathan P.; Puria, Sunil; Rucker, Paul; Winstead, John H.; Perkins, Rodney C., Energy delivery and microphone placement methods for improved comfort in an open canal hearing aid.
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Adams, Joel, Headset/radio auto sensing jack.
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Puria, Sunil; Perkins, Rodney C., Hearing system having an open chamber for housing components and reducing the occlusion effect.
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Perkins, Rodney C.; Puria, Sunil, Hearing system having improved high frequency response.
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Puria, Sunil; Perkins, Rodney C., Hearing system having improved high frequency response.
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Puria, Sunil, High fidelity and reduced feedback contact hearing apparatus and methods.
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Darlington, Paul; Azmi, Yacine; Lefebvre, Mickael Bernard Andre; Hewitt, Oliver Michael James, In-ear device incorporating active noise reduction.
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Grinker, Scott C.; Trainer, Glenn K., In-ear earphone with articulating nozzle and integrated boot.
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Teran, Marco; Bishop, Mark; Kimura, Torsten; Rucker, Paul; Puria, Sunil; Jones, Marshall Scott, Light based hearing systems, apparatus, and methods.
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Linder Frank X., Microphone noise rejection system.
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Perkins, Rodney C.; Puria, Sunil; Fay, Jonathan P., Multifunction system and method for integrated hearing and communication with noise cancellation and feedback management.
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Puria, Sunil; Perkins, Rodney C.; Fay, Jonathan P., Multifunction system and method for integrated hearing and communication with noise cancellation and feedback management.
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Puria, Sunil; Perkins, Rodney C.; Fay, Jonathan P., Multifunction system and method for integrated hearing and communication with noise cancellation and feedback management.
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Andrea Douglas ; Topf Martin, Noise cancellation apparatus.
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Tate Joseph B. ; Wolff Steven B. ; Rao Vidya Sagar, Noise cancellation device.
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Joseph B. Tate ; Steven B. Wolff, Noise cancellation device for use with recording devices.
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Donaldson, Mark; Givernet, Damien Oliver, Noise cancellation earphone.
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Todter Chris ; Clifton Scott,AUX ; Bremner Paul,AUX, Noise cancelling systems.
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Tate Joseph B. ; Wolff Steven B., Noise control aperture.
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Tate Joseph B. ; Wolff Steven B. ; Rao Vidya Sagar, Noise control device.
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Perkins, Rodney C.; Puria, Sunil, Optical cochlear stimulation devices and methods.
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Fay, Jonathan P.; Puria, Sunil; Felsenstein, Lee; Stone, James; Pluvinage, Vincent, Optical electro-mechanical hearing devices with combined power and signal architectures.
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Fay, Jonathan P.; Puria, Sunil; Felsenstein, Lee; Stone, James; Pluvinage, Vincent, Optical electro-mechanical hearing devices with combined power and signal architectures.
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Fay, Jonathan P.; Puria, Sunil; Felsenstein, Lee; Stone, James; Pluvinage, Vincent, Optical electro-mechanical hearing devices with combined power and signal architectures.
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Puria, Sunil; Fay, Jonathan P.; Felsenstein, Lee; Stone, James; Killion, Mead C.; Pluvinage, Vincent, Optical electro-mechanical hearing devices with separate power and signal components.
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Puria, Sunil; Fay, Jonathan P.; Felsenstein, Lee; Stone, James; Killion, Mead C.; Pluvinage, Vincent, Optical electro-mechanical hearing devices with separate power and signal components.
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Puria, Sunil; Fay, Jonathan P.; Felsenstein, Lee; Stone, James; Killion, Mead C.; Pluvinage, Vincent, Optical electro-mechanical hearing devices with separate power and signal components.
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Puria, Sunil; Perkins, Rodney C.; Rucker, Paul, Optically coupled acoustic middle ear implant systems and methods.
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Puria, Sunil; Perkins, Rodney C., Optically coupled active ossicular replacement prosthesis.
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Puria, Sunil; Perkins, Rodney C., Optically coupled bone conduction systems and methods.
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Perkins, Rodney C.; Puria, Sunil, Optically coupled cochlear actuator systems and methods.
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Perkins, Rodney C.; Puria, Sunil, Optically coupled cochlear actuator systems and methods.
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Joseph B. Tate ; Steven B. Wolff ; Vidya Sagar Rae, Pluggable noise-controlling apparatus and method.
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Chemtob, Helen Jeanne; Hershberger, Gerald Cyrus, Portable hearing-assistive sound unit system.
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Yamkovoy, Paul, Pressure adaptive active noise cancelling headphone system and method.
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Fuller, Graeme Colin, Realisation of controller transfer function for active noise cancellation.
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Freed, Daniel J.; Puria, Sunil, Sliding bias and peak limiting for optical hearing devices.
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Marash, Joseph; Berdugo, Baruch, Super directional beamforming design and implementation.
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Harris, Jr.,Kenneth David; Li,Vian W. Y.; Little,Baird M., System and method for providing passive noise reduction.
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Joseph Marash IL; Baruch Berdugo IL, System, method and apparatus for cancelling noise.
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Pluvinage, Vincent; Perkins, Rodney C., Systems and methods for photo-mechanical hearing transduction.
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Pluvinage, Vincent; Perkins, Rodney C., Systems and methods for photo-mechanical hearing transduction.
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Rucker, Paul; Puria, Sunil; Fay, Jonathan; Rosen, Micha, Transducer devices and methods for hearing.
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Sim, William James; Greig, Nigel; Beck, Robert David; Nicklin, Mark, Vehicle media distribution system using optical transmitters.
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Bruss, John, Vented acoustic enclosures and related systems.
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Electroacoustic device for hearing needs including noise cancellation 원문보기

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안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

Electroacoustic device for hearing needs including noise cancellation 원문보기

초록 ▼

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