JP2567536Y2 - 車室内騒音の低減装置 - Google Patents
車室内騒音の低減装置Info
- Publication number
- JP2567536Y2 JP2567536Y2 JP922791U JP922791U JP2567536Y2 JP 2567536 Y2 JP2567536 Y2 JP 2567536Y2 JP 922791 U JP922791 U JP 922791U JP 922791 U JP922791 U JP 922791U JP 2567536 Y2 JP2567536 Y2 JP 2567536Y2
- Authority
- JP
- Japan
- Prior art keywords
- noise
- microphone
- transfer characteristic
- vehicle interior
- 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 - Lifetime
Links
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)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP922791U JP2567536Y2 (ja) | 1991-01-30 | 1991-01-30 | 車室内騒音の低減装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP922791U JP2567536Y2 (ja) | 1991-01-30 | 1991-01-30 | 車室内騒音の低減装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0496798U JPH0496798U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-08-21 |
| JP2567536Y2 true JP2567536Y2 (ja) | 1998-04-02 |
Family
ID=31741768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP922791U Expired - Lifetime JP2567536Y2 (ja) | 1991-01-30 | 1991-01-30 | 車室内騒音の低減装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2567536Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0627970A (ja) * | 1992-04-03 | 1994-02-04 | Fuji Heavy Ind Ltd | 車室内こもり音制御装置 |
-
1991
- 1991-01-30 JP JP922791U patent/JP2567536Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0496798U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-08-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19971216 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |