Patent US4716985A successfully refreshed from Google Patents.
US4716985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
In-the-ear hearing aid
Assignee: Siemens AG
•
Filing: 1987-05-01
•
Granted: 1988-01-05
•
Expires: 2007-05-01
Abstract
Abstract The housing of the hearing aid comprises a distal, bead-like head part having a planar face on which an arched face plate is seated and comprises a proximal, thinner tail part. The angle α between the normal of the planar face and the longitudinal axis of the tail part lies in the range of 135° through 142°, preferably at 140°, in a first longitudinal plane through the housing and a corresponding angle β in a second, perpendicular longitudinal plane through the housing lies in the range from 12° through 17°, preferably at 14°.
Inventors
- 👤 Christof Haertl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:26
CPC Classifications
H; H04; H04R; H04R25/00; H04R25/65; H04R25/658; H04R25/652; H04R25/656; H04R2225/00; H04R2225/025; H04R25/60; H04R25/603; H04R25/609; H04R25/654
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
102 words
An in-the-ear hearing aid, including a pear-shaped housing that encompasses a distal, bead-like head part having a planar face on which a face plate is seated and encompasses a proximal, thinner tail part, whereby a longitudinal axis of the tail part is angled off relative to a normal line of the planar face of the head part in two mutually perpendicular longitudinal sectional planes of the housing, comprising the improvement wherein an angle α between the normal line of the planar face and the longitudinal axis of the tail part lies in the range of 135°-142° in one of said longitudinal planes.
Claim 2
Dependent Claim
102 words
An in-the-ear hearing aid, including a pear-shaped housing that encompasses a distal, bead-like head part having a planar face on which a face plate is seated and encompasses a proximal, thinner tail part, whereby a longitudinal axis of the tail part is angled off relative to a normal line of the planar face of the head part in two mutually perpendicular longitudinal sectional planes of the housing, comprising the improvement wherein an angle α between the normal line of the planar face and the longitudinal axis of the tail part lies in the range of 135°-142° in one of said longitudinal planes.
Claim 3
Dependent Claim
39 words
A hearing aid according to claim 1, wherein an angle β between the normal line of the planar face and the longitudinal axis of the tail part lies in the range 12°-17° in the other of said longitudinal planes.
Claim 4
Dependent Claim
17 words
A hearing aid according to claim 1, wherein the angle α lies in the range of 140°±1°.
Claim 5
Dependent Claim
14 words
A hearing aid according to claim 1, wherein the angle α amounts to 140°.
Claim 6
Dependent Claim
17 words
A hearing aid according to claim 2, wherein the angle β lies in the range of 14°±1°.
Claim 7
Dependent Claim
14 words
A hearing aid according to claim 2, wherein the angle β amounts to 14°.
Claim 8
Dependent Claim
28 words
A hearing aid according to claim 1, wherein a largest diameter of the tail part is no more than one-half of a largest diameter of the head part.
Claim 9
Dependent Claim
29 words
A hearing air according to claim 7, wherein the largest diameter of the tail part amounts to about 1/4 through 1/5 of the largest diameter of the head part.
Claim 10
Dependent Claim
18 words
A hearing aid according to claim 7, wherein the thinner tail part is essentially rectangular in cross section.
Claim 11
Dependent Claim
32 words
A hearing aid according to claim 1, including a head part having a planar face on which a face plate is seated, wherein the face plate is arched round on all sides.
Claim 12
Dependent Claim
129 words
An in-the-ear hearing aid comprising: a pear-shaped housing having a distal, bead-like head part with a planar face on which a face plate is seated and having a proximal, thinner tail part; a longitudinal axis of the tail part being disposed at an angle relative to a normal line of the planar face of the head part in two mutually perpendicular longitudinal sectional planes of the housing; an angle α between the normal line of the planar face and the longitudinal axis of the tail part lying in the range 135°-142° in one of said longitudinal planes; and an angle β between the normal line of the planar face and the longitudinal axis of the tail part lying in the range 12°-17° in the other of said longitudinal planes.
Claim 13
Dependent Claim
129 words
An in-the-ear hearing aid comprising: a pear-shaped housing having a distal, bead-like head part with a planar face on which a face plate is seated and having a proximal, thinner tail part; a longitudinal axis of the tail part being disposed at an angle relative to a normal line of the planar face of the head part in two mutually perpendicular longitudinal sectional planes of the housing; an angle α between the normal line of the planar face and the longitudinal axis of the tail part lying in the range 135°-142° in one of said longitudinal planes; and an angle β between the normal line of the planar face and the longitudinal axis of the tail part lying in the range 12°-17° in the other of said longitudinal planes.
Claim 14
Dependent Claim
28 words
An in-the-ear hearing aid according to claim 11, wherein the angle α lies in the range of 140°±1° and the angle β lies in the range of 14°±1°.
Claim 15
Dependent Claim
19 words
An in-the-ear hearing according to claim 11, wherein the angle α is 140° and the angle β is 14°.
Claim 16
Dependent Claim
30 words
An in-the-ear hearing aid according to claim 11, wherein a largest diameter of the tail part is no more than one half of a largest diameter of the head part.
Claim 17
Dependent Claim
32 words
An in-the-ear hearing aid according to claim 14, wherein the largest diameter of the tail part is in the range of 1/5 to 1/4 of the largest diameter of the head part.
Claim 18
Dependent Claim
19 words
An in-the-ear hearing aid according to claim 14, wherein the thinner tail part is essentially rectangular in cross section.
Claim 19
Dependent Claim
33 words
An in-the-ear hearing aid according to claim 11, including a head part having a planar face on which a face plate is seated, wherein the face plate is arched round on all sides.
References Cited (Backward Citations)
GB1117245A
Cited
DE1487272A1
Cited
US3448224A
Cited
US3975599A
Cited
US4532649A
Cited
US4548082A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-01-04 | 1991-07-06 | 1992-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-01-04 | 1995-07-06 | 1996-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-01-04 | 1999-07-06 | 2000-01-05 | $7700.00 | Window Closed / Lapsed |