FR2373915A1 - Regulateur automatique de niveau sonore - Google Patents
Regulateur automatique de niveau sonoreInfo
- Publication number
- FR2373915A1 FR2373915A1 FR7636860A FR7636860A FR2373915A1 FR 2373915 A1 FR2373915 A1 FR 2373915A1 FR 7636860 A FR7636860 A FR 7636860A FR 7636860 A FR7636860 A FR 7636860A FR 2373915 A1 FR2373915 A1 FR 2373915A1
- Authority
- FR
- France
- Prior art keywords
- diode
- sound volume
- function
- series
- ambient noise
- Prior art date
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 abstract 1
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
- H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
Landscapes
- Control Of Amplification And Gain Control (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7636860A FR2373915A1 (fr) | 1976-12-07 | 1976-12-07 | Regulateur automatique de niveau sonore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7636860A FR2373915A1 (fr) | 1976-12-07 | 1976-12-07 | Regulateur automatique de niveau sonore |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2373915A1 true FR2373915A1 (fr) | 1978-07-07 |
| FR2373915B1 FR2373915B1 (enrdf_load_stackoverflow) | 1979-03-30 |
Family
ID=9180758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7636860A Granted FR2373915A1 (fr) | 1976-12-07 | 1976-12-07 | Regulateur automatique de niveau sonore |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2373915A1 (enrdf_load_stackoverflow) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB934610A (en) * | 1961-07-06 | 1963-08-21 | Cole E K Ltd | Improvements in or relating to means for controlling the amplitude of a signal in anamplifier |
| DE1941523A1 (de) * | 1969-08-14 | 1971-02-25 | Guenther Leipold | Akustische Steuereinrichtung |
| DE2435956A1 (de) * | 1974-07-26 | 1976-02-05 | Nippold | Verfahren zur regelung der lautstaerke einer elektroakustischen anlage |
-
1976
- 1976-12-07 FR FR7636860A patent/FR2373915A1/fr active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB934610A (en) * | 1961-07-06 | 1963-08-21 | Cole E K Ltd | Improvements in or relating to means for controlling the amplitude of a signal in anamplifier |
| DE1941523A1 (de) * | 1969-08-14 | 1971-02-25 | Guenther Leipold | Akustische Steuereinrichtung |
| DE2435956A1 (de) * | 1974-07-26 | 1976-02-05 | Nippold | Verfahren zur regelung der lautstaerke einer elektroakustischen anlage |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2373915B1 (enrdf_load_stackoverflow) | 1979-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB933734A (en) | Electrical generator regulator | |
| GB1269308A (en) | Improvements in or relating to voltage regulators | |
| GB1204882A (en) | Voltage regulators for use in battery charging systems | |
| FR2373915A1 (fr) | Regulateur automatique de niveau sonore | |
| US4294035A (en) | Device with visual and audio output | |
| SU854286A3 (ru) | Регул тор дл управлени коэффициентомпЕРЕдАчи | |
| GB1404549A (en) | Voltage regulator | |
| GB1286989A (en) | Improvements in or relating to variable speed controls | |
| ES420980A1 (es) | Perfeccionamientos en las disposiciones electronicas de mando, sensibles a la temperatura. | |
| GB1302204A (enrdf_load_stackoverflow) | ||
| FR2274982A1 (fr) | Installation d'avertissement d'incendie | |
| SU552676A1 (ru) | Ждущий мультивибратор | |
| JPS5470755A (en) | Amplifier circuit with agc | |
| JPS5797456A (en) | Voltage drop detecting circuit | |
| FR2276756A1 (fr) | Perfectionnement aux appareils de correction auditive | |
| JPS5691697A (en) | Controlling circuit of stepping motor | |
| JPS5468184A (en) | Light emission diode driving circuit | |
| JPS60118732U (ja) | 音響制御装置 | |
| JPS5337071A (en) | Time regulating element for electronic watch | |
| GB1196647A (en) | Recording and/or Playback Apparatus | |
| JPS5349928A (en) | Variable resistor | |
| JPS52129845A (en) | Non-junction igniter | |
| JPS5384766A (en) | Alarm electronic watch | |
| JPS5881695U (ja) | 蓄積型火災感知器 | |
| JPS5472330A (en) | Contactless ignition device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |