JPH0469612U - - Google Patents
Info
- Publication number
- JPH0469612U JPH0469612U JP11121990U JP11121990U JPH0469612U JP H0469612 U JPH0469612 U JP H0469612U JP 11121990 U JP11121990 U JP 11121990U JP 11121990 U JP11121990 U JP 11121990U JP H0469612 U JPH0469612 U JP H0469612U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle interior
- interior noise
- reduction device
- noise reduction
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims 1
- 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 |
---|---|---|---|
JP1990111219U JP2589738Y2 (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 |
---|---|---|---|
JP1990111219U JP2589738Y2 (ja) | 1990-10-24 | 1990-10-24 | 車室内騒音の低減装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0469612U true JPH0469612U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-06-19 |
JP2589738Y2 JP2589738Y2 (ja) | 1999-02-03 |
Family
ID=31858641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990111219U Expired - Fee Related JP2589738Y2 (ja) | 1990-10-24 | 1990-10-24 | 車室内騒音の低減装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2589738Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63315346A (ja) * | 1987-06-18 | 1988-12-23 | Toyota Motor Corp | 車両のこもり音制御装置 |
JPH0241954A (ja) * | 1988-08-03 | 1990-02-13 | Kanto Auto Works Ltd | 車両のこもり音低減装置 |
-
1990
- 1990-10-24 JP JP1990111219U patent/JP2589738Y2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63315346A (ja) * | 1987-06-18 | 1988-12-23 | Toyota Motor Corp | 車両のこもり音制御装置 |
JPH0241954A (ja) * | 1988-08-03 | 1990-02-13 | Kanto Auto Works Ltd | 車両のこもり音低減装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2589738Y2 (ja) | 1999-02-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |