Patent EP0311233A2 successfully refreshed from Google Patents.
EP0311233A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Touch contacts for hearing aid volume control
Assignee: Richards Medical Co
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Filing: 1988-05-19
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Granted: —
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Expires: 2008-05-19
Abstract
Abstract Touch contacts 20 for touch sensitive amplification adjustment of a hearing aid H adapted to be inserted in the ear canal are located adjacent the battery door 16 on the face plate 12 of the hearing aid, allowing the touch contacts 20 to be easily touched when the hearing aid is installed. Preferably the touch contacts 20 are located on the edges of guides 18 adjacent the battery door 16, forming the most prominent point on the hearing aid when installed.
Inventors
- 👤 Jorgen Heide
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 21:47
CPC Classifications
H; H04; H04R; H04R25/00; H04R25/50; H04R25/502; H04R25/65; H01; H01H; H01H2300/00; H01H2300/004; H04R25/652
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
99 words
A hearing aid, comprising: a housing, which includes a face plate adapted to be accessible when the hearing aid is installed in an ear canal; a battery door located in said face plate for allowing a battery to be inserted into and removed from the hearing aid; and circuit means in the housing for receiving and amplifying sound, said circuit means including two touch contacts for use in controlling the amplification level of the sound; said touch contacts being located directly adjacent to and on opposite sides of said battery door on the accessible side of said face plate.
Claim 2
Dependent Claim
99 words
A hearing aid, comprising: a housing, which includes a face plate adapted to be accessible when the hearing aid is installed in an ear canal; a battery door located in said face plate for allowing a battery to be inserted into and removed from the hearing aid; and circuit means in the housing for receiving and amplifying sound, said circuit means including two touch contacts for use in controlling the amplification level of the sound; said touch contacts being located directly adjacent to and on opposite sides of said battery door on the accessible side of said face plate.
Claim 3
Dependent Claim
30 words
The hearing aid of Claim 1, wherein the battery door is adapted for insertion or removal of a battery whose axis is parallel to the plane of said face plate.
Claim 4
Dependent Claim
37 words
The hearing aid of Claim 2, further comprising: flat guides perpendicular to said face plate and perpendicular to the battery axis and located adjacent to said battery door so as to provide sides to said battery door.
Claim 5
Dependent Claim
23 words
The hearing aid of Claim 3, wherein said touch contacts are located on the edge of said guides away from said face plate.
Claim 6
Dependent Claim
20 words
The hearing aid of Claim 4, wherein said guide edges extend farther from said face plate than said battery door.
Claim 7
Dependent Claim
19 words
The hearing aid of any one of the preceding claims, wherein said touch contacts are formed of gold-plated wire.
References Cited (Backward Citations)
No citation records indexed.
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