CA2512794A1 - Systems, devices, and methods of wireless intrabody communication - Google Patents

Systems, devices, and methods of wireless intrabody communication Download PDF

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Publication number
CA2512794A1
CA2512794A1 CA002512794A CA2512794A CA2512794A1 CA 2512794 A1 CA2512794 A1 CA 2512794A1 CA 002512794 A CA002512794 A CA 002512794A CA 2512794 A CA2512794 A CA 2512794A CA 2512794 A1 CA2512794 A1 CA 2512794A1
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CA
Canada
Prior art keywords
electrode
hearing system
system device
person
electrodes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002512794A
Other languages
French (fr)
Other versions
CA2512794C (en
Inventor
Douglas L. Jones
Crista Malick
Xie Qi
Mitesh Parikh
Steven J. Franke
Christopher D. Schmitz
Jeffery B. Larsen
Francois Callias
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sonova Holding AG
University of Illinois
Original Assignee
The Board Of Trustees Of The University Of Illinois
Douglas L. Jones
Crista Malick
Xie Qi
Mitesh Parikh
Steven J. Franke
Christopher D. Schmitz
Jeffery B. Larsen
Francois Callias
Phonak Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by The Board Of Trustees Of The University Of Illinois, Douglas L. Jones, Crista Malick, Xie Qi, Mitesh Parikh, Steven J. Franke, Christopher D. Schmitz, Jeffery B. Larsen, Francois Callias, Phonak Ag filed Critical The Board Of Trustees Of The University Of Illinois
Publication of CA2512794A1 publication Critical patent/CA2512794A1/en
Application granted granted Critical
Publication of CA2512794C publication Critical patent/CA2512794C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/55Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
    • H04R25/552Binaural
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/67Implantable hearing aids or parts thereof not covered by H04R25/606
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/55Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
    • H04R25/558Remote control, e.g. of amplification, frequency
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/60Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/604Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers
    • H04R25/606Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers acting directly on the eardrum, the ossicles or the skull, e.g. mastoid, tooth, maxillary or mandibular bone, or mechanically stimulating the cochlea, e.g. at the oval window

Abstract

A number of ear-worn hearing system devices (30, 130, 230, 440, 540) are provided that each include a pair of electrodes (32, 132, 232, 432, 532) to transmit time varying electrical signals therebetween when coupled with skin of a user's body. The devices each include a housing (41a, 41b, 141), a sound sensor (45, 145), and processing circuitry (48, 148) included within the housing (41a, 41b, 141). The electrodes are coupled to the circuitry and are spaced apart from one another a distance sufficient to provide capacitance between the electrodes (32, 132, 232, 432, 532) below a desired threshold. The electrodes (32, 132, 232, 432, 532) are disposed along the housing for placement on locations of the user's body where coupling is not likely to be disrupted by nominal body movements.

Claims (50)

1. Apparatus, comprising:
a first hearing system device including a housing, circuitry included within the housing, and a pair of electrodes each coupled to the circuitry to communicate information through a person; and wherein the housing defines a lower, hook-shaped contour to fit behind an ear of the person and be placed along the person's skin between a corresponding pinna and cranial region, the electrodes are each positioned along the contour and spaced apart from one another by at least about 10 millimeters to be placed proximate to a corresponding pair of skin regions when the device is mounted behind the ear of the person.
2. The apparatus of claim 1, wherein:
the housing includes a first side opposite a second side and the electrodes each extend to the first side and the second side from the contour; and the electrodes are generally symmetric about a plane intersecting the contour, the device being interchangeable between the right and left ears.
3. The apparatus of claim 1, wherein a first one of the electrodes is located along the device to contact a first one of the skin regions positioned at least as high as an uppermost extreme of the concha and anterior to a second one of the skin regions, the second one of the skin regions is positioned below the uppermost extreme, and a second one of the electrodes is located along the device to contact the second one of the skin regions when the device is mounted behind the ear of the person.
4. The apparatus of claim 1, wherein the electrodes are separated from one another along the contour by at least 15 millimeters.
5. The apparatus of claim 1, wherein one or more of the electrodes are formed along an interior surface of the housing, and one or more corresponding portions of the housing are comprised of a dielectric selected for placement in close proximity to or in contact with the person's skin.
6. The apparatus of claim 1, further comprising another pair of electrodes spaced apart from one another along the housing and a control to select among different active pairings of the electrodes.
7. Apparatus, comprising:
a first hearing system device including an housing shaped to be received in an ear canal of a person, circuitry included within the housing, and a pair of electrodes each electrically coupled to the circuitry; and wherein the housing includes a first side portion positioned opposite a second side portion, a first one of the electrodes is connected to the first side portion to be positioned along a first skin region of the ear canal, a second one of the electrodes is connected to the second side portion of the housing to be positioned along a second skin region of the ear canal opposite the first skin region, and the electrodes and the circuitry are operable to selectively communicate information through the person when the housing is received in the ear canal.
8. The apparatus of claim 7, further comprising a second hearing system device carrying a pair of other electrodes to communicate electrical signals through skin of the person, the second hearing system device including means for communicating with the first hearing system through the other electrodes.
9. The apparatus of claim 8, wherein the second hearing system device is shaped to be received in another ear canal of the person.
10. The apparatus of claim 8, wherein the first hearing system device and the second hearing system device are operable to bidirectionally communicate through the person when the electrodes of the first hearing system device and the other electrodes of the second hearing system device are placed proximate to or in contact with the person's skin.
11. The apparatus of any of claims 7-11, wherein the first one of the electrodes is positioned along the housing to contact the first skin region along a top portion of the ear canal and the second one of the electrodes is positioned along the housing to contact the second skin region along a bottom portion of the ear canal.
12. The apparatus of any of claims 1-10, wherein the electrodes each include a metallic member and a dielectric layer covering at least a portion of the metallic member, the dielectric layer being structured to be positioned between the metallic member and a skin contact site for each of the electrodes.
13. The apparatus of any of claims 1-10, wherein the electrodes are structured to collectively operate as a dipole antenna.
14. The apparatus of any of claims 1-10, further comprising a second hearing system device carrying a pair of electrodes to communicate electrical signals through skin of the person to communicate with the first hearing system device.
15. The apparatus of claim 14, wherein the second hearing system device is an implant operable to receive information from the first hearing system device.
16. The apparatus of claim 14, wherein the second hearing system device is a control device operable to communicate with the first hearing system device.
17. The apparatus of claim 16, further comprising and off-body device effective to selectively communicate with the control device.
18. The apparatus of claim 14, further comprising a third hearing system device effective to communicate with at least one of the first hearing system device and the second hearing system device, the third hearing system device being one of a control device and an implant.
19. The apparatus of claim 18, wherein the third hearing system device is the control device and further comprising an off-body device operable to selectively communicate with the control device.
20. A method, comprising:
providing a first hearing system device including a first electrode and a second electrode;
positioning the first hearing system device in an ear canal of a person in an orientation that places the first electrode along a first skin region of the ear canal and the second electrode along a second skin region, the second skin region being positioned along an opposite side of the ear canal relative to the first skin region; and generating a time varying electric potential between the first electrode and the second electrode while the first hearing system device is in the orientation to transmit information to a second hearing system device through the person.
21. A method, comprising:
providing a first hearing system device including a first electrode spaced apart from a second electrode;
mounting the first hearing system device behind an ear of the user between a pinna and a corresponding cranial region to place the first electrode proximate to a first skin region and the second electrode proximate to a second skin region, the first skin region being positioned above an uppermost extreme of a concha of the ear and anterior to the second skin region, the second skin region being spaced apart from the first skin region and being positioned below the uppermost extreme; and generating a time varying electric potential between the first electrode and the second electrode to transmit information to a second hearing system device through the person.
22. The method of claim 20 or 21, wherein said positioning includes capacitively coupling the first electrode to the first skin region and the second electrode to the second skin region.
23. The method of claim 20 or 21, which includes:
mounting the second hearing system device to another ear of the person, said mounting including placing another pair of electrodes in contact with or proximate to a corresponding pair of skin regions of the person; and bidirectionally communicating between the first hearing system device and the second hearing system device.
24. The method of claim 23, further comprising operating a third hearing system device in contact with the person to communicate with at least one of the first hearing system device and the second hearing system device, the third hearing system device being one of a control device and an implant.
25. The method of claim 24, wherein the third hearing system device is the control device and further comprising communicating between the control device and an off-body device.
26. The method of claim 20 or 21, which includes collectively operating the first electrode and the second electrode as a dipole antenna.
27. A behind-the-ear device comprising: a housing, circuitry included within the housing, and a pair of electrodes each coupled to the circuitry to communicate information through a person; and wherein the housing includes a first side opposite a second side, the first side and second side are connected together by a lower portion defining a hook-shaped contour to fit behind an ear of the person, the electrodes each wrap about a plane intersecting the contour and extend from the contour to the first side and the second side.
28. The device of claim 27, wherein the electrodes are each approximately symmetric about the plane, are spaced apart from one another by at least 10 millimeters along the contour, and collectively operate as a dipole antenna.
29. The device of claim 27 or claim 28, wherein the first electrode and second electrode are each formed along an interior surface of the housing with one or more corresponding portions of the housing being comprised of a dielectric material selected for placement in close proximity to or in contact with the person's skin.
30. The device of claim 27 or claim 28, further comprising a third electrode positioned along the housing and a control to select among different active pairings of the first electrode, the second electrode, and the third electrode.
31. Apparatus, comprising: a hearing system device to be carried with an ear of a person, the hearing system device including a housing member, circuitry, and a pair of electrodes each coupled to the circuitry, one or more of the electrodes being carried within the housing member to position one or more corresponding outer dielectric portions of the housing member between the one or more electrodes and skin of the person to couple the pair of electrodes to the person and operate the pair of electrodes as a dipole antenna to communicate information through the person when the hearing system device is carried with the ear.
32. The apparatus of claim 31, wherein the housing member of the hearing system device is shaped to be placed in an ear canal of the ear.
33. The apparatus of claim 31, wherein the housing member is coupled to a different housing member by a tube, the different housing member being shaped for placement behind the ear.
34. The apparatus of claim 31, wherein at least part of the housing member is shaped to be placed behind the ear of the person and carries the circuitry.
35. The apparatus of any of claims 31-34, further comprising a second hearing system device having another pair of electrodes to communicate with the first hearing system device through the person.
36. The apparatus of claim 35, further comprising a third hearing system device effective to communicate with at least one of the first hearing system device and the second hearing system device, the third hearing system device being one of a control device and an implant.
37. Apparatus, comprising: a first hearing system device including circuitry, a first member shaped to be carried behind the ear of a person, and a second member shaped to be placed in the ear canal of the person, the first member including a first electrode to be placed in close proximity to or in contact with a first skin region including skin on one or more of the pinna, the cranial region, and a juncture of the pinna and the cranial region, and the second member including a second electrode to be placed in close proximately to or in contact with a second skin region along the ear canal, at least one of the first member and the second member carrying the circuitry, the circuitry being coupled to the first electrode and the second electrode to selectively communicate information through the person as the first hearing system device is carried with the ear of the person.
38. The apparatus of claim 37, wherein the first electrode and the second electrode are structured to collectively operate as a dipole antenna.
39. The apparatus of claim 37, wherein the first electrode is positioned within the first member of the first hearing system device and the second electrode is positioned within the second member of the first hearing system device.
40. The apparatus of claim 37, wherein the first member includes a rigid housing and the second member is coupled to the first member by a third member, the third member being flexible to provide for articulation of the second member relative to the first member.
41. The apparatus of claim 40, wherein the third member includes a tube effective to deliver sound emanating from the first member to the second member, the third member carrying an electrical connection to the second electrode.
42. The apparatus of any of claims 37-41, further comprising a second hearing system device shaped to be carried with another ear of the person, the second hearing system device including another pair of electrodes to be positioned along a corresponding pair of skin regions of the person to communicate through the person with the first hearing system device.
43. A method, comprising:
providing a first hearing system device including a first electrode, a second electrode, a third electrode, and circuitry coupled to each of the first electrode, the second electrode, and the third electrode;
placing the first hearing system device in a position relative to a body of a person to put the first electrode, the second electrode, and the third electrode in close proximity to or contact with corresponding skin regions of the person;
and transmitting information through the body with each of a number of different pairings of the first electrode, the second electrode, and the third electrode while the first hearing system device is in the position.
44. The method of claim 43, which includes switching among the different pairings in response to a user control.
45. The method of claim 43, wherein the first hearing system device further includes one or more additional electrodes and said electrically transmitting is further performed with a number of different pairings of the first electrode, the second electrode, the third electrode, and the one or more additional electrodes while the first device is in the position.
46. A method, comprising:
providing a first hearing system device for carrying with an ear of a person, the first hearing system device including a first member carrying a first electrode and a second member carrying a second electrode;
positioning the first member in an ear canal of the person to place the first electrode along a first skin region;
positioning the second member behind the ear between a corresponding pinna and cranial region to place the second electrode along a second skin region;
and generating a time varying electric potential between the first electrode and the second electrode to transmit information to a second hearing system device through the person as the first hearing system device is carried with the ear.
47. The method of claim 46, which includes operating the first electrode and the second electrode as a dipole antenna to transmit the information, the first skin region being along the ear canal and the second skin region including skin on one or more of the pinna, the cranial region, and a juncture of the pinna and the cranial region.
48. The method of claim 46, wherein at least one of the first electrode and the second electrode is positioned along an interior surface of a housing.
49. The method of any of claims 43-48, which includes capacitively coupling the first electrode and the second electrode to the person.
50. The method of any of claims 43-48, further comprising operating a third hearing system device in contact with the person to communicate with at least one of the first hearing system device and the second hearing system device, the third hearing system device being one of a control device and an implant.
CA2512794A 2003-01-10 2004-01-09 Systems, devices, and methods of wireless intrabody communication Expired - Fee Related CA2512794C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/340,529 US7512448B2 (en) 2003-01-10 2003-01-10 Electrode placement for wireless intrabody communication between components of a hearing system
US10/340,529 2003-01-10
PCT/US2004/000602 WO2004064450A2 (en) 2003-01-10 2004-01-09 Systems, devices, and methods of wireless intrabody communication

Publications (2)

Publication Number Publication Date
CA2512794A1 true CA2512794A1 (en) 2004-07-29
CA2512794C CA2512794C (en) 2011-03-22

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CA2512794A Expired - Fee Related CA2512794C (en) 2003-01-10 2004-01-09 Systems, devices, and methods of wireless intrabody communication

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US (1) US7512448B2 (en)
EP (2) EP1584216B1 (en)
JP (1) JP2006516852A (en)
AU (1) AU2004205043B2 (en)
CA (1) CA2512794C (en)
DE (1) DE602004024956D1 (en)
DK (1) DK1584216T3 (en)
WO (1) WO2004064450A2 (en)

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