JPH0469253U - - Google Patents
Info
- Publication number
- JPH0469253U JPH0469253U JP11122090U JP11122090U JPH0469253U JP H0469253 U JPH0469253 U JP H0469253U JP 11122090 U JP11122090 U JP 11122090U JP 11122090 U JP11122090 U JP 11122090U JP H0469253 U JPH0469253 U JP H0469253U
- Authority
- JP
- Japan
- Prior art keywords
- speaker
- noise reduction
- engine
- reduction device
- vehicle interior
- 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 3
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Filters That Use Time-Delay Elements (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Exhaust Silencers (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990111220U JP2564309Y2 (ja) | 1990-10-24 | 1990-10-24 | 車室内騒音の低減装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990111220U JP2564309Y2 (ja) | 1990-10-24 | 1990-10-24 | 車室内騒音の低減装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0469253U true JPH0469253U (US20110009641A1-20110113-C00185.png) | 1992-06-18 |
| JP2564309Y2 JP2564309Y2 (ja) | 1998-03-09 |
Family
ID=31858643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990111220U Expired - Fee Related JP2564309Y2 (ja) | 1990-10-24 | 1990-10-24 | 車室内騒音の低減装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2564309Y2 (US20110009641A1-20110113-C00185.png) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11242488A (ja) * | 1998-02-26 | 1999-09-07 | Toshiba Corp | 遮音装置 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5857193A (ja) * | 1981-09-30 | 1983-04-05 | 日野自動車株式会社 | 車内騒音低減装置 |
| JPS63170699A (ja) * | 1987-01-09 | 1988-07-14 | 株式会社 曙ブレ−キ中央技術研究所 | 車両用低周波騒音防止装置 |
| JPH0411542A (ja) * | 1990-04-28 | 1992-01-16 | Toyoda Gosei Co Ltd | 車室内騒音低減装置 |
-
1990
- 1990-10-24 JP JP1990111220U patent/JP2564309Y2/ja not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5857193A (ja) * | 1981-09-30 | 1983-04-05 | 日野自動車株式会社 | 車内騒音低減装置 |
| JPS63170699A (ja) * | 1987-01-09 | 1988-07-14 | 株式会社 曙ブレ−キ中央技術研究所 | 車両用低周波騒音防止装置 |
| JPH0411542A (ja) * | 1990-04-28 | 1992-01-16 | Toyoda Gosei Co Ltd | 車室内騒音低減装置 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11242488A (ja) * | 1998-02-26 | 1999-09-07 | Toshiba Corp | 遮音装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2564309Y2 (ja) | 1998-03-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |