JPH0165586U - - Google Patents
Info
- Publication number
- JPH0165586U JPH0165586U JP1987161672U JP16167287U JPH0165586U JP H0165586 U JPH0165586 U JP H0165586U JP 1987161672 U JP1987161672 U JP 1987161672U JP 16167287 U JP16167287 U JP 16167287U JP H0165586 U JPH0165586 U JP H0165586U
- Authority
- JP
- Japan
- Prior art keywords
- analyzer
- output
- speaker
- computer
- inputs
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Description
第１図は本考案の一実施例を示すブロツク線図
、第２図は第１図のセンサーの出力を示す波形図
、第３図は第１図のスピーカーの出力波形図であ
る。
１……音響センサー、２……アナライザー、３
……コンピユーター、４……音波合成装置、５…
…スピーカー。
FIG. 1 is a block diagram showing an embodiment of the present invention, FIG. 2 is a waveform diagram showing the output of the sensor shown in FIG. 1, and FIG. 3 is an output waveform diagram of the speaker shown in FIG. 1...Acoustic sensor, 2...Analyzer, 3
...Computer, 4...Sound wave synthesizer, 5...
…speaker.
Claims (1)
アナライザーと、上記アナライザーの出力を入力
し音波合成装置を介して騒音と反対位相の音響を
出力するスピーカーを駆動するコンピユーターと
を具えたことを特徴とする騒音低減装置。 Noise reduction characterized by comprising an acoustic sensor, an analyzer that performs Fourier analysis of the output thereof, and a computer that inputs the output of the analyzer and drives a speaker that outputs sound in phase opposite to the noise via a sound wave synthesizer. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987161672U JPH0165586U (en) | 1987-10-22 | 1987-10-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987161672U JPH0165586U (en) | 1987-10-22 | 1987-10-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0165586U true JPH0165586U (en) | 1989-04-26 |
Family
ID=31444819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987161672U Pending JPH0165586U (en) | 1987-10-22 | 1987-10-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0165586U (en) |
-
1987
- 1987-10-22 JP JP1987161672U patent/JPH0165586U/ja active Pending
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