Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 5717771 | Programmable hearing aid means worn in the auditory canal For data exchange with a programmable hearing aid worn in the auditory canal, an electrical line is provided that contains leads in electrical contact with a circuit in the hearing aid and which is mechanically attached to the hearing aid so as to serve a... | 02/10/1998 |
| 5712918 | Press-fit ear wax barrier An ear wax barrier for an in-the-ear or in-the-canal type hearing aid device positioned at least in part between a receiver output port and a shell acoustic output port includes a substantially cylindrical housing having a barbed portion for press-fitting... | 01/27/1998 |
| 5708721 | Coil assemblies This invention relates to coil assemblies and in particular, but not exclusively, to such assemblies for acoustic transducers. Thus a transducer 10 includes a case 11 in which is located a coil 16 mounted on a flexi-circuit, which locates the coil 16 for ... | 01/13/1998 |
| 5708720 | Hearing aid to be worn at the head In order to improve the immunity of a hearing aid to interference caused by the penetration of high-frequency electromagnetic waves via seams and openings of the hearing aid housing, the housing is composed of at least two electrically conductive parts th... | 01/13/1998 |
| 5701348 | Articulated hearing device A hearing device having highly articulated, non-contiguous parts and adapted for placement within the ear canal includes a receiver module for delivering acoustic signals within close proximity to the tympanic membrane, a main module containing all hearin... | 12/23/1997 |
| 5659156 | Earmolds for two-way communications devices Earmolds for holding communications devices within the ear in a secure and comfortable manner. The earmolds are designed to minimize protrusion into the ear canal, while providing security by extending the helix of the earmold to fit under the crux of the... | 08/19/1997 |
| 5659621 | Magnetically controllable hearing aid An apparatus for controlling an adjustable operational parameter of a hearing aid by the use of an external magnetic actuator held in proximity with the hearing aid. The hearing aid has a microphone for generating signals, hearing aid circuitry for proces... | 08/19/1997 |
| 5640457 | Electromagnetically shielded hearing aid A behind the ear, in the ear, all in the ear, in the canal, or completely in the canal hearing aid which is made resistant to electromagnetic interference produced by cellular telephones in the 800 MHz to 1000 MHz frequency range. The resultant hearing ai... | 06/17/1997 |
| 5627521 | Personal microwave and radio frequency detector A self-contained personal microwave and RF detector, which includes, inter alia, the housing and associated electronics of a standard hearing aid, is configured to produce an audible indication to a wearer thereof in response to electromagnetic fields of ... | 05/06/1997 |
| 5623550 | Battery power supply circuit which supplies correct power polarity irrespective of battery orientation A power supply circuit is set forth which overcomes the problems associated with incorrect battery insertion. The power supply circuit includes first and second battery terminals for electrical connection to the battery. The first and second battery termi... | 04/22/1997 |
| 5610988 | Hearing aid set A wireless hearing aid set consists of a hearing aid and a controller. The hearing aid comprises a microphone, a loudspeaker unit, a variable-gain circuit, a control circuit and a signal receiving unit. The microphone picks up ambient sound waves. The var... | 03/11/1997 |
| 5610989 | Coil assemblies This invention relates to coil assemblies and in particular, but not exclusively, to such assemblies for acoustic transducers. Thus a transducer 10 includes a case 11 in which is located a coil 16 mounted on a flexi-circuit, which locates the coil 16 for ... | 03/11/1997 |
| 5610494 | Device for recharging the storage battery of an intra-auricular prosthesis, and method for manufacturing same A device for recharging the storage battery of an intra-auricular auditory prosthesis has a recess capable of receiving the prosthesis. The recess corresponds to the external shape of the prosthesis and has two conducting terminals that project from the w... | 03/11/1997 |
| 5588064 | Hearing aid battery cover switch A hearing aid battery cover switch for a hearing aid, having a shorting contact mounted to the battery cover for actuation of various modes of a hearing aid by a user. A contact member is positioned to be engaged by the shorting contact when the contact i... | 12/24/1996 |
| 5572594 | Ear canal device holder An ear canal device holder for devices other than speaker/microphone amplification systems that am to be inserted into the canal of the human ear. The device holder is made of a flexible silicone material comprising a body and structural support element(s... | 11/05/1996 |
| 5554096 | Implantable electromagnetic hearing transducer An electromagnetic transducer for improving hearing in a hearing impaired person comprises a magnet assembly and a coil secured inside a housing which is fixed to an ossicle of a middle ear. The coil is more rigidly secured to the housing than the magnet.... | 09/10/1996 |
| 5535282 | In-the-ear hearing aid An in-the-ear hearing aid is formed by an ogival body (1) which is meant to be removably inserted into the acoustic meatus of the external ear, and inside the ogival body (1) there being accommodated a microphone (2) communicating (3) with the external en... | 07/09/1996 |
| 5530763 | Hearing aid to be worn in the ear and method for its manufacture A hearing aid has a skeleton, with an outer support element (3), an inner support element (4) and a connecting element (5), on which are arranged at least part of the electronic components (41, 42) of the hearing aid. The two support elements essentially ... | 06/25/1996 |
| 5485521 | Audio mirror speaker In an audio mirror speaker, an uneven area is formed on a planar mirror surface and a directivity distribution is controlled by changing a relative position of a diaphragm facing the mirror surface and the mirror. The directivity distribution of such a sp... | 01/16/1996 |
| 5460593 | Method and apparatus for imparting low amplitude vibrations to bone and similar hard tissue Vibrations for application to hard living tissue, such as bones, teeth, etc., are derived from a magnetostrictive element disposed in a varying electromagnetic field to create dimensional variations in the magnetostrictive element. In an audiodontic vibra... | 10/24/1995 |
| 5430801 | Hearing aid A hearing aid including a microphone fitted through a small hole in the conchal bowl of the user to receive sound impinging the anterior side of the pinna, an electronics package worn behind the pinna that receives the sound from the microphone, and a sou... | 07/04/1995 |
| 5420930 | Hearing aid device A device is designed to provide persons with mild, moderate, severe, or profound hearing loss the ability to hear sound that would otherwise be inaudible as well as the ability to hear ambient environmental noise. The device is fabricated as: (1) a receiv... | 05/30/1995 |
| 5404408 | Miniature hearing aid to be worn on the head, and a method for the manufacture thereof A miniature hearing aid to be worn at the head together with a corresponding manufacturing method are particularly proposed, this hearing aid being distinguished by a miniaturized amplifier unit that is simple to manufacture. A highly shrinkable glue and/... | 04/04/1995 |
| 5404407 | Programmable hearing aid unit A programmable hearing aid is provided with a programming socket. A space-saving arrangement of switch elements is provided wherein a switch element for switching the hearing aid on/off, an MTO switch, a volume control, a tone control, a situation switch ... | 04/04/1995 |
| 5390254 | Hearing apparatus A hearing aid is configured and dimensioned so as to be inserted past the cartilaginous part of the external auditory canal (external acoustic meatus) and into the bony part of the external auditory canal. The outer portion of the hearing aid fits snugly ... | 02/14/1995 |
| 5386476 | Locking device for a hearing aid battery chamber A device for a battery chamber (2) in a hearing aid (1) with replaceable battery (3) comprises a locking device for blocking the battery chamber. The locking device comprises a displaceable pin, which can be maneuvered through an opening (7) in the batter... | 01/31/1995 |
| 5365593 | Decorative and operative hearing aid attachment The present invention relates to a decorative and operative attachment for hearing aids that have a volume control. The attachment comprises a decorative element that is sized to conceal the hearing aid from view and an attaching device for attaching the ... | 11/15/1994 |
| 5357576 | In the canal hearing aid with protruding shell portion An in-the-canal hearing aid has a shell having an inner end to be positioned in the canal adjacent the user's eardrum, and a faceplate located outwardly of the inner end but still adapted to be recessed within the ear canal in use. A protruding portion of... | 10/18/1994 |
| 5327500 | Cerumen barrier for custom in the ear type hearing intruments A cerumen barrier for a custom, in the ear type hearing instrument which consists, in combination, of a sound outlet base and a barrier door which prevents ear wax from reaching and damaging the internal components of a hearing instrument, particularly th... | 07/05/1994 |
| 5327499 | Safety device for a hearing aid A device for preventing the loss of a hearing aid, which includes a chain, a device for attaching one end of the chain to the hearing aid, and a device for attaching the other end of the chain to an earring or other device worn by the wearer of the hearin... | 07/05/1994 |
| 5321757 | Hearing aid and method for preparing same A method is disclosed for forming a hearing aid by the in situ molding of a room temperature curing material about hearing aid components. The in situ molding of the custom hearing aid provides an acoustical and comfort fit and minimizes processing involv... | 06/14/1994 |
| 5319717 | Hearing aid microphone with modified high-frequency response A microphone for a hearing aid having a modified high frequency response is disclosed. The hearing aid comprises a hollow housing having an upper wall, a lower wall and a depending wall disposed between the upper wall and the lower wall. The upper, lower ... | 06/07/1994 |
| 5295193 | Device for picking up bone-conducted sound in external auditory meatus and communication device using the same A device for picking up bone-conducted sound in the external auditory meatus includes a fitting portion for accommodation in a navicular cavity formed between a tragus cartilage portion and an entrance portion of an external auditory meatus, and a bone co... | 03/15/1994 |
| 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 wall of the ear canal nearest the back of the head, where ... | 01/25/1994 |
| 5267321 | Active sound absorber The Active Sound Absorber of the invention is based on an electroacoustical transceiver defined as a bilateral electroacoustical transducer acting as both a diaphragm actuator and motion sensor, and an associated mutual inductance discriminator, in a elec... | 11/30/1993 |
| 5263090 | Hearing aid filter apparatus An apparatus to effect coverage of a hearing aid housing received within a cavity of the sock housing to effect filtration of various airborne contaminants. A modification of the invention includes hair filaments arranged and mounted to the sock structure... | 11/16/1993 |
| 5249234 | Cover for behind-the-ear type hearing aids and methods of making and using the same A cover for BTE (behind-the-ear) hearing aids includes a hollow latex body configured similar to, but slightly smaller than, an arcuate BTE hearing aid. The cover possesses a larger quadrilateral closed end and a smaller open end. Opposite arcuate planar ... | 09/28/1993 |
| 5228089 | Hearing aid A hearing aid is disclosed in which the outside sound collected by a microphone is amplified and radiated from the earphone unit so as to be conducted to the user's external auditory meatus. The auditory tube is of an inside diameter approximately equal t... | 07/13/1993 |
| 5210804 | Solar powered hearing aid and reenergizer case In-the-ear type hearing aid has a rechargeable storage cell permanently connected and permanently situated within its shell, and a solar cell carried on its back plate and facing outward. The solar cell provides power to energize the hearing aid amplifier... | 05/11/1993 |
| 5201008 | Modular hearing aid with lid hinged to faceplate A modular hearing aid to fit in the user's ear, having a shell, a faceplate fixed to the shell, and an electronic module removably snapped into the faceplate. The module includes an open-topped battery compartment which is closed by a lid hinged to the fa... | 04/06/1993 |
