JPH0715038Y2 - 消音装置 - Google Patents
消音装置Info
- Publication number
- JPH0715038Y2 JPH0715038Y2 JP3078988U JP3078988U JPH0715038Y2 JP H0715038 Y2 JPH0715038 Y2 JP H0715038Y2 JP 3078988 U JP3078988 U JP 3078988U JP 3078988 U JP3078988 U JP 3078988U JP H0715038 Y2 JPH0715038 Y2 JP H0715038Y2
- Authority
- JP
- Japan
- Prior art keywords
- duct
- correction signal
- noise
- passivator
- 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
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Exhaust Silencers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3078988U JPH0715038Y2 (ja) | 1988-03-07 | 1988-03-07 | 消音装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3078988U JPH0715038Y2 (ja) | 1988-03-07 | 1988-03-07 | 消音装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01133892U JPH01133892U (enExample) | 1989-09-12 |
| JPH0715038Y2 true JPH0715038Y2 (ja) | 1995-04-10 |
Family
ID=31256161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3078988U Expired - Lifetime JPH0715038Y2 (ja) | 1988-03-07 | 1988-03-07 | 消音装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0715038Y2 (enExample) |
-
1988
- 1988-03-07 JP JP3078988U patent/JPH0715038Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01133892U (enExample) | 1989-09-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1297575C (en) | Hearing aid transducer | |
| US4593404A (en) | Method of improving the acoustics of a hall | |
| US5097513A (en) | Speaker system enclosure integrated with amplifier circuit board | |
| US20040047486A1 (en) | Microphone with improved sound inlet port | |
| WO1992021217A1 (en) | Flow-through air-cooled loudspeaker system | |
| JP2649116B2 (ja) | 分離形室内用エアコンディショナーパッケージの室内機の騒音防止装置 | |
| EA199800250A1 (ru) | Громкоговоритель со звукоизлучающей панелью, излучающим элементом | |
| JPS6418396A (en) | Speaker system | |
| KR100188281B1 (ko) | 텔레비젼용 스피커 시스템 | |
| JPH0715038Y2 (ja) | 消音装置 | |
| US9508337B2 (en) | Low-noise fume extractor hood | |
| WO2000038477A2 (en) | Directional ite hearing aid using dual-input microphone | |
| KR970073214A (ko) | 스피커 시스템 | |
| US4657107A (en) | Loudspeaker cabinet | |
| JP2514732B2 (ja) | スピ―カシステムの低音増強装置 | |
| JP2615453B2 (ja) | スピーカシステム | |
| US2642947A (en) | Acoustic device with an inverted horn having a throat vented to the atmosphere | |
| JPS6117663Y2 (enExample) | ||
| WO2024139688A1 (zh) | 一种蓝牙音箱 | |
| JPH0715037Y2 (ja) | 消音装置 | |
| JP2005331571A (ja) | 電子消音システム、および消音方法 | |
| EP0493483A1 (en) | Transducer enclosure | |
| JPH11224092A (ja) | 消音装置 | |
| JPH01130696A (ja) | スピーカシステム | |
| SU733118A1 (ru) | Громкоговоритель |