Matches 101 - 150 out of 236 < 1 2 3 4 5 >
Match Document Document Title
5581821 Reelable ear plugs for construction helmets  
A construction helmet is disclosed having a housing detachably mounted thereon which supports a ratcheted take-up reel having a pair of ear plugs attached to a hub by flexible cords wound about the...
5557077 Hearing-protector plug  
Hearing-protector plug made of plug material in which there is distributed a detectable material in powder form, particularly iron powder. If lost, such as in the food industry, the plug can be...
5483027 Earplug with form-fitting fluid chambers  
A bi-directionally insertable elastomeric ear plug for sealing an ear canal has an outer body defining two identical expansible and collapsible fluid chambers. A fluid, preferably air, is sealed...
5449865 Ear tips having molded-in recesses for attachment to a stethoscope  
A stethoscope having a binaural with dual sound-transmitting tubes adapted to deliver sound to a human ear, with each tube having an ear tip connection end having a plurality of flanges thereon....
5440082 Method of manufacturing an in-the-ear hearing aid, auxiliary tool for use in the method, and ear mould and hearing aid manufactured in accordance with the method  
In a method of manufacturing an in-the-ear hearing aid (25), a mould (23) is made of an ear canal for use as a moulding die for making a housing of the hearing aid. After the mould is made an...
5401920 Cerumen filter for hearing aids  
A readily installed and replaced disposable wax guard that is affixed over the sound outlet port of an "in the ear" hearing aid and adhered to the adjacent sides of the aid. The portion that...
5332871 Sliding valve ear plug  
A one of a pair earplug that has a hole through the center of it. When it is placed into a person's ear canal it enables them to hear sound from an outside source. It would be made from a material...
5319163 Waterproof earmold-to-earphone adapter  
A waterproof earmold-to-earphone adapter is provided for use in conjunction with an earmold. The earmold has a passageway extending transversely therethrough to allow sound to pass through the...
5298692 Earpiece for insertion in an ear canal, and an earphone, microphone, and earphone/microphone combination comprising the same  
An earpiece for insertion in an ear canal as a part of an earphone, an ear mounted microphone, an earphone/microphone combination or the like. The earpiece comprises a body part suitable for...
5298691 Soiling resistant banded earplug  
A band earplug apparatus is described, of the type which includes a pair of earplug devices (20, 22) lying on the ends of a band (12) that fits halfway about a person's head, which avoids soiling...
5293008 Earwax trap for use with hearing-aid apparatus, and hearing-aid apparatus with such a trap  
A earwax trap used with hearing-aid apparatus comprises a) in a first part (6) a space (8) adapted to communicate acoustically an interior part of the hearing-aid apparatus with the external...
5288953 Compressible stethoscope ear tip  
An ear tip for use on stethoscopes, audio head sets and similar apparatus is shown having a relatively rigid inner body and an outer flexible soft body that can compress to accommodate outer ear...
5282253 Bone conduction microphone mount  
A bone conduction microphone which fits into the ear of the user and which has means which abuts against the pinna of the ear causing a counteracting force to resiliently push the device against a...
5278360 Hearing aid wax guard with integral bridge  
A wax guard system, for use with an in-the-ear hearing aid, has a housing secured to the hearing aid shell and an insert which screws into the housing. The insert has a body having an internal...
5222050 Water-resistant transducer housing with hydrophobic vent  
An immersion-resistant housing adapted to receive a vibratable diaphragm spanning the interior of the housing to divide the housing into first and second chambers includes a first port...
5201007 Apparatus and method for conveying amplified sound to ear  
An earmold and a method of manufacturing an earmold for a hearing aid that conveys amplified sound from the hearing aid into the ear canal to a closed cavity adjacent the tympanic membrane. The...
5195139 Hearing aid  
A hearing aid in which selected frequency components of sound being vented from the ear canal of the user of the hearing aid to eliminate the "occlusion effect" are conducted to an acoustically...
5166659 Hearing aid with cerumen collection cavity  
An improved hearing aid that reduces occlusion caused by the accumulation of ear wax includes a hearing aid body, an amplifier disposed within the hearing aid body, and an ear canal body adapted...
5153387 Layered earplug  
A novel earplug comprising a stack of thin flexible plastic discs bonded together about a central hole and loose at the edges is formed with a central core or plug forming a nose or bumper and a...
5146051 Housing shell for an in-the-ear hearing aid  
A positive ear mold is processed to the desired size, equipped with a core in the proximal region, dipped in wax and placed in a container in which casting material for a negative form is filled....
5113967 Audibility earplug  
An earplug uses damping to render unimportant a Helmholtz resonance between the acoustic mass intrinsic to a sound channel thereof and the compliance of air in the earcanal, in combination with a...
5105904 Cerumen trap for hearing aids  
A cerumen trap for hearing aids comprises a sound channel and a plurality of perforations arranged in a stellate pattern around the sound channel which connect the sound outlet of an earpiece with...
5099947 Wax guard for hearing aids  
Hearing aids, particularly hearing aids of the type embodying an ear-fitted housing having an interior receiver at the receiver tube leading from the interior receiver to the exterior of the...
5074375 Hearing protection system assembly  
A hearing protection system includes a pair of assemblies each composed of an ear plug, ear plug retainer, and attachment member. The ear plug is a plastic foam body resiliently compressible for...
5073947 Hearing device for a protective helmet  
The invention concerns a hearing device for a protective helmet with a receiving deice for auditory signals, that at the very least are deliverable from the earphones arranged on the inner surface...
5068902 Method and apparatus for reducing acoustical distortion  
A method and apparatus for reducing distortion of an acoustical waveform by locating a plurality of microspheres to interact with interfering acoustical waveforms are described.
5046580 Ear plug assembly for hearing aid  
An ear plug assembly (28) for behind the ear hearing aids. The ear plug assembly (28) comprises a hollow substantially conical shell (32) having two annular ridges (42, 44) in its smaller open end...
5048092 Electroacoustic transducer apparatus  
An electroacoustic transducer apparatus of a type that it is inserted into a cavum concha upon use. The electroacoustic transducer apparatus of the invention is applied to a headphone of a...
5044463 Molded foam earplug and method for making same  
A bullet-shaped molded foam earplug is provided with a cavity extending from the flanged base axially into the earplug. The cavity provides the earplug a lower equilibrium pressure making the...
5002151 Ear piece having disposable, compressible polymeric foam sleeve  
Disposably attached to the ear piece of a hearing aid, which includes any sound transmission device, is a user-disposable sleeve comprising soft polymeric retarded recovery foam that can be...
4981194 Electro-acoustic transducer  
An electro-acoustic transducer includes a housing enclosing an electro-acoustic transducer device and having an opening by which the diaphragm side of the transducer device is exposed to the...
4977976 Connector for hearing air earmold  
The present invention proves an elbow shaped connector for connecting flexible sound conduction tubing from a hearing aid to a conventional earmold. The sound bore of the connector has an...
4975967 Earplug for noise protected communication between the user of the earplug and surroundings  
The earplug inserted in the auditory canal is so designed that its inside end facing the tympanic membrane makes close contact with the surrounding hard bone structure, and its external end at the...
4969534 Hearing aid employing a viscoelastic material to adhere components to the casing  
The casing of a hearing aid can be acoustically dampened and its receiver is less likely to amplify noise stemming from vibrations of the casing when the casing is lined with a viscoelastic...
4953215 Arrangement to prevent the intrusion of foreign matter into an electro-acoustical transducer  
In an arrangement to prevent the intrusion of foreign matter into a transducer which extends with a projection provided with an opening into a sound channel of a hearing aid, a reduced need for...
4945569 Hearing aid  
An earwax-protective device having a yoke joined with an auditory passage portion of a hearing aid which makes it possible to easily remove accumulations of earwax without damaging sensitive...
4937876 In-the-ear hearing aid  
An in-the-ear hearing aid comprises a first unit (1), which unit comprises a microphone (3), an amplifier (4), controller (6) for adjusting a parameter of the hearing aid, and a battery compartment...
4936411 Detectable earplug  
A molded detectable earplug assembly includes a pair of earplugs into which a metal, magnetic or X-ray detectable insert is provided. Preferably the earplugs are in pairs connected by a cord. The...
4913259 Compressible ear tip  
An ear tip for use with a stethoscope, audio headset or like device, the ear tip being of a construction and design that provides substantial deformation of the ear tip under normal stethoscope...
4881616 Hearing aid retention apparatus  
In a hearing aid of the type including a battery containing housing normally supported rearwardly of the ear auricle by an elongated hook joining one end of the housing to an ear opening contained...
4880076 Hearing aid ear piece having disposable compressible polymeric foam sleeve  
Detachably secured to the ear piece of a hearing aid is a user-disposable sleeve comprising soft polymeric retarded recovery foam that can be compressed to be freely insertable into a person's ear...
4878560 Earmold  
An integrally formed earmold is provided which supports a headset or stethoscope, for example, without requiring either a headband or arms extending into the ear canal. The earmold is formed from a...
4871502 Method for manufacturing an otoplastic  
A method and apparatus for manufacturing an otoplastic. An otoplastic is manufactured directly in the ear of a hearing-impaired person in that a deformable envelope is pulled over a die or over a...
4870689 Ear wax barrier for a hearing aid  
An ear wax barrier for a hearing aid to prevent ear wax from contacting and damaging the internal components of a hearing aid or hearing aid receiver. The barrier includes a housing defining a...
4869339 Harness for suppression of hearing aid feedback  
A generally tubular cylinder of resilient material such as a silicon rubber, for mounting over a hearing aid, or ear plug, so as to provide two gaskets which seal the hearing aid, or ear plug,...
4867267 Hearing aid transducer  
This invention is concerned with a hearing aid including a microphone, an adjustable amplifier, and an acoustic transducer positioned within a first, large acoustic chamber defined by an in-the-ear...
4864610 Earpiece for a telephone headset  
An earpiece for use with a post-auricle communication headset is disclosed. The headset includes a capsule to which a microphone boom and the earpiece are affixed. The earpiece is composed of a...
4854415 Hearing aid whose components are mounted in a hearing aid housing  
The component parts of a hearing aid are releasably inserted into the inside of mounts to be secured in the interior of the hearing aid housing. The mounts are provided at their inside with an...
4852683 Earplug with improved audibility  
An earplug uses damping to render unimportant a Helmholtz resonance between the acoustic mass intrinsic to a sound channel thereof and the compliance of air in the earcanal unimportant, in...
4852177 High fidelity earphone and hearing aid  
A high fidelity earphone or hearing aid utilizes an acoustic path from a location near where the sound is delivered to the ear, to a location near the backside of the sound-producing diaphragm. A...
Matches 101 - 150 out of 236 < 1 2 3 4 5 >