NL7212928A - - Google Patents
Info
- Publication number
- NL7212928A NL7212928A NL7212928A NL7212928A NL7212928A NL 7212928 A NL7212928 A NL 7212928A NL 7212928 A NL7212928 A NL 7212928A NL 7212928 A NL7212928 A NL 7212928A NL 7212928 A NL7212928 A NL 7212928A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- 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
- H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
- H03G3/3015—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable using diodes or transistors
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1971086973U JPS5248695Y2 (de) | 1971-09-23 | 1971-09-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7212928A true NL7212928A (de) | 1973-03-27 |
Family
ID=13901803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7212928A NL7212928A (de) | 1971-09-23 | 1972-09-25 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3875521A (de) |
| JP (1) | JPS5248695Y2 (de) |
| CA (1) | CA977043A (de) |
| DE (1) | DE2246327C2 (de) |
| FR (1) | FR2154261A5 (de) |
| GB (1) | GB1372794A (de) |
| IT (1) | IT969353B (de) |
| NL (1) | NL7212928A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2522451B1 (fr) * | 1982-03-01 | 1988-10-14 | Audibel | Perfectionnement au circuit de controle automatique de gain d'un systeme d'amplification a transistors et appareil de correction auditive equipe d'un tel circuit |
| WO1996016511A1 (fr) * | 1994-11-23 | 1996-05-30 | Serge Saadoun | Dispositif d'adaptation automatique du niveau sonore moyen d'un recepteur de television |
| US8005230B2 (en) * | 2002-12-20 | 2011-08-23 | The AVC Group, LLC | Method and system for digitally controlling a multi-channel audio amplifier |
| JP2006331144A (ja) * | 2005-05-27 | 2006-12-07 | Toshiba Corp | 電子機器 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3065297A (en) * | 1959-02-19 | 1962-11-20 | Bell Telephone Labor Inc | Regenerative pulse repeater |
| US3117287A (en) * | 1959-10-29 | 1964-01-07 | Raytheon Co | Transistor electronic attenuators |
| US3076105A (en) * | 1960-12-16 | 1963-01-29 | Philco Corp | High-speed transistor multivibrator circuit having constant-current biasing to prevent complete cut-off of emitter current |
| NL284366A (nl) * | 1961-11-08 | 1965-01-25 | Richard Peretz | Transistorversterker |
| NL132570C (de) * | 1963-03-07 | |||
| US3268825A (en) * | 1963-07-12 | 1966-08-23 | Collins Radio Co | Anode dissipation limiter |
| US3533006A (en) * | 1968-11-04 | 1970-10-06 | Collins Radio Co | Infinite range electronics gain control circuit |
| US3673498A (en) * | 1970-05-19 | 1972-06-27 | Rca Corp | Gain controlled cascode-connected transistor amplifier |
-
1971
- 1971-09-23 JP JP1971086973U patent/JPS5248695Y2/ja not_active Expired
-
1972
- 1972-09-18 GB GB4317172A patent/GB1372794A/en not_active Expired
- 1972-09-19 CA CA152,062A patent/CA977043A/en not_active Expired
- 1972-09-21 DE DE2246327A patent/DE2246327C2/de not_active Expired
- 1972-09-21 US US291072A patent/US3875521A/en not_active Expired - Lifetime
- 1972-09-23 IT IT7229619A patent/IT969353B/it active
- 1972-09-25 FR FR7233904A patent/FR2154261A5/fr not_active Expired
- 1972-09-25 NL NL7212928A patent/NL7212928A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| IT969353B (it) | 1974-03-30 |
| FR2154261A5 (de) | 1973-05-04 |
| JPS4843550U (de) | 1973-06-06 |
| CA977043A (en) | 1975-10-28 |
| GB1372794A (en) | 1974-11-06 |
| US3875521A (en) | 1975-04-01 |
| DE2246327A1 (de) | 1973-03-29 |
| JPS5248695Y2 (de) | 1977-11-05 |
| DE2246327C2 (de) | 1982-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| A85 | Still pending on 85-01-01 | ||
| BV | The patent application has lapsed |