JPS6168599U - - Google Patents
Info
- Publication number
- JPS6168599U JPS6168599U JP15287584U JP15287584U JPS6168599U JP S6168599 U JPS6168599 U JP S6168599U JP 15287584 U JP15287584 U JP 15287584U JP 15287584 U JP15287584 U JP 15287584U JP S6168599 U JPS6168599 U JP S6168599U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic microphone
- horn
- receiving plate
- screen
- main body
- 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 1
Landscapes
- Transducers For Ultrasonic Waves (AREA)
Description
第１図は本考案にかゝる超音波マイクロホンの
第１実施例を示す一部切欠き斜視図、第２図はそ
の縦断面図、第３図は第２実施例の縦断面図、第
４図は指向特性線図、第５図は従来例の縦断面図
である。
１……マイクロホン本体、３……受波板、４…
…感圧エレメント、８……コーン、９……孔。
FIG. 1 is a partially cutaway perspective view showing a first embodiment of an ultrasonic microphone according to the present invention, FIG. 2 is a longitudinal sectional view thereof, and FIG. 3 is a longitudinal sectional view of the second embodiment. FIG. 4 is a directional characteristic diagram, and FIG. 5 is a longitudinal cross-sectional view of a conventional example. 1... Microphone body, 3... Wave receiving plate, 4...
...Pressure sensitive element, 8...cone, 9...hole.
Claims (1)
けて３次振動を利用するようにした超音波マイク
ロホン本体１の前部にコーン８を装備し、マイク
ロホン本体１の前面より＝1/2λ・ｎ（ｎ＝１
，２，３…）〔λ＝波長〕なる距離へだてたホー
ン内位置に、中央に受波板直径Ｄのほぼ１／３の
直径ｄの孔９を備えたスクリーン１０を設けてあ
ることを特徴とする超音波マイクロホン。 (2) スクリーン１０をホーン８と一体成形して
ある実用新案登録請求の範囲第(1)項に記載の超
音波マイクロホン。[Claims for Utility Model Registration] (1) A pressure-sensitive element 4 is attached to the back surface of a wave receiving plate 3 to make use of tertiary vibration.A cone 8 is equipped on the front part of an ultrasonic microphone main body 1, and the microphone From the front of main body 1 = 1/2λ・n (n=1
, 2, 3...) A screen 10 is provided at a position within the horn that extends at a distance of [λ = wavelength] and has a hole 9 in the center having a diameter d that is approximately 1/3 of the diameter D of the wave receiving plate. Ultrasonic microphone. (2) The ultrasonic microphone according to claim (1), in which the screen 10 and the horn 8 are integrally molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15287584U JPS6168599U (en) | 1984-10-09 | 1984-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15287584U JPS6168599U (en) | 1984-10-09 | 1984-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6168599U true JPS6168599U (en) | 1986-05-10 |
Family
ID=30710921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15287584U Pending JPS6168599U (en) | 1984-10-09 | 1984-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6168599U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53107326A (en) * | 1977-02-28 | 1978-09-19 | Matsushita Electric Works Ltd | Ultrasonic horn |
-
1984
- 1984-10-09 JP JP15287584U patent/JPS6168599U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53107326A (en) * | 1977-02-28 | 1978-09-19 | Matsushita Electric Works Ltd | Ultrasonic horn |