JPH01154490U - - Google Patents
Info
- Publication number
- JPH01154490U JPH01154490U JP5180688U JP5180688U JPH01154490U JP H01154490 U JPH01154490 U JP H01154490U JP 5180688 U JP5180688 U JP 5180688U JP 5180688 U JP5180688 U JP 5180688U JP H01154490 U JPH01154490 U JP H01154490U
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- powder
- ultrasonic receiver
- receiver
- oscillator
- 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
- 239000000843 powder Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
Description
第１図はこの考案の実施例における超音波発振
子と超音波受信子の配置図、第２図Ａ及びＢは定
在波の発生を説明するための従来の粉体検出装置
の超音波発振子と超音波受信子の配置図、第３図
は粉体検出装置の一般的な構成を説明するための
回路図である。
１：粉体容器、２：超音波発振子、３：超音波
受信子、１２：発振波、１３：反射波、１４：定
在波。
Fig. 1 is a layout diagram of an ultrasonic oscillator and an ultrasonic receiver in an embodiment of this invention, and Fig. 2 A and B are ultrasonic oscillations of a conventional powder detection device to explain the generation of standing waves. FIG. 3 is a circuit diagram for explaining the general configuration of the powder detection device. 1: Powder container, 2: Ultrasonic oscillator, 3: Ultrasonic receiver, 12: Oscillation wave, 13: Reflected wave, 14: Standing wave.
Claims (1)
対向して配置され、前記超音波受信子の超音波受
信出力に基づいて前記粉体容器内の粉体の有無を
検出する粉体検出装置において、超音波発振子と
超音波受信子とを互いに傾斜させて対向させたこ
とを特徴とする粉体検出装置。 An ultrasonic oscillator and an ultrasonic receiver are disposed facing each other in a powder container, and the presence or absence of powder in the powder container is detected based on the ultrasonic reception output of the ultrasonic receiver. A powder detection device characterized in that an ultrasonic oscillator and an ultrasonic receiver are tilted and face each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5180688U JPH01154490U (en) | 1988-04-18 | 1988-04-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5180688U JPH01154490U (en) | 1988-04-18 | 1988-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01154490U true JPH01154490U (en) | 1989-10-24 |
Family
ID=31277821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5180688U Pending JPH01154490U (en) | 1988-04-18 | 1988-04-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01154490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0620142A (en) * | 1992-07-03 | 1994-01-28 | Kubota Corp | Sold-out detecting device of automatic vending machine |
-
1988
- 1988-04-18 JP JP5180688U patent/JPH01154490U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0620142A (en) * | 1992-07-03 | 1994-01-28 | Kubota Corp | Sold-out detecting device of automatic vending machine |
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