CH595035A5 - - Google Patents
Info
- Publication number
- CH595035A5 CH595035A5 CH842776A CH842776A CH595035A5 CH 595035 A5 CH595035 A5 CH 595035A5 CH 842776 A CH842776 A CH 842776A CH 842776 A CH842776 A CH 842776A CH 595035 A5 CH595035 A5 CH 595035A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/02—Manually-operated control
- H03G5/04—Manually-operated control in untuned amplifiers
- H03G5/10—Manually-operated control in untuned amplifiers having semiconductor devices
- H03G5/12—Manually-operated control in untuned amplifiers having semiconductor devices incorporating negative feedback
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
- H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/68—Combinations of amplifiers, e.g. multi-channel amplifiers for stereophonics
-
- 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
- H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
- H04R25/502—Customised settings for obtaining desired overall acoustical characteristics using analog signal processing
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19752536078 DE2536078B2 (de) | 1975-08-13 | 1975-08-13 | Schwerhoerigengeraet mit einem tonfrequenzverstaerker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH595035A5 true CH595035A5 (US07922777-20110412-C00004.png) | 1978-01-31 |
Family
ID=5953895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH842776A CH595035A5 (US07922777-20110412-C00004.png) | 1975-08-13 | 1976-07-01 |
Country Status (6)
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2186195A (en) * | 1937-12-24 | 1940-01-09 | Radio Patents Corp | Inverse feedback circuits |
| FR1225932A (fr) * | 1958-10-22 | 1960-07-06 | Procédé et appareillage pour examiner et pour compenser les déficiences auditiveset pour autres buts | |
| NL261164A (nl) * | 1960-02-15 | 1964-05-11 | Etudes Et Brevets Mota | Toestel voor gehoor-stem-aanpassing |
| FR1263511A (fr) * | 1960-07-04 | 1961-06-09 | Appareil de prothèse binauricualire pour déficients de l'ouïe, à ampli bi-canal | |
| US3784750A (en) * | 1972-02-25 | 1974-01-08 | Shalako Resource Systems | Apparatus and prosthetic device for providing electronic correction of auditory deficiencies for aurally handicapped persons |
| DE2231647C3 (de) * | 1972-06-23 | 1981-08-13 | Hans-Heinz Dipl.-Ing. 1000 Berlin Dorsch | Verstärkerschaltungsanordnung für Tonfrequenzen |
| JPS5250646B2 (US07922777-20110412-C00004.png) * | 1972-10-16 | 1977-12-26 | ||
| DE2316939B2 (de) * | 1973-04-04 | 1978-06-01 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Elektrische Hörhilfeschaltung |
| US3894195A (en) * | 1974-06-12 | 1975-07-08 | Karl D Kryter | Method of and apparatus for aiding hearing and the like |
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1975
- 1975-08-13 DE DE19752536078 patent/DE2536078B2/de not_active Withdrawn
-
1976
- 1976-06-22 AT AT454576A patent/ATA454576A/de not_active Application Discontinuation
- 1976-07-01 CH CH842776A patent/CH595035A5/xx not_active IP Right Cessation
- 1976-07-15 GB GB2948276A patent/GB1541261A/en not_active Expired
- 1976-08-10 DK DK360276A patent/DK144169C/da not_active IP Right Cessation
- 1976-08-12 NL NL7608970A patent/NL7608970A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2536078A1 (de) | 1977-02-17 |
| DK144169C (da) | 1982-06-07 |
| DK144169B (da) | 1981-12-28 |
| DE2536078B2 (de) | 1977-06-08 |
| GB1541261A (en) | 1979-02-28 |
| ATA454576A (de) | 1977-11-15 |
| DK360276A (da) | 1977-02-14 |
| NL7608970A (nl) | 1977-02-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |