FR2352463A1 - Appareil auditif muni d'un dispositif a impedance acoustique - Google Patents
Appareil auditif muni d'un dispositif a impedance acoustiqueInfo
- Publication number
- FR2352463A1 FR2352463A1 FR7639483A FR7639483A FR2352463A1 FR 2352463 A1 FR2352463 A1 FR 2352463A1 FR 7639483 A FR7639483 A FR 7639483A FR 7639483 A FR7639483 A FR 7639483A FR 2352463 A1 FR2352463 A1 FR 2352463A1
- Authority
- FR
- France
- Prior art keywords
- side walls
- hearing aid
- parallel side
- thick plate
- labyrinth
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/48—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using constructional means for obtaining a desired frequency response
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK592675A DK136200B (da) | 1975-12-29 | 1975-12-29 | Høreapparat med akustisk impedansorgan. |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2352463A1 true FR2352463A1 (fr) | 1977-12-16 |
Family
ID=8146221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7639483A Withdrawn FR2352463A1 (fr) | 1975-12-29 | 1976-12-29 | Appareil auditif muni d'un dispositif a impedance acoustique |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2658275A1 (fr) |
DK (1) | DK136200B (fr) |
FR (1) | FR2352463A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3023871A1 (de) * | 1980-06-26 | 1982-01-14 | Robert Bosch Gmbh, 7000 Stuttgart | Hoergeraet |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL111663C (fr) * | 1956-10-11 | |||
DE1274658B (de) * | 1966-05-14 | 1968-08-08 | Bosch Elektronik Photokino | Elektronisches Schwerhoerigengeraet |
US4006321A (en) * | 1974-02-20 | 1977-02-01 | Industrial Research Products, Inc. | Transducer coupling system |
-
1975
- 1975-12-29 DK DK592675A patent/DK136200B/da not_active Application Discontinuation
-
1976
- 1976-12-22 DE DE19762658275 patent/DE2658275A1/de active Granted
- 1976-12-29 FR FR7639483A patent/FR2352463A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2658275C2 (fr) | 1987-01-15 |
DK136200B (da) | 1977-08-29 |
DE2658275A1 (de) | 1977-07-07 |
DK592675A (fr) | 1977-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |