JPH054335Y2 - - Google Patents
Info
- Publication number
- JPH054335Y2 JPH054335Y2 JP1984202034U JP20203484U JPH054335Y2 JP H054335 Y2 JPH054335 Y2 JP H054335Y2 JP 1984202034 U JP1984202034 U JP 1984202034U JP 20203484 U JP20203484 U JP 20203484U JP H054335 Y2 JPH054335 Y2 JP H054335Y2
- Authority
- JP
- Japan
- Prior art keywords
- level
- signal
- frequency
- noise
- audio signal
- 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 - Lifetime
Links
- 230000005236 sound signal Effects 0.000 claims description 26
- 238000001514 detection method Methods 0.000 claims description 25
- 230000035945 sensitivity Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 5
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Control Of Amplification And Gain Control (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984202034U JPH054335Y2 (US08063081-20111122-C00044.png) | 1984-12-28 | 1984-12-28 | |
| DE8585303859T DE3584908D1 (de) | 1984-05-31 | 1985-05-31 | Automatische verstaerkungs- und frequenzregelungseinheit fuer ein schallgeraet. |
| EP85303859A EP0163545B1 (en) | 1984-05-31 | 1985-05-31 | Automatic gain and frequency characteristic control unit in audio device |
| US06/739,953 US4644292A (en) | 1984-05-31 | 1985-05-31 | Automatic gain and frequency characteristic control unit in audio device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984202034U JPH054335Y2 (US08063081-20111122-C00044.png) | 1984-12-28 | 1984-12-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61116423U JPS61116423U (US08063081-20111122-C00044.png) | 1986-07-23 |
| JPH054335Y2 true JPH054335Y2 (US08063081-20111122-C00044.png) | 1993-02-03 |
Family
ID=30764378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984202034U Expired - Lifetime JPH054335Y2 (US08063081-20111122-C00044.png) | 1984-05-31 | 1984-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH054335Y2 (US08063081-20111122-C00044.png) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55147015A (en) * | 1979-05-07 | 1980-11-15 | Hitachi Ltd | Audio unit mounting on car |
| JPS5650607A (en) * | 1979-10-01 | 1981-05-07 | Clarion Co Ltd | Sound volume/quality control device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6145639Y2 (US08063081-20111122-C00044.png) * | 1979-09-26 | 1986-12-22 |
-
1984
- 1984-12-28 JP JP1984202034U patent/JPH054335Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55147015A (en) * | 1979-05-07 | 1980-11-15 | Hitachi Ltd | Audio unit mounting on car |
| JPS5650607A (en) * | 1979-10-01 | 1981-05-07 | Clarion Co Ltd | Sound volume/quality control device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61116423U (US08063081-20111122-C00044.png) | 1986-07-23 |
