JPH0633750Y2 - アクティブ・ノイズ・キャンセラー - Google Patents
アクティブ・ノイズ・キャンセラーInfo
- Publication number
- JPH0633750Y2 JPH0633750Y2 JP2091889U JP2091889U JPH0633750Y2 JP H0633750 Y2 JPH0633750 Y2 JP H0633750Y2 JP 2091889 U JP2091889 U JP 2091889U JP 2091889 U JP2091889 U JP 2091889U JP H0633750 Y2 JPH0633750 Y2 JP H0633750Y2
- Authority
- JP
- Japan
- Prior art keywords
- sound
- canceling
- noise
- speaker
- microphone
- 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
- 238000012544 monitoring process Methods 0.000 claims description 10
- 239000012528 membrane Substances 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims 1
- 230000003584 silencer Effects 0.000 claims 1
- 230000030279 gene silencing Effects 0.000 description 5
- 229910052734 helium Inorganic materials 0.000 description 4
- 239000001307 helium Substances 0.000 description 4
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001868 water Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2091889U JPH0633750Y2 (ja) | 1989-02-25 | 1989-02-25 | アクティブ・ノイズ・キャンセラー |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2091889U JPH0633750Y2 (ja) | 1989-02-25 | 1989-02-25 | アクティブ・ノイズ・キャンセラー |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02112094U JPH02112094U (en]) | 1990-09-07 |
| JPH0633750Y2 true JPH0633750Y2 (ja) | 1994-08-31 |
Family
ID=31237691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2091889U Expired - Lifetime JPH0633750Y2 (ja) | 1989-02-25 | 1989-02-25 | アクティブ・ノイズ・キャンセラー |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0633750Y2 (en]) |
-
1989
- 1989-02-25 JP JP2091889U patent/JPH0633750Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02112094U (en]) | 1990-09-07 |
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