JPS63113759U - - Google Patents
Info
- Publication number
- JPS63113759U JPS63113759U JP658687U JP658687U JPS63113759U JP S63113759 U JPS63113759 U JP S63113759U JP 658687 U JP658687 U JP 658687U JP 658687 U JP658687 U JP 658687U JP S63113759 U JPS63113759 U JP S63113759U
- Authority
- JP
- Japan
- Prior art keywords
- pressure waves
- cancel
- detection signal
- intake
- intake pipe
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP658687U JPS63113759U (el) | 1987-01-20 | 1987-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP658687U JPS63113759U (el) | 1987-01-20 | 1987-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63113759U true JPS63113759U (el) | 1988-07-22 |
Family
ID=30789241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP658687U Pending JPS63113759U (el) | 1987-01-20 | 1987-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63113759U (el) |
-
1987
- 1987-01-20 JP JP658687U patent/JPS63113759U/ja active Pending