30 results about "Hearing aid battery" patented technology

A device for extending zinc-air battery life for intermittent use with a battery chamber that allows air to flow to the batteries when needed, a battery chamber to completely seal off air flow to the batteries when the device is off, a tension device that enables stacking of zinc-air hearing aid batteries without cutting off air flow between the batteries, a battery chamber with minimal air volume.

A hearing aid having a battery door seal that substantially reduces or eliminates unwanted air flow from and into a battery compartment is provided. Eliminating unwanted air flow removes a potential source of acoustic feedback and provides significant improvement in frequency response of the hearing aid. The hearing aid includes a battery compartment with sidewalls that have a step joint formed between an opening in a faceplate to the battery compartment and a substantially flat portion of the sidewalls. The battery door has a lip that sets on the step joint when the battery door closes providing an air seal around a substantial portion of the battery compartment. A thin slit is provided between the faceplate and the battery door behind the end of the battery door, where the battery door is connected to the faceplate by a hinge to provide appropriate air flow for proper battery operation.

Squeal in a hearing aid is inhibited by a circuit that monitors battery voltage. In response to sensed low battery voltage, a cutoff circuit disables the hearing aid audio amplifier. Also in response to low battery voltage, a crowbar circuit loads the hearing aid battery with a loading circuit element.

The invention provides a hearing aid comprising a left ear aid, a right ear aid, and a portable terminal. The left ear aid comprises a left microphone, a left receiver, a first wireless transceiver, and a first battery. The right ear aid comprises a right microphone, a right receiver, a second transceiver and a second battery. The portable terminal comprises a third wireless transceiver, a dual-channel digital signal processor and a third battery. The third wireless transceiver receives left and right channel output. Acoustical signals processed by the dual-channel digital signal processor are output from left and right channels by the third transceiver. The digital signal processing part of the hearing aid is moved from the ear aids to the portable terminal, so that load of the batteries of the ear aids is reduced; a high-performance hardware circuit of the portable terminal, a flexible algorithm and more sufficient battery level provide wide functional extension and update space for complex digital signal processing, especially for binaural voice signal processing.

The invention as presently conceived discloses a hand tool that assists in the removal and replacement of hearing aid batteries. The tool has a specially designed tweezer frame to aid in holding and placement of the small batteries. One side of the tweezer tip has a magnet that provides additional capabilities with holding the battery. The opposite side of the tweezer tip consists of a sharp point that aids in positioning or removing batteries from the battery compartment. Although the tool can benefit anyone who wears a hearing aid, it is particularly useful for the elderly.

A hinge assembly for a hearing aid, in particular for a lid of a battery compartment of a hearing aid, the hinge assembly including a first part, a second part and a third part including a shaft. The first part includes a pair for grooves adapted for receiving respective end parts of the shaft, both of the grooves being open at one end generally facing away from the battery compartment. The second part includes a through bore adapted for receiving a middle portion of the shaft between the respective end parts. The hinge assembly further includes a mechanism for closing the grooves at the open ends.

A rechargeable hearing aid including an internal power unit such as a lithium ion battery having a short recharging time and a portable hearing aid charging and protection system for charging it. The charging system includes a protection system to prevent overheating and overcharging of the battery, an interface apparatus such as a Micro-USB connector, an induction charging device, a wireless induction charging device, or other suitable charging system interface apparatus to uniquely couple a charging power source, the charging and protection system and the internal power unit together. Among other features, the charging system communicates with the hearing aid to protect it by automatically turning off the hearing aid power while charging the hearing aid battery, turning the hearing aid power back on when charging is complete, and stepping the normal output voltage of the power unit down to the much lower operating voltage of the hearing aid.

A battery package includes a card, a cover attached to the card, and a tray positioned between the card and the cover. The cover includes a body having an opening and a door with the door movable between an open position to provide access to the opening and a closed position in which the door closes the opening. The tray includes multiple receptacles arranged symmetrically about a central post. The front surface of the central post is spaced apart from the interior surface of the front portion of the cover by a distance. The battery package also includes multiple batteries and multiple tabs. The tray is rotatable to selectively align one of the receptacles with the opening in a battery removal position. With the door in the open position, the tab attached to the battery in the receptacle in the battery removal position is accessible through the opening.

A battery charger (10) for charging a rechargeable battery (45, 46) which is located in a hearing aid (18, 20), the battery charger (10) includes a power supply for supplying a charging current to the rechargeable battery (45, 46), a hearing aid connector for reception and accommodation of the hearing aid (18, 20), the connector having a set of first electrical terminals (36, 38) connected with the power supply and positioned for connection with the rechargeable battery (45, 46) when the hearing aid (18, 20) is positioned in the connector, and an actuator (32, 34) that is adapted for providing access to the battery (45, 46) for connection with the first electrical terminals (36, 38) when the hearing aid (18, 20) is positioned in the connector.

The present invention pertains to a method for charging a rechargeable battery (5) of a hearing aid (1). The proposed method comprises detecting a power supply (8) being connected to the hearing aid (1), estimating a state of charge of the battery (5), selecting one of at least a normal and a fast charging mode in dependence of the estimated state of charge, and charging the battery (5) according to the selected charging mode. Moreover, the present invention provides a hearing aid (1) including a battery charging unit (9) and adapted to support the proposed method.

A battery package includes a card, a cover attached to the card, a tray positioned between the card and the cover, batteries, and tabs. The cover includes an opening and a door. The door is movable between an open position to provide access to the opening and a closed position. The tray includes a plurality of receptacles in which are positioned the batteries. Each tab is removably attached to one of the batteries and is positioned between the cover and the battery. The tray is rotatable relative to the card and the cover about an axis of rotation to selectively align one of the receptacles with the opening in a battery removal position. With the door in the open position, the tab attached to the battery in the receptacle in the battery removal position is accessible through the opening from the front of the cover and the peripheral edge of the cover.

In a hearing aid device and operating method with automatic switching of the hearing aid voltage supply for an external component connected to an audio input of he hearing aid via a single audio voltage supply contact. A load detection device measures the electrical load at the audio input and switches either the unregulated voltage of the hearing aid battery or the regulated voltage of a voltage regulator in a preamplifier of the hearing aid to the audio input dependent on the measured load.

A method for monitoring the supply voltage of a hearing aid comprising at least one electric cell. The method comprising the steps of counting the number of times the supply voltage falls below a predetermined value within a first predetermined time period, and setting an alarm flag if said number of times reaches a predetermined value within said predetermined time period. The method may be implemented using a circuit for monitoring the supply voltage of a hearing aid comprising at least one electric cell. The circuit comprises a first timer timing a first detecting interval, a detector for detecting drops in said supply voltage below a predetermined threshold value, a first counter for counting the number of detections within said detecting interval, and means for setting an alarm flag if said number of times reaches a predetermined value within said first detection interval.

A method for charging a rechargeable battery of a body-worn electronic device includes obtaining, by charging circuitry of a charger, a voltage of the battery prior to charging the battery, the charging circuitry in electrical communication with a power source (e.g., an energy storage device) and the battery and comparing the battery voltage to a voltage threshold. When the battery voltage is less than the voltage threshold, the method also includes applying predetermined current pulses to the battery with power provided from the power source (e.g., energy storage device) to simultaneously charge the battery and power electrical components of the device. The method also includes setting a timer when the battery voltage reaches a predetermined voltage and ceases application of the current pulses to the battery when the timer indicates that a predetermined time has elapsed.

A hearing aid device (100, 100a-b) comprises a shell portion (104) and a battery door module (200, 200a-b) attached to the shell portion. The battery door module comprises a battery casing (221, 221a-b) and an electronics casing (208, 208a-b). The battery casing receives a battery (202) defining a battery axis (LBAT) that extends substantially perpendicular to a longitudinal axis (L) of the battery door module. The electronics casing encloses a voltage regulator (216), a printed circuit board assembly (214), and at least a portion of one or more charging elements (220, 220a). The battery door module also comprises at least one attachment member (204, 206, 206a-b) that allows the battery door module to attach to a shell portion of the hearing aid device. The battery door module is movable relative to the shell portion between an open position and a closed position.

The invention discloses a hearing aid battery drawer with a thin film. The hearing aid according to embodiments of the disclosure comprises a housing having an outer structure and a battery drawer configured to receive a battery and to be inserted into the housing from the outer structure of the housing. In more detail, the battery drawer comprises a cover and a surrounding structure where the surrounding structure is attached to the cover. Furthermore, the surrounding structure is configured to at least partly surround the battery and the surrounding structure is configured as a film member made in a flexible and / or bendable material, wherein the battery drawer is configured to receive the battery in said surrounding structure. In this way, the battery drawer is configured so that said battery drawer upon a user of the hearing aid gripping and pulling or pushing the cover, the battery drawer is configured to be inserted into or taken out from the housing, wherein the direction of insertion of the battery drawer is substantially perpendicular to said surface of said outer structure of said housing.

The present invention relates to an hearing aid (1), which is provided with a housing (7), a battery compartment (6) and a locking mechanism of the battery compartment, wherein the locking mechanism includes a shaft (11) that mounted on the housing or the battery compartment, and a slide (8) with a borehole. The borehole and the shaft constitute conjunction, and that makes the slide movable on theshaft for the sake of locking and locking off the battery compartment inside the housing; wherein the borehole is provided with a circular intersecting surface, and the shaft is provided with a inter secting surface different from circular intersecting surface that has rotating symmetry while rotated at 360 DEG / n, wherein n is an integer larger than 1. the invention also relates to a battery compartment with this locking mechanism for hearing aid. intersecting surface of the shaft is different with borehole of the battery compartment, that makes the shaft can only connect with borehole of the battery compartment in several location. Thereby, on one hand, the slide can be fixed on the shaft enough firmly even if there is manufacturing tolerance, on the other hand, the slide can move on the shaft at smaller resistance force. In an optimized implement form, the shaft is designed as trilobal.

The invention discloses an opening and closing structure of a power supply cabin, which is used for a hearing aid and comprises a power supply cabin. The bin cover is detachably arranged on the power supply bin; the battery is detachably arranged on the bin cover; the composite connecting mechanism comprises a spring, a sliding plate and a connecting block, the sliding plate is slidably arranged on the power supply bin, the spring is arranged on the shell and connected with one end of the sliding plate, the connecting block is hinged to the other end of the sliding plate, and a connecting groove matched with the connecting block is formed in the bin cover. The bin cover is rotated and slid to be installed on the power supply bin. According to the structure, the spring and the sliding plate capable of sliding are arranged to move back and forth, and meanwhile, the connecting block capable of rotating and swinging is arranged, so that the bin cover can be pulled out and turned over to a greater extent when the hearing aid battery is replaced, and the requirements of a user for replacing the hearing aid battery simply, conveniently, stably and easily cleaned are met. The structure design is ingenious, the sliding guide rail plane and rotating shaft characteristics are flexibly applied, operation is convenient, and practicability is high.

The invention relates to a battery, particularly a wirelessly-charged hearing aid battery, and belongs to the technical field of the hearing aid battery. According to the technical scheme provided by the invention, the wirelessly-charged hearing aid battery comprises a battery shell, a coiled core positioned in the battery shell, and a positive tab and a negative tab which are electrically connected with the coiled core; the battery shell is made from an aluminum plastic film; and the positive tab and the negative tab are insulated and isolated from the battery shell through an insulating layer. According to the wirelessly-charged hearing aid battery, the shell main body and the shell cover are matched and sealed to form the battery shell; the shell main body and the shell cover are both made from the aluminum plastic film, so that the flexibly-packaged hearing aid battery is obtained; the positive tab and the negative tab are insulated and isolated from the battery shell through the insulating layer, so that an inductive effect between the tabs and the battery shell is prevented in the wireless charging process; and therefore, the wireless charging requirement of the hearing aid battery is satisfied, the service life of the battery is prolonged, and the battery is safe and reliable.