JPS61116423U - - Google Patents
Info
- Publication number
- JPS61116423U JPS61116423U JP20203484U JP20203484U JPS61116423U JP S61116423 U JPS61116423 U JP S61116423U JP 20203484 U JP20203484 U JP 20203484U JP 20203484 U JP20203484 U JP 20203484U JP S61116423 U JPS61116423 U JP S61116423U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- level
- frequency
- filter
- audio
- 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
- 238000001514 detection method Methods 0.000 claims description 8
- 230000005236 sound signal Effects 0.000 claims description 4
- 230000035945 sensitivity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984202034U JPH054335Y2 (https=) | 1984-12-28 | 1984-12-28 | |
| 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 |
| DE8585303859T DE3584908D1 (de) | 1984-05-31 | 1985-05-31 | Automatische verstaerkungs- und frequenzregelungseinheit fuer ein schallgeraet. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984202034U JPH054335Y2 (https=) | 1984-12-28 | 1984-12-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61116423U true JPS61116423U (https=) | 1986-07-23 |
| JPH054335Y2 JPH054335Y2 (https=) | 1993-02-03 |
Family
ID=30764378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984202034U Expired - Lifetime JPH054335Y2 (https=) | 1984-05-31 | 1984-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH054335Y2 (https=) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55147015A (en) * | 1979-05-07 | 1980-11-15 | Hitachi Ltd | Audio unit mounting on car |
| JPS5650119U (https=) * | 1979-09-26 | 1981-05-02 | ||
| JPS5650607A (en) * | 1979-10-01 | 1981-05-07 | Clarion Co Ltd | Sound volume/quality control device |
-
1984
- 1984-12-28 JP JP1984202034U patent/JPH054335Y2/ja not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55147015A (en) * | 1979-05-07 | 1980-11-15 | Hitachi Ltd | Audio unit mounting on car |
| JPS5650119U (https=) * | 1979-09-26 | 1981-05-02 | ||
| JPS5650607A (en) * | 1979-10-01 | 1981-05-07 | Clarion Co Ltd | Sound volume/quality control device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH054335Y2 (https=) | 1993-02-03 |
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