JPS6237733U - - Google Patents
Info
- Publication number
- JPS6237733U JPS6237733U JP13028185U JP13028185U JPS6237733U JP S6237733 U JPS6237733 U JP S6237733U JP 13028185 U JP13028185 U JP 13028185U JP 13028185 U JP13028185 U JP 13028185U JP S6237733 U JPS6237733 U JP S6237733U
- Authority
- JP
- Japan
- Prior art keywords
- sensor member
- display element
- adjustment resistor
- output adjustment
- pressure
- 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
- 238000009966 trimming Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Description
第１図は、本考案の実施例の圧力センサの断面
図、第２図は、圧力センサの一部切欠平面図、第
３図は回路図、第４図および第５図は、それぞれ
従来例の圧力センサの断面図、第６図は従来例の
圧力検出部の回路図である。
３…外装ケース、９…動作表示素子、１０…透
光部、Ｒ１，Ｒ２，Ｒ３，Ｒ４…センサ部材とし
てのストレーンゲージ、Ｒｐ，Ｒｓ，Ｒｆｂ…出
力調整用抵抗。
FIG. 1 is a sectional view of a pressure sensor according to an embodiment of the present invention, FIG. 2 is a partially cutaway plan view of the pressure sensor, FIG. 3 is a circuit diagram, and FIGS. 4 and 5 are conventional examples, respectively. FIG. 6 is a circuit diagram of a conventional pressure detection section. 3...Exterior case, 9...Operation display element, 10...Transparent part, R1 , R2 , R3 , R4 ...Strain gauge as a sensor member, Rp, Rs, Rfb...Resistance for output adjustment.
Claims (1)
と、 前記センサ部材の出力特性を調整する出力調整
用抵抗と、 前記センサ部材が設定圧力を感知したことを点
灯表示する動作表示素子と、 前記センサ部材、出力調整用抵抗および動作表
示素子を密閉封止する外装ケースとを備え、 前記外装ケースには、前記動作表示素子で発生
した光を透過するとともに前記出力調整用抵抗に
トリミングのためのレーザ光を照射可能な透光部
を備えたことを特徴とする圧力センサ。[Claims for Utility Model Registration] A sensor member that outputs a pressure change as a voltage change, an output adjustment resistor that adjusts the output characteristics of the sensor member, and an operation that lights up to indicate that the sensor member has sensed a set pressure. a display element; and an exterior case that hermetically seals the sensor member, the output adjustment resistor, and the operation display element, the exterior case transmits light generated by the operation display element and includes the output adjustment resistor. A pressure sensor characterized by having a transparent part that can be irradiated with a laser beam for trimming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13028185U JPS6237733U (en) | 1985-08-26 | 1985-08-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13028185U JPS6237733U (en) | 1985-08-26 | 1985-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6237733U true JPS6237733U (en) | 1987-03-06 |
Family
ID=31027628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13028185U Pending JPS6237733U (en) | 1985-08-26 | 1985-08-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6237733U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01259231A (en) * | 1988-04-09 | 1989-10-16 | Hitachi Ltd | semiconductor pressure sensor |
-
1985
- 1985-08-26 JP JP13028185U patent/JPS6237733U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01259231A (en) * | 1988-04-09 | 1989-10-16 | Hitachi Ltd | semiconductor pressure sensor |