JPS6168297U - - Google Patents
Info
- Publication number
- JPS6168297U JPS6168297U JP15291084U JP15291084U JPS6168297U JP S6168297 U JPS6168297 U JP S6168297U JP 15291084 U JP15291084 U JP 15291084U JP 15291084 U JP15291084 U JP 15291084U JP S6168297 U JPS6168297 U JP S6168297U
- Authority
- JP
- Japan
- Prior art keywords
- surrounding wall
- cylindrical surrounding
- lens device
- acoustic lens
- sound wave
- 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
- 230000004323 axial length Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Description
第１図乃至第４図は本考案の一実施例を示し、
第１図乃至第３図は種々の使用形態を示す縦断側
面図、第４図は第１図−線断面図、第５図及
び第６図は夫々別の実施例を示す縦断側面図及び
要部の縦断側面図である。
１……スロート部、２……開口部、３……筒状
囲壁、４……音波抵抗部材。
1 to 4 show an embodiment of the present invention,
1 to 3 are longitudinal sectional side views showing various usage forms, FIG. 4 is a sectional view taken along the line of FIG. FIG. DESCRIPTION OF SYMBOLS 1... Throat part, 2... Opening part, 3... Cylindrical surrounding wall, 4... Sound wave resistance member.
Claims (1)
２とを有する筒状囲壁３を少なくとも筒軸線方向
に伸縮固定自在に構成するとともに、この伸縮筒
状囲壁３内には筒軸線方向に適宜間隔を隔てて、
周辺部の音波に中心部の音波よりも大なる抵抗を
与えることが可能な複数個の音波抵抗部材４を、
前記筒状囲壁３の伸縮によつて隣接間隔可変の状
態に設けてあることを特徴とする音響レンズ装置
。 前記筒状囲壁３がその軸線方向全長に亘つて
同径又はほぼ同径のものである実用新案登録請求
の範囲第項に記載の音響レンズ装置。 前記筒状囲壁３が前記スロート部１に対し前
記開口部２側ほど漸次径の大なるものに構成され
ている実用新案登録請求の範囲第項に記載の音
響レンズ装置。[Claims for Utility Model Registration] A cylindrical surrounding wall 3 having a throat portion 1 for sound wave entry and an opening 2 for sound wave discharge is configured to be expandable and fixed at least in the direction of the axis of the cylinder. are spaced at appropriate intervals in the cylinder axis direction,
A plurality of sound wave resistance members 4 capable of giving greater resistance to sound waves in the peripheral area than sound waves in the center,
An acoustic lens device characterized in that the cylindrical surrounding wall 3 is provided in such a manner that the adjacent interval can be varied by expanding and contracting. The acoustic lens device according to claim 1, wherein the cylindrical surrounding wall 3 has the same diameter or approximately the same diameter over its entire axial length. The acoustic lens device according to claim 1, wherein the cylindrical surrounding wall 3 has a diameter that gradually increases toward the opening 2 with respect to the throat portion 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15291084U JPS6168297U (en) | 1984-10-09 | 1984-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15291084U JPS6168297U (en) | 1984-10-09 | 1984-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6168297U true JPS6168297U (en) | 1986-05-10 |
Family
ID=30710955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15291084U Pending JPS6168297U (en) | 1984-10-09 | 1984-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6168297U (en) |
-
1984
- 1984-10-09 JP JP15291084U patent/JPS6168297U/ja active Pending
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