JPH0317530U - - Google Patents
Info
- Publication number
- JPH0317530U JPH0317530U JP7845689U JP7845689U JPH0317530U JP H0317530 U JPH0317530 U JP H0317530U JP 7845689 U JP7845689 U JP 7845689U JP 7845689 U JP7845689 U JP 7845689U JP H0317530 U JPH0317530 U JP H0317530U
- Authority
- JP
- Japan
- Prior art keywords
- spring
- converts
- outputs
- electrically connected
- drive circuit
- 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 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Dry Development In Electrophotography (AREA)
Description
第１図は本考案の圧電センサの実施例を示す断
面図、第２図は本実施例センサを粉体センサへ適
用した例を示す断面図、第３図は従来例を示す概
略図、第４図ａ，ｂ，ｃは従来例の問題点を説明
する概略図である。
１……圧電素子、３……振動板、８……スプリ
ング（リード線）、９……トナー容器。
FIG. 1 is a sectional view showing an embodiment of the piezoelectric sensor of the present invention, FIG. 2 is a sectional view showing an example in which the sensor of this embodiment is applied to a powder sensor, and FIG. 3 is a schematic diagram showing a conventional example. 4a, b, and c are schematic diagrams illustrating problems in the conventional example. 1... Piezoelectric element, 3... Vibration plate, 8... Spring (lead wire), 9... Toner container.
Claims (1)
して出力する圧電センサにおいて、圧電素子と駆
動回路との間をスプリングを介して電気的に接続
したことを特徴とする圧電センサ。 A piezoelectric sensor that detects changes in applied pressure, converts it into an electrical signal, and outputs it, characterized in that a piezoelectric element and a drive circuit are electrically connected via a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7845689U JPH0317530U (en) | 1989-07-03 | 1989-07-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7845689U JPH0317530U (en) | 1989-07-03 | 1989-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0317530U true JPH0317530U (en) | 1991-02-21 |
Family
ID=31621746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7845689U Pending JPH0317530U (en) | 1989-07-03 | 1989-07-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0317530U (en) |
-
1989
- 1989-07-03 JP JP7845689U patent/JPH0317530U/ja active Pending
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