Hearing aid for people having asymmetric hearing loss

• US 10,484,802 B2
• Filed: 09/17/2016
• Issued: 11/19/2019
• Est. Priority Date: 09/17/2015
• Status: Active Grant

• Current Assignee: Ear Tech, LLC
• Original Assignee: Domestic Legacy Limited Partnership
• Inventors: Fritsch, Michael H
• Primary Examiner(s): Ni, Suhan
• Application Number:
  US15/268,555
• Publication Number:
  US 20170085998A1
• Time in Patent Office: 1,158 Days
• Field of Search: 381312-313, 381315-317
• CPC Class Codes: H04R 2225/53 Hearing aid for unilateral hearing impairment using Contralateral Routing Of Signals [CROS]
• CPC Class Codes: H04R 2430/01 Aspects of volume control, not necessarily automatic, in sound systems
• CPC Class Codes: H04R 2460/13 Hearing devices using bone conduction transducers
• CPC Class Codes: H04R 25/353 Frequency, e.g. frequency shift or compression
• CPC Class Codes: H04R 25/40 Arrangements for obtaining a desired directivity characteristic
• CPC Class Codes: H04R 25/407 Circuits for combining signals of a plurality of transducers
• CPC Class Codes: H04R 25/505 using digital signal processing
• CPC Class Codes: H04R 25/552 Binaural
• CPC Class Codes: H04R 25/554 using a wireless connection, e.g. between microphone and amplifier or using Tcoils

Abstract

The hearing aid apparatus includes a first hearing aid member and a second hearing aid member. The first hearing aid member is placeable on a patient'"'"'s body, and includes a first transducer for receiving sounds that would be received by the patient'"'"'s first ear and converting these received sounds into first transmittable signals. The second hearing aid is placeable on a patient'"'"'s body adjacent to the patient'"'"'s second ear, and includes a receiver for receiving the first transmittable electrical signals and a second transducer for converting the first transmittable electrical signals into sound signals configured for delivery to the patient'"'"'s second ear.

Claims

1. A hearing aid apparatus for use with a patient having a first ear and a first body side on which the first ear is disposed, and a second ear and a second body side on which the second ear is disposed, wherein the first has a hearing loss sufficiently profound that a normal approximately symmetric hearing condition is incapable of being substantially restored with an amplification adjusted hearing aid, the hearing aid apparatus being configured for enabling the patient to hear sounds that original from a plurality of directions, the hearing aid apparatus comprising:

a first hearing aid member placeable on a patient'"'"'s body on the same side of the patient'"'"'s body as the first ear, the first hearing aid member including a first transducer for receiving sounds that would be received by the patient'"'"'s first ear and converting those received sounds into first transmittable electrical signals,

a second hearing aid member placeable on the patient'"'"'s second body side, the second hearing aid member including a second transducer for receiving sounds that would be received by the patient'"'"'s second ear, and converting the received sounds into second electrical signals, a receiver for receiving the first transmittable electrical signals, and a first signal processor for processing the second electrical signals and first transmittable electrical signals into signals configured for being received by the patient'"'"'s second ear for facilitating the hearing of sounds that would be received by both of the patient'"'"'s first and second ears, wherein the only hearable sound signals received by the patient'"'"'s ear are generated through the second hearing aid member, and further comprising a signal alteration processor for altering one of the first transmittable electrical signal and second electrical signal so that the patient can hear differences between sounds received by the first hearing aid member and sounds received by the second hearing aid member to permit the patient to distinguish between sounds received by the first hearing aid member and sounds received by the second hearing aid member to aid the patient, in achieving a sense of the direction of origin of the sounds being output into the second ear.

2. The hearing aid apparatus of claim 1 further comprising a second signal processor, the second signal processor including the signal alteration processor, the second signal processor being configured for processing at least one of the first transmittable electrical signal and, second electrical signal to have distinguishably different sound characteristics when converted from electrical signals to sound signals.

3. The hearing aid apparatus of claim 2 wherein the signal alteration processor is contained on at least one of the first and second hearing aid members, and wherein the second signal processor processes the at least one of the first transmittable electrical signal and, second electrical signal to alter the signal by at least one of changing its pitch, inducing an echo, delaying the signal, filtering the signal, adding a chorus effect, attenuating different frequency bands, resonating the signal, adding an artifact to the signal, changing the strength of the signal to alter its volume and modulating the signal.

4. The hearing aid apparatus of claim 3 wherein the artifact includes at least one of a vibration, a humming sound, and an added tone.

5. The hearing, aid apparatus of claim 1, wherein the signal alteration processor is included in the first signal processor.

6. The hearing aid apparatus of claim 1 where the signal alteration processor is configured for altering both of the first transmittable electrical signal and second electrical signal.

7. The hearing aid apparatus of claim 6, wherein both of the first transmittable electrical signal and second electrical signal are altered by the signal alteration processor by at least one of changing pitch, inducing an echo, delaying the signal, filtering the signal, adding a chorus effect, attenuating one or more frequency bands, resonating the signal, adding an artifact to the signal, changing the strength of the signal to alter its volume, and modulating the signal.

8. The hearing aid apparatus of claim 1, wherein the first hearing aid member includes a wireless transmitter for transmitting the first transmitted electrical signal to the second hearing aid member.

9. The hearing aid apparatus of claim 1, wherein the first hearing aid member includes the first signal processor processing the first transmittable electrical signal for altering characteristics of sound produced by the first transmittable electrical signal.

10. The hearing aid of claim 9 wherein the signal alteration processor of the first signal processor of the first hearing, aid member is configured to process the first transmitted electrical signal to alter the characteristics of the sound by at least one of changing its pitch, inducing an echo, delaying the signal, filtering the signal, adding, a chorus effect, attenuating one or more frequency bands, resonating the signal, changing the strength of the signal to alter its volume, adding an artifact to the, signal and modulating the, signal.

11. A hearing aid apparatus for use with a patient having a first ear and a first body side on which the first ear is disposed, and a second ear and a second body side on which the second ear is disposed, wherein the first ear has a hearing loss sufficiently profound that a normal approximately symmetric hearing condition is incapable of being substantially restored with an amplification adjusted hearing aid and wherein the second ear is capable of hearing sound signals, the hearing aid apparatus configured for enabling the patient to hear sounds that original from a plurality of directions, the hearing apparatus comprising:

a first hearing aid member placeable on a patient'"'"'s body on a patient'"'"'s first body side, the first hearing aid member including a first transducer for receiving sounds that would be received by the, patient'"'"'s first ear and converting those received sounds into first transmittable electric signals

a second hearing aid member placeable on a patient'"'"'s second body side, the second hearing aid member including a second transducer for receiving sounds that would be received by the patient'"'"'s second ear and converting the received sounds into second electrical signals, a receiver for receiving the first transmittable electrical signals, and a first signal processor for processing the first transmittable electrical signals and the second electrical signals into signals configured for being received by the patient'"'"'s second ear for facilitating the hearing of sounds that would be received by both of the patient'"'"'s first and second ears, wherein the first signal processor includes a signal processor for processing one of the first transmittable electrical signal and second electrical signal, and a non0sound producing indicia member in communication with the signal processor configured providing one of a tactile or visual signal to the patient to aid the patient in achieving a sense of direction of origin of the sounds being output into the second car.

12. The hearing aid apparatus of claim 11 wherein the indicia member comprises a first vibratory member positioned on the first body side of the patient, the first vibratory member being configured for emitting a vibratory signal of variable intensity that can be felt by the patient, and a second vibratory member positioned on the second body side of the patient, the second vibratory member being configured for emitting a vibratory signal of variable intensity which can be felt by the patient.

13. The hearing aid apparatus of claim 11 further comprising a sound Intensity controller for comparing the relative volume of sound received on the patient'"'"'s first side with the volume of sound received on the patient'"'"'s second side, and generating a signal to each of the first and second vibratory members for causing the first and second vibratory members to emit vibratory signals that correlate in intensity to the respective volumes of sound received on the patient'"'"'s first and second side.

14. The hearing aid apparatus of claim 12 wherein the indicia member comprises a first light producing member positioned on the same side of the patient as the first ear, the light producing member being configured for emitting a first light signal of variable intensity that can be seen by the patient, and a second light producing member positioned on the same side of the patient as the second ear, the second light providing member being configured for emitting a second light signal of variable intensity that can be seen by the patient.