JPS5515882B1 - - Google Patents
Info
- Publication number
- JPS5515882B1 JPS5515882B1 JP499170A JP499170A JPS5515882B1 JP S5515882 B1 JPS5515882 B1 JP S5515882B1 JP 499170 A JP499170 A JP 499170A JP 499170 A JP499170 A JP 499170A JP S5515882 B1 JPS5515882 B1 JP S5515882B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6901098.A NL160688C (nl) | 1969-01-23 | 1969-01-23 | Versterker met automatische niveauregeling. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5515882B1 true JPS5515882B1 (ja) | 1980-04-26 |
Family
ID=19805944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP499170A Pending JPS5515882B1 (ja) | 1969-01-23 | 1970-01-20 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3600698A (ja) |
| JP (1) | JPS5515882B1 (ja) |
| AT (1) | AT290644B (ja) |
| BE (1) | BE744741A (ja) |
| DE (1) | DE2001306C3 (ja) |
| DK (1) | DK132148C (ja) |
| FR (1) | FR2028953A1 (ja) |
| GB (1) | GB1286036A (ja) |
| NL (1) | NL160688C (ja) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5250646B2 (ja) * | 1972-10-16 | 1977-12-26 | ||
| US4471324A (en) * | 1982-01-19 | 1984-09-11 | Dbx, Inc. | All NPN variably controlled amplifier |
| KR102163050B1 (ko) * | 2015-03-12 | 2020-10-08 | 삼성전기주식회사 | 전력 증폭기 및 전력 증폭기의 위상 보정 방법 |
| CN104980847A (zh) * | 2015-06-30 | 2015-10-14 | 傅明尧 | 一种采用分立元件组装的耳机电路 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2903522A (en) * | 1955-07-07 | 1959-09-08 | Gen Precision Lab Inc | Transistor amplifier |
-
1969
- 1969-01-23 NL NL6901098.A patent/NL160688C/xx active
-
1970
- 1970-01-13 DE DE2001306A patent/DE2001306C3/de not_active Expired
- 1970-01-19 US US3592A patent/US3600698A/en not_active Expired - Lifetime
- 1970-01-20 AT AT49970A patent/AT290644B/de not_active IP Right Cessation
- 1970-01-20 DK DK25870*#A patent/DK132148C/da active
- 1970-01-20 JP JP499170A patent/JPS5515882B1/ja active Pending
- 1970-01-20 GB GB2647/70A patent/GB1286036A/en not_active Expired
- 1970-01-21 FR FR7002148A patent/FR2028953A1/fr not_active Withdrawn
- 1970-01-21 BE BE744741D patent/BE744741A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2001306C3 (de) | 1980-09-11 |
| AT290644B (de) | 1971-06-11 |
| NL6901098A (ja) | 1970-07-27 |
| DE2001306A1 (de) | 1970-07-30 |
| NL160688C (nl) | 1979-11-15 |
| FR2028953A1 (ja) | 1970-10-16 |
| US3600698A (en) | 1971-08-17 |
| DE2001306B2 (de) | 1980-01-10 |
| DK132148C (da) | 1976-03-22 |
| BE744741A (fr) | 1970-07-22 |
| DK132148B (da) | 1975-10-27 |
| GB1286036A (en) | 1972-08-16 |
| NL160688B (nl) | 1979-06-15 |