JPS6210443B2 - - Google Patents
Info
- Publication number
- JPS6210443B2 JPS6210443B2 JP14494378A JP14494378A JPS6210443B2 JP S6210443 B2 JPS6210443 B2 JP S6210443B2 JP 14494378 A JP14494378 A JP 14494378A JP 14494378 A JP14494378 A JP 14494378A JP S6210443 B2 JPS6210443 B2 JP S6210443B2
- Authority
- JP
- Japan
- Prior art keywords
- level
- output
- signal
- volume
- speaker
- 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.)
- Expired
Links
- 230000005236 sound signal Effects 0.000 claims description 16
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000000717 retained effect Effects 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 239000000872 buffer Substances 0.000 description 23
- 239000003990 capacitor Substances 0.000 description 11
- 230000007423 decrease Effects 0.000 description 6
- 230000010355 oscillation Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 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 (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14494378A JPS5571307A (en) | 1978-11-25 | 1978-11-25 | Automatic sound volume adjustment unit |
| GB7927311A GB2029141A (en) | 1978-08-26 | 1979-08-06 | Gain control arrangements |
| US06/064,384 US4254303A (en) | 1978-08-26 | 1979-08-08 | Automatic volume adjusting apparatus |
| FR7921366A FR2435879A1 (fr) | 1978-08-26 | 1979-08-24 | Appareils de reglage automatique du volume sonore en fonction des variations du niveau du bruit ambiant |
| SE7907070A SE7907070L (sv) | 1978-08-26 | 1979-08-24 | Apparat for automatisk volyminstellning |
| DE19792934593 DE2934593A1 (de) | 1978-08-26 | 1979-08-27 | Automatischer lautstaerkenregler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14494378A JPS5571307A (en) | 1978-11-25 | 1978-11-25 | Automatic sound volume adjustment unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5571307A JPS5571307A (en) | 1980-05-29 |
| JPS6210443B2 true JPS6210443B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1987-03-06 |
Family
ID=15373784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14494378A Granted JPS5571307A (en) | 1978-08-26 | 1978-11-25 | Automatic sound volume adjustment unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5571307A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4508900B2 (ja) * | 2005-02-16 | 2010-07-21 | 株式会社オーディオテクニカ | マイクロホン |
-
1978
- 1978-11-25 JP JP14494378A patent/JPS5571307A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5571307A (en) | 1980-05-29 |