DK0392312T3 - Udgangsforstærker til høreapparater - Google Patents
Udgangsforstærker til høreapparaterInfo
- Publication number
- DK0392312T3 DK0392312T3 DK90106296.8T DK90106296T DK0392312T3 DK 0392312 T3 DK0392312 T3 DK 0392312T3 DK 90106296 T DK90106296 T DK 90106296T DK 0392312 T3 DK0392312 T3 DK 0392312T3
- Authority
- DK
- Denmark
- Prior art keywords
- output
- resistor
- output level
- voltage divider
- output amplifier
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0261—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP89106659 | 1989-04-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0392312T3 true DK0392312T3 (da) | 1994-10-24 |
Family
ID=8201229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK90106296.8T DK0392312T3 (da) | 1989-04-14 | 1990-04-02 | Udgangsforstærker til høreapparater |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0392312B1 (da) |
AT (1) | ATE107827T1 (da) |
DE (1) | DE59006176D1 (da) |
DK (1) | DK0392312T3 (da) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1161002A (en) * | 1966-02-21 | 1969-08-13 | Royal Industries | Improvements in and relating to Hearing Aids |
JPS525204A (en) * | 1975-07-01 | 1977-01-14 | Seiko Epson Corp | Hearing aid |
-
1990
- 1990-04-02 EP EP90106296A patent/EP0392312B1/de not_active Expired - Lifetime
- 1990-04-02 DE DE59006176T patent/DE59006176D1/de not_active Expired - Fee Related
- 1990-04-02 DK DK90106296.8T patent/DK0392312T3/da active
- 1990-04-02 AT AT90106296T patent/ATE107827T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE59006176D1 (de) | 1994-07-28 |
EP0392312A1 (de) | 1990-10-17 |
EP0392312B1 (de) | 1994-06-22 |
ATE107827T1 (de) | 1994-07-15 |
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