JPS6212832U - - Google Patents
Info
- Publication number
- JPS6212832U JPS6212832U JP10466985U JP10466985U JPS6212832U JP S6212832 U JPS6212832 U JP S6212832U JP 10466985 U JP10466985 U JP 10466985U JP 10466985 U JP10466985 U JP 10466985U JP S6212832 U JPS6212832 U JP S6212832U
- Authority
- JP
- Japan
- Prior art keywords
- tension
- sound wave
- frequency
- stretched frame
- measuring instrument
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Description
第１図は本考案の基本的構成図、第２図は実施
例の概略斜視図、第３図はその電気系のブロツク
図、第４図はその周波数分析結果の１例を示す周
波数スペクトル図、第５図はその制御プログラム
のフローチヤートを示す。
Ｃ１……音波検出手段、Ｃ２……周波数分析手
段、Ｃ３……張力算出手段、１０……マイクロフ
オン、２０……本体、２１……ＣＰＵ、２４……
ＦＦＴ、３０……表示部。
Figure 1 is a basic configuration diagram of the present invention, Figure 2 is a schematic perspective view of an embodiment, Figure 3 is a block diagram of its electrical system, and Figure 4 is a frequency spectrum diagram showing an example of the frequency analysis results. , FIG. 5 shows a flowchart of the control program. C1... Sound wave detection means, C2... Frequency analysis means, C3... Tension calculation means, 10... Microphone, 20... Main body, 21... CPU, 24...
FFT, 30...display section.
Claims (1)
、 前記被張架体の振動により発生する音波を検出
する音波検出手段と、 該音波検出手段の検出結果を周波数分析する周
波数分析手段と、 該周波数分析手段により求められた前記音波の
固有振動数から前記被張架体の張力を算出する張
力算出手段と を備えることを特徴とする張力計測器。[Claims for Utility Model Registration] A tension measuring instrument for measuring the tension of a stretched frame, comprising: a sound wave detection means for detecting a sound wave generated by the vibration of the stretched frame; and a frequency detection result of the sound wave detection means. A tension measuring instrument comprising: a frequency analysis means for analyzing; and a tension calculation means for calculating the tension of the stretched frame from the natural frequency of the sound wave determined by the frequency analysis means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10466985U JPS6212832U (en) | 1985-07-09 | 1985-07-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10466985U JPS6212832U (en) | 1985-07-09 | 1985-07-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6212832U true JPS6212832U (en) | 1987-01-26 |
Family
ID=30978375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10466985U Pending JPS6212832U (en) | 1985-07-09 | 1985-07-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6212832U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01167624A (en) * | 1987-12-24 | 1989-07-03 | Canon Inc | Tension measuring instrument |
| JP2006098277A (en) * | 2004-09-30 | 2006-04-13 | Audio Technica Corp | Tension measuring instrument for diaphragm |
| JP2020085592A (en) * | 2018-11-21 | 2020-06-04 | 国立大学法人東京工業大学 | Load measuring device and load measurement method |
-
1985
- 1985-07-09 JP JP10466985U patent/JPS6212832U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01167624A (en) * | 1987-12-24 | 1989-07-03 | Canon Inc | Tension measuring instrument |
| JP2006098277A (en) * | 2004-09-30 | 2006-04-13 | Audio Technica Corp | Tension measuring instrument for diaphragm |
| JP2020085592A (en) * | 2018-11-21 | 2020-06-04 | 国立大学法人東京工業大学 | Load measuring device and load measurement method |
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