JPS6374896U - - Google Patents
Info
- Publication number
- JPS6374896U JPS6374896U JP16954986U JP16954986U JPS6374896U JP S6374896 U JPS6374896 U JP S6374896U JP 16954986 U JP16954986 U JP 16954986U JP 16954986 U JP16954986 U JP 16954986U JP S6374896 U JPS6374896 U JP S6374896U
- Authority
- JP
- Japan
- Prior art keywords
- sound
- microphone
- sound waves
- frequency band
- collecting device
- 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
- 230000001902 propagating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
Landscapes
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Description
第１図は本考案の一実施例に係る吸音装置の構
成図、第２図は従来と本考案の周波数―反射率特
性を比較して示す図、第３図ａ〜ｃはそれぞれ第
１図の装置における吸音構造体を示す断面図であ
る。
１……マイクロホン、２……反射板、３……吸
音構造体。
Fig. 1 is a block diagram of a sound absorbing device according to an embodiment of the present invention, Fig. 2 is a diagram comparing the frequency-reflectance characteristics of the conventional and the present invention, and Fig. 3 a to c are respectively similar to Fig. 1. It is a sectional view showing the sound absorption structure in the device. 1...Microphone, 2...Reflector, 3...Sound absorbing structure.
Claims (1)
いて、 前記音波を集音するマイクロホンと、このマイ
クロホンに対し前記音波を反射させる反射板と、
この反射板に取付けられ、前記マイクロホンによ
り集音すべき周波数帯以外の帯域の音波を吸収す
る吸音構造体とを具備したことを特徴とする集音
装置。[Claims for Utility Model Registration] In a sound collecting device for sound waves propagating from a specific direction, a microphone that collects the sound waves, a reflector that reflects the sound waves to the microphone,
A sound collecting device comprising: a sound absorbing structure attached to the reflecting plate and absorbing sound waves in a frequency band other than the frequency band to be collected by the microphone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16954986U JPS6374896U (en) | 1986-11-06 | 1986-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16954986U JPS6374896U (en) | 1986-11-06 | 1986-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6374896U true JPS6374896U (en) | 1988-05-18 |
Family
ID=31103461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16954986U Pending JPS6374896U (en) | 1986-11-06 | 1986-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6374896U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006092841A1 (en) * | 2005-02-28 | 2006-09-08 | Fujitsu Limited | Sound receiver |
-
1986
- 1986-11-06 JP JP16954986U patent/JPS6374896U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006092841A1 (en) * | 2005-02-28 | 2006-09-08 | Fujitsu Limited | Sound receiver |
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