286results about "Earmuffs" patented technology

An earmuff includes a first earmuff ring configured to sit against a user's head about a user's ear and a first earmuff cap including an opening and including a noise reduction member being movable relative to the earmuff ring between a first position entirely covering the opening and a second position at least partially exposing the opening, the earmuff cap having a first noise reduction rating in the first position and a second noise reduction rating in the second position that is different than the first noise reduction rating.

A wearable device may be worn in an ear of a user. The wearable device may include a biometric sensor that collects biometric information from the ear, and an environmental sensor that collects environmental information from the ear. The wearable device may receive the biometric information from the biometric sensor, and the environmental information from the environmental sensor, and send biofeedback determined from the biometric information, and an environmental condition determined from the environmental information, wirelessly to a communication device. Other embodiments are disclosed.

The invention relates to the technical field of tinnitus therapeutic apparatuses, and discloses an external auditory canal noninvasive acoustic-electric combined stimulation tinnitus therapeutic apparatus, which comprises an earmuff, the inner wall of the earmuff is fixedly connected with a power supply device, and the surface of the earmuff is provided with a wearable part; the wearable part comprises a fixing frame, the surface of the fixing frame is fixedly connected with the surfaces of earmuffs, protective pads are fixedly connected to the ends, away from the fixing frame, of the earmuffs, through holes are formed in the ends, close to the fixing frame, of the earmuffs, and a sliding plate is fixedly connected to the top of the fixing frame. The elastic piece is hung on the neck of a tinnitus patient so that the tinnitus patient can carry the earmuff, convenience is brought to the tinnitus patient during use, when the tinnitus patient needs to use the earmuff, the earmuff is placed on the ear of the tinnitus patient, the protective pad at the end of the earmuff can make contact with the face of the patient, and the wearing comfort of the tinnitus patient is improved; after the earmuff is placed on the ear of a tinnitus patient, the earmuff can be fixed to the ear of the tinnitus patient through the elasticity of the elastic piece, and the wearing stability of the tinnitus patient is improved.

Earmuffs with a joint are provided to create a biased pressure distribution about a perimeter of the cup. The earmuffs may include a pivot joint. The pressure distribution creates a wedging pressure (e.g., on a top edge) on the cups that hold the earmuffs on the user's head, for example, when the user rotates the headband behind the head. The bias pressure is also used to adjust the seal formed between the pad and the user's head. Adjustments to the moment created by separating the joints from the cup's apex enable a user to selectively adjust the seal according to the user's preference. A cam is added to the headband to change the hoop stress distributed at the joints and further adjust the compressive forces generated to hold the earmuffs against the user's head.

The invention discloses a head fixing device, and relates to the field of medical instruments. The fixing device body can be attached to the outer side of the top end of the head; the bearing mechanism is movably arranged on the rear side of the fixing device body, the position of the bearing mechanism on the fixing device body can be adjusted, and the bearing mechanism is attached to the rear side of the head of the human body and used for bearing the head of the human body in the lying state. The head fixing device provided by the invention can reduce the discomfort of a user.

The invention discloses a head-mounted earmuff device comprising: two earmuff bodies and a headband body. Each earmuff body has an earpad portion and a housing portion. The earpad portion has an accommodating hole. The housing portion is pivotably connected to the earpad portion. The housing portion covers the outer side surface of the earpad portion to isolate environmental sounds. The housing portion is pivoted to leave away from the outer side surface of the earpad portion to allow reception of the environmental sounds. The headband body has a mounting member and two assembling portions, and a pivoting end of the assembling portion is pivotably connected to the earpad portion. A sliding end of the assembling portion is slidably connected to a mounting section of the mounting member, and a dimension of a head-mounted space is adjustable by sliding and fixing the two assembling portions with respect to the mounting member.

The invention relates to the field of earmuff products, in particular to a high-flexibility attached earmuff and a preparation method thereof. The high-flexibility attached earmuff structurally comprises an outer protection layer located at the top, a sound absorption layer located in the middle and a flexible layer located at the bottom. The flexible layer is prepared from the following raw materials in parts by mass: 30 to 40 parts of polyether polyol, 20 to 30 parts of polyisocyanate, 5 to 10 parts of a foaming agent, 1 to 2 parts of a catalyst, 1 to 2 parts of a stabilizer, 3 to 5 parts of a flame retardant, 1 to 2 parts of an antioxidant and 5 to 15 parts of a filling agent. The earmuff product prepared by the invention not only has an excellent sound insulation effect, but also can effectively ensure that the earmuff product has good moisture resistance, water resistance, aging resistance, mechanical quality and other properties, and is especially suitable for environments requiring long-time wearing, such as the fields of music production, industrial operation and the like.

The invention relates to the technical field of psychology sleep aiding, and discloses a psychology-based sleep aiding device, which comprises a pillow part, a sleep aiding assembly and a fluid circulation assembly, the sleep aiding assembly comprises a helmet body, a shading eyeshade, two earmuffs with noise reduction modules and a plurality of first hoses longitudinally connected to the inner side wall of the helmet body, the lower end of each first hose is communicated with the first cavity, the shading eyeshade is provided with a clamping groove, the two earmuffs are symmetrically connected to the two sides in the helmet body, annular second cavities are formed in the earmuffs, and the second cavities are communicated with the first hoses. The fluid circulation assembly comprises an infusion pump, a second hose and a third hose, the second end of the second hose extends towards the top of the helmet body and communicates with the second cavity of the first earcap, all the first hoses communicate with the second hose, the third hose is connected with a suction pump, and the two ends of the third hose communicate with the second cavities of the two earcaps correspondingly. The invention can realize the effect that the patient quickly falls asleep.

The utility model provides a visual ear canal cleaning and nursing instrument. The visual ear canal cleaning and nursing instrument comprises a head-mounted structure and a nursing device, the nursing device comprises a visual assembly and a nursing assembly. The visual assembly comprises a barrel, a camera shooting unit arranged in the barrel and a light supplementing unit used for supplementing light. The camera shooting unit is arranged close to the opening and is used for shooting so as to observe the condition in the cavity; the number of the light supplementing units is multiple, and the multiple light supplementing units are arranged on the camera shooting unit in a surrounding mode. The nursing assembly comprises a cleaning unit used for cleaning the cavity, and the cleaning unit is arranged close to the visual assembly. Compared with the prior art, the visual ear canal cleaning and nursing instrument is worn on the head to liberate the two hands, and other things can be done during nursing; the visual assembly is used for shooting the interior of the cavity, a user can conveniently observe and know the condition in the cavity, and the cleaning unit is used for cleaning the cavity, so that the user can observe the condition in the cavity before and after cleaning and master the nursing result.

The utility model discloses a sound insulation earmuff for nuclear magnetic resonance detection, which comprises a head-mounted part and earmuff parts arranged at two ends of the head-mounted part, each earmuff part comprises a fixing block fixedly connected with the two ends of the head wearing part, an earmuff body arranged on the side, close to the head, of the fixing block, and a rear cover arranged on the side, away from the head, of the fixing block. The first adjusting assembly is arranged between the earmuff body and the fixing block and used for adjusting the distance between the earmuff body and the fixing block; and the second adjusting assembly is arranged between the rear cover and the fixing block and used for adjusting the distance between the rear cover and the fixing block. The distance between the earmuff bodies at the two ends can be adjusted through the first adjusting assembly and the second adjusting assembly, and therefore adjustment can be conducted according to the sizes of the heads of different patients, and the fixing frame can effectively fix the heads of the patients during nuclear magnetic resonance examination.

Disclosed in the present invention is an ears protection device from water during washing of head or taking a shower and from heat when using hot hair-styling tools or hairdryer. The device comprises cups made of silicone with drainage holes, connected via an arch made of nylon or other plastic material, designed to protect the ear from water during showering and from heat when using hot hair-styling tools or a hairdryer.

The utility model provides a visual ear canal cleaning and nursing instrument. The visual ear canal cleaning and nursing instrument comprises a head-mounted structure and a nursing device, the head-mounted structure comprises a connecting shell; the nursing device comprises a visual assembly, a nursing assembly and a liquid storage assembly, and the visual assembly is connected with one end of the connecting shell and comprises a cylinder, a camera shooting unit and a light supplementing unit; the number of the light supplementing units is multiple, and the multiple light supplementing units are arranged on the camera shooting unit in a surrounding mode. The nursing assembly comprises a cleaning unit used for cleaning the cavity, and the cleaning unit is arranged close to the visual assembly; the liquid storage assembly is arranged at the end, away from the visual assembly, of the connecting shell, the liquid storage assembly communicates with the nursing assembly, and the liquid storage assembly is detachably connected with the nursing assembly. Compared with the prior art, the visual ear canal cleaning and nursing instrument can be worn on the head of a user, cleaning and nursing of ear canals are achieved while the two hands are liberated, and the user can adopt different liquid medicine or cleaning liquid according to needs through detachable connection of the liquid storage assembly.

The invention provides a nursing device, a visual ear canal cleaning nursing instrument and an endoscope. The nursing device comprises a visual assembly, a nursing assembly and a pressurizing structure; the visual assembly comprises a barrel, a camera shooting unit and a light supplementing unit used for supplementing light. The cylinder body is of a hollow structure with an opening; the camera shooting unit is arranged close to the opening and is used for shooting so as to observe the condition in the cavity; the light supplementing unit is arranged close to the camera shooting unit; the nursing assembly comprises a cleaning unit used for cleaning the cavity, and the cleaning unit is arranged close to the visual assembly; and the pressurizing structure is used for driving liquid or gas to enter the cavity for nursing through the cleaning unit. Compared with the prior art, the nursing device provided by the invention has the advantages that the visual assembly is adopted for shooting the interior of the cavity, a user can conveniently observe and know the condition in the cavity, and the cleaning unit is adopted for cleaning the cavity, so that the user can observe the condition in the cavity before and after cleaning and master the nursing result.

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.

A communication device for a hearing protection system comprising one or more hearing protection devices. The communication device comprises a processing unit, a memory, and an interface. The interface comprises a first hearing protection device interface comprising a first connector for connection of a hearing protection device. The interface comprises a second hearing protection device interface comprising a second connector for connection of a hearing protection device. The first connector and the second connector are of the same connector type.

Passive noise reduction components provide reduction of at least 20 dB to 30 dB in dogs using flexible soft muffs that are housed in a hearing protection sleeve. Active noise cancellation (ANC) features may also be used to increase noise reduction to about 40 dB over a large frequency range. The devices may employ passive noise reduction electronic bypass to measure and playback sounds at safe levels bypassing at least one of ANC and passive noise reduction. Communication components may be employed for communication between the handler and the animal. The systems and methods may be used to protect the hearing and utility of military working dogs and hunting dogs.

The invention relates to the technical field of medical instruments, in particular to an ear moxibustion instrument and an assembling device of the ear moxibustion instrument, the assembling device comprises an assembling table, a clamping base and two sets of supporting frames are arranged on the assembling table, and the assembling device of the ear moxibustion instrument further comprises an opening mechanism and a positioning mechanism; the opening mechanism comprises a mounting frame, a circular hole vertically opposite to the clamping base is formed in the mounting frame, a plurality of opening claws are slidably assembled on the mounting frame in the radial direction of the circular hole, wedge-shaped plates are arranged on the sides, away from the center of the circular hole, of the opening claws, and the wedge-shaped plates are obliquely arranged from top to bottom and back to the center of the circular hole. The positioning mechanism is used for limiting the downward moving positions of the distraction claws, the bottoms of the wedge-shaped plates are horizontally opposite to the annular grooves of the silica gel earmuffs, and when the distraction claws are far away from each other, the wedge-shaped plates of the distraction claws push the parts, located above the annular grooves, in the silica gel earmuffs to be turned outwards; and the clamping shell is assembled below the mounting frame in a floating mode through an elastic connecting piece and is provided with a clamping cavity, and the clamping device has the advantage that the assembling efficiency is improved.

The invention belongs to the field of audio signal processing, provides a sound noise reduction processing method and system based on noise reduction earmuff environment sound monitoring, and aims to solve the problem of low sound noise reduction effectiveness of a noise reduction earmuff in the prior art. The method comprises the steps of acquiring a sound signal corresponding to a surrounding environment, determining a corresponding preset two-stage noise reduction model which comprises a preset first-stage noise reduction model and a preset second-stage noise reduction model, monitoring the environment sound of the surrounding environment, and when the sound signal corresponding to the environment sound is monitored, performing noise reduction on the basis of the preset first-stage noise reduction model. Performing first noise reduction processing on the sound signal to obtain a preliminary noise reduction sound signal, and performing second noise reduction processing on the preliminary noise reduction sound signal based on a preset second-level noise reduction model to obtain a target noise reduction sound signal under the condition that the preliminary noise reduction sound signal is not empty, the noise reduction effectiveness and accuracy in different environments can be improved.

A communication device (4, 4A) for a hearing protection system (3, 3A) comprising one or more hearing protection devices (2A, 2B). The communication device comprises a processing unit, a memory, and an interface. The interface comprises a first hearing protection device interface (40A) comprising a first connector (40C) for connection of a hearing protection device. The interface (20) comprises a second hearing protection device interface (40B) comprising a second connector (40C) for connection of a hearing protection device. The first connector and the second connector are of the same connector type.

A pair of noise reduction components are configured to fit over and / or at least partially inside respective ears of a user of the headgear. The pair of noise reduction components may be coupled to a first strap. The first strap is configured to retain the pair of noise-reduction components in contact with the ears of the user. Each noise reduction component of the pair of noise reduction components includes a laminated structure that includes at least one sound-reflecting layer, and at least one sound-absorbing layer that is arranged to be closer to the ear of the user than the at least one sound-reflecting layer.

An article of a personal protective equipment includes at least one microphone, a memory, and a processor communicably coupled to each of the at least one microphone and the memory. The at least one microphone is configured to generate one or more audio streams. The memory is configured to store a threshold score. The processor is configured to: receive the one or more audio streams; determine a score for the one or more audio streams based on one or more evaluation parameters; compare the score with the threshold score stored in the memory; and mute the at least one microphone when the score of the one or more audio streams crosses the threshold score.

An acoustic aural development system. A medical device is worn by an infant while the infant is in a neonatal intensive care unit (NICU) and is in communication with an acoustic processing station. The device and station protect the child's hearing by active acoustic filtering, while, at the same time, provides aural stimulation for development. Acoustic filtering is done at the acoustic processing station to reduce power and electronics required by the wearable medical device.

The application relates to the technical field of industrial earmuffs, and provides an industrial noise reduction earmuff with working condition self-adaptive adjustment, which comprises a supporting block arranged on a safety cap shell, an adjusting unit arranged on the outer surface of the supporting block and used for adjusting the sealing effect of the earmuff and the human body, an earmuff shell fixedly connected to the bottom of the adjusting unit, a decibel detector fixedly connected to the outer side of the earmuff shell, a detection ring connected to the decibel detector through an electric wire, sound-absorbing cotton placed in the interlayer of the earmuff shell, and an air inflation air bag fixedly connected to the inner side of the earmuff shell; a first adjusting unit and a second adjusting unit arranged on the inner wall of the earmuff shell; the sound-absorbing cotton can absorb part of the noise from the outside, and the detection ring can detect the size of the external noise so as to drive the adjusting unit, the first adjusting unit and the second adjusting unit to work, and the noise reduction effect is self-adjusted according to the actual working condition.

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.

Disclosed is an annular ear cushion (100, 100') for an earphone (210, 210') configured to be worn at an ear of a user. The ear cushion (100, 100') is configured to abut the head of the user along an annular contact surface (110, 110') of the ear cushion (100, 100') and to abut or face a housing (220, 220') of the earphone (210, 210') along an annular attachment surface (120) of the ear cushion (100, 100') when the user is wearing the earphone (210, 210') in its intended position, thereby reducing the level of sound entering the ear canal of the user from the environment. The ear cushion (100, 100') further comprising an annular exterior surface (130, 130') and an annular interior surface (140) each extending from the contact surface (110, 110') to the attachment surface (120) and facing respectively the environment and the ear canal of the user when the user is wearing the earphone (210, 210') in its intended position. The ear cushion (100, 100') further comprising a foam core (150) having a first acoustic impedance, and a cover (160) having a first portion (162) extending across the exterior surface (130, 130') and a second portion (164) extending across the contact surface (110, 110'). The first portion (162) of the cover (160) has a second acoustic impedance that is greater than the first acoustic impedance, wherein that at least one first subportion (166) of the second portion (164) of the cover (160) has a third acoustic impedance that is smaller than the second acoustic impedance.

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.

The invention relates to the field of otology hearing examination, and discloses an otology hearing examination device which comprises a head band, earmuffs, a wireless transmission module, a control module, a first groove, a second groove, a blocking block, a movable rod, an annular plate, a second annular groove, a sliding groove, a third sliding rod and a retaining wall. The two earmuffs provided by the invention not only can block the ears, but also can open the ears, and the two earmuffs can be automatically and alternately opened; meanwhile, when a doctor makes a sound, a patient can be prompted that the sound is made, so that the situation that the feedback speed of the patient when the patient hears the sound is reduced due to distraction or loss of endurance of the patient without feedback can be avoided; besides, when the patient does not hear the sound, the condition can be fed back to the doctor and the detection system in a tilting mode, and when the patient hears the sound, the condition can be fed back to the doctor and the detection system in a nodding mode, so that the interactivity between the doctor and the patient is improved, the attention of the patient can be concentrated for a long time, and the hearing detection efficiency is improved.

The present invention relates to the field of otological hearing examinations, and discloses an otological hearing examination device, which includes a headband, earcups, a wireless transmission module, a control module, a first groove, a second groove, a plug, a movable rod, an annular plate, a second annular groove, a sliding groove, a third sliding rod and a retaining wall. The two earcups of the present invention can both block the ears and open the ears, and the two earcups can be automatically opened alternately; at the same time, when the doctor makes a sound, the patient can be prompted that the sound has been made, which can prevent the patient from being distracted or losing patience due to the lack of feedback for a long time, and reduce the feedback speed when the patient hears the sound; in addition, when the patient does not hear the sound, the patient can tilt the head to give feedback to the doctor and the detection system, and when the patient hears the sound, the patient can nod to give feedback to the doctor and the detection system, which not only improves the interaction between the doctor and the patient, can concentrate the patient's attention for a long time, but also improves the efficiency of hearing detection.