Receiver module for inflating a membrane in an ear device
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H04R-025/00
출원번호
US-0011941
(2011-01-24)
등록번호
US-8526651
(2013-09-03)
발명자
/ 주소
Lafort, Adrianus M.
van Hal, Paul Christiaan
출원인 / 주소
Sonion Nederland BV
대리인 / 주소
Nixon Peabody LLP
인용정보
피인용 횟수 :
44인용 특허 :
20
초록▼
A receiver module configured to be seated within an ear canal and optimized for simultaneously inflating an inflatable membrane while generating acoustic waves transmitted to a user. The inflatable membrane can be used to secure the receiver module within the bony portion of the ear canal of the use
A receiver module configured to be seated within an ear canal and optimized for simultaneously inflating an inflatable membrane while generating acoustic waves transmitted to a user. The inflatable membrane can be used to secure the receiver module within the bony portion of the ear canal of the user. A multi-layer valve system and method of assembly are disclosed for a valve system to harvest static pressure from acoustic waves generated within the receiver and direct the increased pressure toward the inflatable membrane to inflate the membrane. The multi-layer valve system can be used to prevent a back flow of air and thereby maintain a static pressure differential between ambient air drawn in through an air ingress port and air forced into the inflatable membrane through an air egress port.
대표청구항▼
1. A receiver module comprising: a housing having a sound port for transmitting acoustic waves within an ear canal and an inflation port;a diaphragm within the housing, the diaphragm being driven to create: (i) the acoustic waves in response to a first electrical input signal to the receiver module,
1. A receiver module comprising: a housing having a sound port for transmitting acoustic waves within an ear canal and an inflation port;a diaphragm within the housing, the diaphragm being driven to create: (i) the acoustic waves in response to a first electrical input signal to the receiver module, and (ii) a membrane-inflation pressure adjacent to the inflation port in response to a second electrical input signal to the receiver module;a front volume on one side of the diaphragm within the housing and in direct communication with the sound port, the front volume allowing the acoustic waves to be transmitted through the sound port;a back volume within the housing on an opposing side of the diaphragm relative to the front volume, the back volume being in direct communication with the inflation port; anda valve system coupled to the housing directly adjacent to the inflation port, the valve system including a plurality of layers to provide a flat configuration to the valve system wherein the flat configuration to the valve system has a thickness that is less than the width dimension of the housing, at least one of the plurality of layers defining an egress port, and wherein in response to the membrane-inflation pressure created by the diaphragm, the valve system expelling air through the egress port to inflate an external inflatable membrane located within the ear canal of a user. 2. The receiver module of claim 1, wherein the valve system further includes an ingress port for supplying ambient air that is passed to the egress port. 3. The receiver module of claim 1, wherein a first one of the plurality of layers in the valve system is a flexible polymeric layer, the flexible polymeric layer including a cut that defines a valve flap. 4. The receiver module of claim 3, wherein the valve flap has a U-shape. 5. The receiver module of claim 3, wherein the valve flap is located directly above the inflation port on the housing. 6. The receiver module of claim 3, wherein the flexible polymeric layer is polyethylene terephthalate (PET). 7. The receiver module of claim 3, wherein another one of the plurality of layers in the valve system includes a check valve. 8. The receiver module of claim 1, wherein the housing at least partially defines an air-ingress channel between the inflation port and an ambient air source. 9. The receiver module of claim 8, wherein the housing and one of the plurality layers define the air-ingress channel. 10. The receiver module of claim 1, wherein the back volume and the front volume are connected by a compensation port. 11. A method of operating a receiver module positioned within an ear canal of a user to generate a static pressure differential, the receiver module including a valve system that includes a plurality of layers mechanically coupled to a housing of the receiver, the valve system having a flat profile with an overall thickness that is less than the width dimension of the housing, the plurality of layers of the valve system having an egress port being coupled to the inflatable membrane, the method comprising: drawing air in through an ingress port defined by at least one of the plurality of layers of the valve system of the receiver module;generating, by use of a diaphragm, pressure within a back volume of the receiver module; andforcing air displaced by the generated pressure into the valve system and expelling the displaced air through the egress port, the plurality of layers of the valve system being configured to substantially maintain a static pressure differential between the back volume and the egress port so as to optimize the receiver module for inflating an inflatable membrane located within the ear canal. 12. The method of operating the receiver module of claim 11, wherein the plurality of layers of the valve system includes a flexible polymeric material having a valve flap. 13. The method of operating the receiver module of claim 11, further comprising inhibiting a flow of air back from the egress port into the back volume of the receiver module. 14. The method of operating the receiver module of claim 13, wherein the inhibiting occurs through use of a one-way valve to substantially prevent air from passing back from the egress port. 15. The method of operating the receiver module of claim 14, wherein the preventing is carried out with a check valve defined by one or two of the layers within the valve system. 16. The method of operating the receiver module of claim 11, further comprising generating an acoustic signal with the diaphragm in response to first electrical input signals corresponding to ambient sound received by a microphone, and transmitting the acoustic signals through a sound port of the receiver module toward a tympanic membrane within the ear canal. 17. The method of operating the receiver module of claim 16, wherein the generated pressure corresponds to second electrical input signals received by the receiver module. 18. The method of operating the receiver module of claim 11, wherein the housing of the receiver module includes an inflation port that transmits the generated pressure into the valve system. 19. The method of operating the receiver module of claim 18, wherein the inflation port leads into a larger air-ingress region coupled to the ingress port, the air-ingress region leading to a valve flap defined by a polymeric film associated with one of the plurality of layers.
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