DK81782A - Hearing aid with a magnetic core coil as an electromagnetic induction converter - Google Patents
Hearing aid with a magnetic core coil as an electromagnetic induction converter Download PDFInfo
- Publication number
- DK81782A DK81782A DK81782A DK81782A DK81782A DK 81782 A DK81782 A DK 81782A DK 81782 A DK81782 A DK 81782A DK 81782 A DK81782 A DK 81782A DK 81782 A DK81782 A DK 81782A
- Authority
- DK
- Denmark
- Prior art keywords
- magnetic core
- hearing aid
- electromagnetic induction
- core coil
- induction converter
- Prior art date
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
- H04R25/55—Deaf-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
- H04R25/554—Deaf-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 using a wireless connection, e.g. between microphone and amplifier or using Tcoils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/51—Aspects of antennas or their circuitry in or for hearing aids
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Near-Field Transmission Systems (AREA)
- Coils Or Transformers For Communication (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19818105651 DE8105651U1 (en) | 1981-02-27 | 1981-02-27 | INDUCTION COIL |
DE8105651 | 1981-02-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
DK81782A true DK81782A (en) | 1982-08-28 |
DK156360B DK156360B (en) | 1989-08-07 |
Family
ID=6725147
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK81782A DK156360B (en) | 1981-02-27 | 1982-02-25 | Hearing aid with a magnetic core induction coil |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT379276B (en) |
CH (1) | CH659356A5 (en) |
DE (1) | DE8105651U1 (en) |
DK (1) | DK156360B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4326358C1 (en) * | 1993-08-05 | 1994-11-24 | Siemens Audiologische Technik | Induction coil for use as an electromagnetic induction transducer (hearing coil) in electrical hearing aids |
DE10356094A1 (en) * | 2003-12-01 | 2005-07-14 | Siemens Audiologische Technik Gmbh | Induction coil with cross sensitivity for hearing aids |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT160743B (en) * | 1933-06-26 | 1942-01-10 | Siemens Ag | High-frequency induction coil, the winding of which is fixedly arranged on a magnetizable earth core. |
DE2360342C2 (en) * | 1973-12-04 | 1975-09-11 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Hearing aid for the hearing impaired |
CA1100618A (en) * | 1975-10-17 | 1981-05-05 | William A. Kinghorn | Wireless hearing aid |
-
1981
- 1981-02-27 DE DE19818105651 patent/DE8105651U1/en not_active Expired
- 1981-09-04 CH CH571181A patent/CH659356A5/en not_active IP Right Cessation
- 1981-10-29 AT AT461081A patent/AT379276B/en not_active IP Right Cessation
-
1982
- 1982-02-25 DK DK81782A patent/DK156360B/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DK156360B (en) | 1989-08-07 |
ATA461081A (en) | 1985-04-15 |
DE8105651U1 (en) | 1981-08-20 |
CH659356A5 (en) | 1987-01-15 |
AT379276B (en) | 1985-12-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PRF | Application refused |