FR2191823A5 - - Google Patents
Info
- Publication number
- FR2191823A5 FR2191823A5 FR7224057A FR7224057A FR2191823A5 FR 2191823 A5 FR2191823 A5 FR 2191823A5 FR 7224057 A FR7224057 A FR 7224057A FR 7224057 A FR7224057 A FR 7224057A FR 2191823 A5 FR2191823 A5 FR 2191823A5
- Authority
- FR
- France
- 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.)
- Expired
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
- H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7224057A FR2191823A5 (en) | 1972-06-28 | 1972-06-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7224057A FR2191823A5 (en) | 1972-06-28 | 1972-06-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2191823A5 true FR2191823A5 (en) | 1974-02-01 |
Family
ID=9101275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7224057A Expired FR2191823A5 (en) | 1972-06-28 | 1972-06-28 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2191823A5 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2306568A1 (en) * | 1975-04-03 | 1976-10-29 | Philips Nv | LOW FREQUENCY AMPLIFIER EQUIPPED WITH A VOLUME REGULATION DEPENDING ON THE SPEED OF AN ENGINE |
FR2438376A1 (en) * | 1978-10-05 | 1980-04-30 | Thomson Brandt | Sound level control for motor vehicle radio - uses control signal generated by ignition coil contact breaker terminal to increase level with increasing speed |
-
1972
- 1972-06-28 FR FR7224057A patent/FR2191823A5/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2306568A1 (en) * | 1975-04-03 | 1976-10-29 | Philips Nv | LOW FREQUENCY AMPLIFIER EQUIPPED WITH A VOLUME REGULATION DEPENDING ON THE SPEED OF AN ENGINE |
FR2438376A1 (en) * | 1978-10-05 | 1980-04-30 | Thomson Brandt | Sound level control for motor vehicle radio - uses control signal generated by ignition coil contact breaker terminal to increase level with increasing speed |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |