210results about "Earplugs" patented technology

An earplug having a bamboo attenuator and a tapered body portion that includes a central shaft with bamboo attenuator disposed within and extending throughout an entirety of a hollow sheath, and contact structures which are flexible and have a successively smaller size moving from a lateral end of the tapered body portion to a medial end of the tapered body portion, and a stopper portion attached to the lateral end of the tapered body portion. The earplug provides passive, nonlinear attenuation of incoming sound to provide hearing protection to a user while allowing for comfortable use.

An earplug for blocking sound and method of making the same, which includes a planar insert within an earplug of compressible slow recovery foam. A method of attenuating sound by inserting the earplug at an ear canal entry so that the planar insert is tactilely vertical, and pushing the earplug into the ear canal allowing the earplug to flex perpendicular to plana surfaces of the planar insert.

An external ear canal pressure regulation device including a fluid flow generator, an earpiece having an axial earpiece bore, and a valved conduit fluidicly coupled to the fluid flow generator and the axial earpiece bore, whereby the earpiece has a compliant earpiece external surface configured to sealably engage an external ear canal as a barrier between an external ear canal pressure and an ambient pressure.

The present invention falls within the field of articles for daily use, and particularly relates to a sleep noise-proof structure provided on an eye-shrouding member being an eye patch or a sleeping cap and having an eye shield for shrouding the eyes, wherein the sleep noise-proof structure comprises two wires and two earplugs, the wires have a first end and a second end, and the first end is fixedly connected to the front side of the eye shield, and the second end is connected to an earplug. Since the earplug is connected to the front side of the eye shield with a wire, not only the problem of loss of the earplug can be prevented, but also the ear cannot be tightened and the overall comfort can be increased for a better experience.

The invention relates to a device (1) for the selective attenuation of noise emitted by dental equipment with a so-called active part (3) whose shapes and dimensions correspond to the shapes and dimensions of an human external auditory canal (4) being and adapted to be removably inserted into the canal (4), a gripping part (5) of the device (1), the active part (3) with at least one communication orifice (71, 81, 91) with the external auditory canal (4) and at least one tubular resonance chamber (7, 8, 9) having an open end (71, 81, 91) and a closed end. The active part (3) is configured as a cylinder with at least two straight, circular-based cylindrical resonance chambers (7, 8, 9) whose longitudinal axes (A7, A8, A9) are parallel to each other and to a longitudinal axis (A3) of the active part (3). At least two resonance chambers have different lengths.

The utility model discloses a comfortable sound insulation type silica gel earplug, which relates to the technical field of silica gel earplugs, and comprises a first silica gel earplug and a second silica gel earplug, the first silica gel earplug and the second silica gel earplug are both fixedly provided with a fixed ear frame, and one end of the first silica gel earplug and one end of the second silica gel earplug are both provided with air holes. And a sealing plug is tightly attached to the interior of each air hole, a connecting frame is fixedly arranged at one end of each sealing plug, a connecting belt is tightly attached to each connecting frame, a connecting rope is fixedly arranged at the other end of each connecting belt, and a connecting mechanism is arranged at one end of each connecting rope. According to the utility model, through the arrangement of the fixed ear frames and the air holes, and the sealing plugs tightly attached to the interiors of the air holes, various choices can be provided for a user when the earplug is worn, and the first silica gel earplug and the second silica gel earplug can be conveniently connected through the connecting rope, so that the first silica gel earplug and the second silica gel earplug are convenient to store.

A computer system for intra-ear sensing and stimulating receives, health data, from an earbud sensor. The system repeatedly calculates an exponential moving average (EMA) of a moving window for the received health data. The system compares each calculated exponential moving average with a lower threshold value and an upper threshold value. The upper threshold value and the lower threshold value are determined based, at least in part, upon a saturation level associated within an amplifier performing the adaptive gain control. When the calculated exponential moving average is larger than the upper threshold, the system decreases a gain associated with the amplifier. When the calculated exponential moving average is smaller than the lower threshold, the system increases a gain associated with the amplifier.

A faceplate (1) configured to be removably affixed to an outer face (20) of a retaining body (17) of an earpiece (2) configured to be disposed within the concha of an ear of a wearer. An earpiece (2) comprising a retaining body (17) configured to be disposed within the concha of an ear of a wearer, the retaining body having an outer face (20) opposite to an inner face (21) extending to a retaining body periphery (22), the retaining body including a projection element (18) configured to project into an ear canal opening of the wearer, the projection element (18) adapted to retain an earpiece tip (19) configured to engage an ear canal wall of the wearer, and a faceplate (1) configured to cover the outer face (20) of the retaining body (17), the retaining body and the faceplate including releasably engageable mateable parts to removably affix the faceplate to the retaining body.

A hearing protection device to be worn in ear provides communications of ambient sound to an in-ear speaker. Blast noise is detected and measured using either the in-ear speaker as a microphone or using a separate in-ear microphone.

The utility model provides a shading eyeshade which comprises an eyeshade body, an adjusting groove is formed in the outer surface of the eyeshade body, a light hole penetrating through the eyeshade body in the thickness direction is formed in the adjusting groove, and a shading piece used for shading the light hole is arranged in the adjusting groove. The anti-dazzling screen slides in the adjusting groove so that the light inlet amount of the eyeshade body can be adjusted by adjusting the covering rate of the anti-dazzling screen on the light transmitting hole. The adjusting groove is formed in the outer side of the eyeshade connecting band, the light hole penetrating through the wearing part and the shading part is formed in the groove, the shading piece in the adjusting groove slides to cover the area of the light hole so as to achieve stepless adjustment of the light inlet amount, and operation is easy.

A method for external ear canal pressure regulation to alleviate one or more symptoms associated with a disorder or treat one or more disorders, the method including providing a fluid transfer device which generates a fluid flow of a fluid through an earplug, the earplug having an earplug external surface configured to sealably engage an external ear canal wall as a barrier between an external ear canal pressure and an ambient pressure; sealably engaging the earplug of the fluid transfer device with the external ear canal wall as the barrier between the external ear canal pressure and the ambient pressure; and operating the fluid transfer device to generate the fluid flow of the fluid through the earplug to achieve an external ear canal pressure differential between the external ear canal pressure and the ambient pressure effective to alleviate a disorder symptom or treat a disorder.

Hearing protection device (10, 10′, 10″) with an indication unit (40a, 40b) and a detection unit (30, 30′, 30″) to send a first detection signal, to assign a distance value based on a second detection signal of an external device (50, 50) representing the physical distance to the external device (50, 50) and to control the indication unit (40a, 40b) to provide an indication to the user (100) if the assigned distance value is at or below a predetermined threshold distance value. Thus, a collision may easily and reliably be prevented by providing an indication to the user (100), so that the risk of missing relevant sound of a moving person or object is overcome. A collision warning system comprising such a hearing protection device (10, 10′, 10″) and an external device is also provided. Furthermore, a method of retrofitting a hearing protection device (10′″) with such a detection unit (30, 30′, 30″) is provided.

An in-ear hearing protection device is provided. The in-ear hearing protection device includes a microphone (410) configured to receive an ambient sound. The in-ear hearing protection device also includes a processor (420) configured to perform an attenuation function on the received ambient sound to provide an attenuated sound. The in-ear hearing protection device also includes a speaker (440) configured to broadcast the attenuated sound. The in-ear hearing protection device also includes a communication module (430) configured to receive a second attenuation function detail from a second in-ear protection device. The processor is configured to calculate a first attenuation function detail and compare the first and second attenuation function details. The performed attenuation function is based on one of the first and second attenuation function details.

According to an embodiment, a method for designing of one or more virtual models of custom ear devices according to configuration requirements from a user input and according to component and / or material information that are associated with components and / or materials of a target product is provided. The method may comprise steps for displaying the designed one or more virtual models of custom ear devices together with meta data that comprise information on the designed one or more custom ear device's compatibility with the configuration requirements and the contained components. According to an embodiment, a computer-readable storage medium or computer program is provided, comprising commands, which when executed by a computer, causes the computer to execute and perform the method for designing and displaying the one or more virtual models of custom ear devices. According to an embodiment, a system for determining one or more virtual models of custom ear devices is further disclosed. The system may further be configured to display the determined one or more virtual models of custom ear devices together with associated meta data on a graphical user interface.

The present invention relates to a method for producing an individual device (10) for improving health conditions in a subject, comprising: scanning the geometry of the outer cars, producing a 3D-model of the individual device (10), and manufacturing the device (10) specifically adapted to the individual geometry of the outer cars of the subject, wherein the device (10) is specifically adapted to the individual geometry of the outer cars of the subject; to apply pressure to the external car in a way that the position of the pinna is changes; to exert pressure on acupressure points around to the external ear; and wherein the device (10) is flexible.

An in-ear hearing protection device is provided. The in-ear hearing protection device includes a microphone (410) configured to receive environmental sound. The in-ear hearing protection device also includes a processor (420) configured to perform an attenuation function on the received environmental sound to provide an attenuated sound. The in-ear hearing protection device also includes a speaker (440) configured to play the attenuated sound. The in-ear hearing protection device also includes a communication module (430) configured to receive second attenuation function details from a second in-ear protection device. The processor is configured to calculate first attenuation function details and compare the first attenuation function details to the second attenuation function details. The attenuation function performed is based on one of the first attenuation function details and the second attenuation function details.

Described herein is a computer-implemented method for constructing a customized ear device in a virtual environment in the form of a design through a network automation process utilizing trained nerves. The described computer-implemented method is configured to allow for altering output from a neural network to create a change to an automatically generated custom ear device design. Further, a system is described herein that utilizes a processor running the methods described herein to automatically generate a virtual-constructed custom ear device that may be modified to adjust for any incorrect output generated by a neural network.

An ear plug includes an elongated body sized and shaped to be partially inserted into an ear canal of a wearer, in which the body includes a negative Poisson's ratio (NPR) polymer foam material having a Poisson's ratio of between 0 and −1. A mouth guard includes an arc-shaped element sized to be received into a mouth of a wearer. The arc-shaped element has an outer wall, an inner wall, and a biting wall connecting the outer wall and the inner wall. The outer wall, the inner wall, and the biting wall define a channel that is sized to receive upper teeth of the wearer or lower teeth of the wearer. The outer wall, the biting wall, or both includes a negative Poisson's ratio (NPR) material having a Poisson's ratio between 0 and −1.

An ergonomic earpiece for a dynamic fit in a wearer's ear and corresponding methods are disclosed. The earpiece may include an arcuate rib having upper and lower ends. The arcuate rib may be received by an antihelix and an antitragus of a wearer's ear. The earpiece may also include an upper lobe extending from the upper end of the arcuate rib, where the upper lobe is configured to be received in a cavity defined by a cymba concha and a crus of a helix of the ear. The earpiece may also include an aperture in the upper lobe configured to permit the upper lobe to exhibit a flexion in response to a compression of the upper lobe against the ear to dynamically fit the earpiece to the ear. Additional devices and methods are also provided.

The present invention relates to a polyurethane foam forming system comprising (A) an aqueous polymer dispersion containing a polymer that has a glass transition temperature (Tg) in the range of -5 to 20 ℃, and is prepared from at least one monomer (A1) which contains hydroxyl monomer (A1-1), wherein the hydroxyl monomer (A1-1) is in an amount of 3-30 wt. %, based on the total weight of monomer (A1); wherein the dispersion contains non-ionic surfactant (A2), in an amount of 0.5-9 wt. % based on the total weight of monomers; and wherein the solid content of the aqueous polymer dispersion is 3-80 wt. %, based on the total weight of the aqueous polymer dispersion; (B) an isocyanate composition comprising isocyanate prepolymers; and (C) optionally additives and / or auxiliaries. The invention also relates to polyurethane foam prepared from the said polyurethane foam forming system, and use thereof.

The present disclosure relates to an ear protection system (200) for a medical imaging device. The ear protection system comprises an ear protection device (210) adapted to be fitted around or in an ear of a patient (P) to be imaged and comprising at least a first communication interface (211) and at least one sensor device (212) adapted to determine a measurement of noise passing through the ear protection device (210) towards the ear of the patient. The system (200) further comprises a controllable signal emitter (230) adapted to output a proxy signal representing an expected imaging device noise and to be measured by the at least one sensor device (212), and a patient assistance device (220) adapted to assist the patient in fitting the ear protection device (210) and comprising at least a second communication interface. During a preparation phase of the patient prior to an imaging phase using the medical imaging device, the ear protection device (210) and the patient assistance device (220) are communicatively connected to each other via the first and second communication interfaces and the patient assistance device (220) generates an assistance instruction for the patient depending on an evaluation of the proxy signal and the measurement of noise passing through the ear protection device (210) determined by the sensor device (212).

The invention discloses a self-adaptive snore counteracting method and device based on personalized voiceprint training and a sleep earplug special for a patient, belongs to the technical field of intelligent noise reduction and sleep assistance, and aims to solve the problem that sleep of the patient is disturbed by snoring in a ward. The method comprises a personalized training stage and a real-time recognition and counteracting stage, in the training stage, snore audios of snore patients in a ward are collected, acoustic features are extracted, and a personalized voiceprint model is established after principal component analysis and dimensionality reduction; in the real-time stage, target snore is accurately recognized after dimensionality reduction is conducted through the same method, self-adaptive filtering is started to generate anti-phase sound waves to achieve physical counteracting, and meanwhile key sound of a ward is reserved. The earplugs are made of medical-grade materials, are comfortable to wear, easy to clean and stable in endurance, accurately counteract snore without excessive noise reduction hidden dangers, improve the sleep quality of the patients, and are suitable for hospital wards, rehabilitation centers and other scenes.

The present disclosure provides communication systems and devices for use in noise environments, such as during magnetic resonance imaging (MRI). In some embodiments, a communication headrest is provided that consists of a headrest that supports a patients' head, an optional bone conduction microphone, and one or more vibration actuators. The headset makes contact with noise-isolating earplugs worn by the subject such that vibrations generated by the vibration actuators are transferred through the earplug, via acoustic conduction, to enable the patient to hear audio content while the earplugs provide passive noise protection by occluding the ear canal. In other embodiments, active earplug devices are provided in which an acoustic transducer is contacted and supported by a noise isolating earplug, such that when the earplug is inserted into the ear canal, the acoustic transducer is brought into acoustic conductive communication with tissue surrounding the ear canal, facilitating acoustic communication through bone conduction.

An enhanced earplug device for noise suppression and entertainment lighting comprises a tubular housing with a removable tip portion for ear canal insertion and a visible light element. The device incorporates a quartz acoustic filter for high-fidelity sound preservation while reducing volume, and a vibration sensor detecting musical beats in the 20-250 Hz range for music-reactive lighting patterns. Bluetooth connectivity enables inter-device synchronization and mobile app control. A tap sensor integrated into the housing exterior provides intuitive gesture-based mode switching between static color, music-reactive, and synchronized operational modes. The system includes RF capabilities for professional venue integration via centralized controllers with DMX / MIDI connectivity, enabling coordinated lighting displays across multiple users in entertainment environments.

The invention discloses an earplug capable of adjusting noise reduction performance. The earplug comprises an earplug body and a plug head used for being plugged into an ear canal. The earplug main body is provided with a mounting cavity and a sound outlet communicated with the mounting cavity, the plug head is mounted at the sound outlet, and a sound inlet gap is formed in the earplug main body and used for enabling sound in the environment to enter the mounting cavity; the earplug main body is provided with a noise reduction adjusting structure, and the noise reduction adjusting structure is used for partially or completely sealing a channel between the mounting cavity and the sound outlet; the noise reduction adjusting structure is provided with at least three gears, and under the first gear, a channel between the mounting cavity and the sound outlet is completely closed; in the second gear, the channel between the mounting cavity and the sound outlet is completely opened or partially opened; under other gears, a channel between the mounting cavity and the sound outlet is partially opened, and the opening degree is between the first gear and the second gear.

The invention belongs to the technical field of sound insulation earmuffs. In order to solve the problems that the examination time is prolonged, the examination efficiency is reduced and the noise reduction effect is poor due to noise reduction of an existing nuclear magnetic resonance noise reduction protection device, the invention provides a medical nuclear magnetic resonance noise reduction protection device which comprises an MRI examination bed, an examination pillow, two noise reduction enhancing earmuffs and an earmuff attaching assembly. And each enhanced noise reduction earmuff is connected with the examination pillow and the ear fitting assembly. The distance between the two noise reduction earmuffs can be automatically adjusted through the earmuff attaching assembly according to the head weights of different patients, manual adjustment of the distance between the noise reduction earmuffs is not needed, the examination efficiency is improved, the noise reduction earmuffs can be further attached to the ears of the patients in the use process, the ear canals can be blocked, and the examination efficiency is improved. Double noise reduction sealing of the ear and the ear canal is achieved, and the noise reduction effect of the whole device is improved.

The present invention provides a metal-detectable earplug and a preparation method therefor. The metal-detectable earplug comprises an earplug body primarily composed of polyurethane or thermoplastic rubber. Metal powder accounting for 0.5%-15% of the weight of the earplug body is uniformly distributed in the earplug body. By uniformly distributing the metal powder in the polyurethane or TPR, the metal-detectable earplug of the present invention can be detected by a metal detector without compromising the sound isolation efficacy and wearing comfort of the earplug.

In accordance with an embodiment, there is provided a method for designing one or more virtual models of a custom ear device in accordance with configuration requirements from user input and in accordance with component and / or material information associated with components and / or materials of a target product. The method may include a step for displaying one or more virtual models of the designed custom ear device along with metadata including information in compatibility of the designed one or more custom ear devices with configuration requirements and contained components. In accordance with an embodiment, a computer-readable storage medium or computer program is provided that includes commands that, when executed by a computer, cause the computer to execute and implement a method for designing and displaying one or more virtual models of a customized ear device. In accordance with an embodiment, a system for determining one or more virtual models of a customized ear device is also disclosed. The system may also be configured to display the determined one or more virtual models of the customized ear device on the graphical user interface along with the associated metadata.

The present invention relates to a hearing protection device (10) comprising at least: a plug (12, 12a, 12b) intended to be placed in a user's ear and comprising a cavity, an intermediate piece (14) comprising a fixing ring (20), a main body (16) arranged between the intermediate piece (14) and the plug (12, 12a, 12b) and participating in securing the plug (12, 12a, 12b) to the intermediate piece (14), the main body (16) comprising an internal part which is received at least partially in the cavity of the plug (12, 12a, 12b) and an external part which extends outside the cavity (84) of the plug (12, 12a, 12b) and around which the fixing ring (20) of the intermediate piece (14) is mounted, the main body (16) being secured to the plug (12, 12a, 12b) by a bayonet-type attachment. Figure for the abstract: 1

The invention discloses a self-adaptive springback polyurethane sound insulation earplug with low oppression sense and belongs to the technical field of polyurethane, the polyurethane sound insulation earplug is of a bullet-shaped or bell-shaped structure and comprises a front section and a rear section from the top end to the bottom in the axial direction, the front section is made of self-adaptive springback antibacterial modified polyurethane, and the rear section is made of self-adaptive springback antibacterial modified polyurethane. The rear section is high-density hydrophobic modified polyurethane, and the front section layer adopts a disulfide bond-containing polyether polyol and resveratrol modified system, so that the synergism of antibiosis, antioxidation and self-adaptive resilience is realized; the rear section layer is made of high-density hydrophobic polyurethane, and supporting and stain-resistant functions are provided. The two layers form an integrated structure through in-situ chemical bonding, mild alkali treatment is performed for deprotection after molding, free phenolic hydroxyl groups of resveratrol are recovered, and lasting antibacterial activity is endowed.