JPS6323899U - - Google Patents
Info
- Publication number
- JPS6323899U JPS6323899U JP11561386U JP11561386U JPS6323899U JP S6323899 U JPS6323899 U JP S6323899U JP 11561386 U JP11561386 U JP 11561386U JP 11561386 U JP11561386 U JP 11561386U JP S6323899 U JPS6323899 U JP S6323899U
- Authority
- JP
- Japan
- Prior art keywords
- resistance value
- electrodes
- detects
- sensor head
- change
- 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 2
Landscapes
- Measurement Of Resistance Or Impedance (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
第１図は本考案の一実施例の構成図、第２図ａ
，ｂは同上の動作説明図である。
１……超音波振動子、２……センサヘツド、３
……電極、４……抵抗値検出回路、５……信号処
理回路。
Figure 1 is a configuration diagram of an embodiment of the present invention, Figure 2 a
, b are explanatory diagrams of the same operation. 1... Ultrasonic transducer, 2... Sensor head, 3
... Electrode, 4 ... Resistance value detection circuit, 5 ... Signal processing circuit.
Claims (1)
ンサヘツドに前記超音波振動子に近接して設けた
電極と、前記電極間の抵抗値変化を検出する抵抗
値検出回路と、前記抵抗値が通常より小さくなつ
たとき信号を出力する信号処理回路とを具備して
成る超音波センサヘツド付着物検出装置。 A sensor head that holds an ultrasonic transducer that transmits and receives ultrasonic waves includes an electrode provided close to the ultrasonic transducer, a resistance value detection circuit that detects a change in resistance value between the electrodes, and a resistance value detection circuit that detects a change in resistance value between the electrodes. An ultrasonic sensor head attachment detection device comprising a signal processing circuit that outputs a signal when the attachment becomes smaller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11561386U JPS6323899U (en) | 1986-07-28 | 1986-07-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11561386U JPS6323899U (en) | 1986-07-28 | 1986-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6323899U true JPS6323899U (en) | 1988-02-17 |
Family
ID=30999430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11561386U Pending JPS6323899U (en) | 1986-07-28 | 1986-07-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6323899U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH047255U (en) * | 1990-05-09 | 1992-01-23 | ||
| WO2020184165A1 (en) * | 2019-03-11 | 2020-09-17 | 株式会社デンソー | Ultrasonic sensor |
-
1986
- 1986-07-28 JP JP11561386U patent/JPS6323899U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH047255U (en) * | 1990-05-09 | 1992-01-23 | ||
| WO2020184165A1 (en) * | 2019-03-11 | 2020-09-17 | 株式会社デンソー | Ultrasonic sensor |
| JP2020148499A (en) * | 2019-03-11 | 2020-09-17 | 株式会社デンソー | Ultrasonic sensor |
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