JPH01117772U - - Google Patents
Info
- Publication number
- JPH01117772U JPH01117772U JP59688U JP59688U JPH01117772U JP H01117772 U JPH01117772 U JP H01117772U JP 59688 U JP59688 U JP 59688U JP 59688 U JP59688 U JP 59688U JP H01117772 U JPH01117772 U JP H01117772U
- Authority
- JP
- Japan
- Prior art keywords
- movable magnet
- case
- storage space
- change
- detecting
- 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
- 230000001133 acceleration Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measuring Magnetic Variables (AREA)
Description
第１図は実施例に係る加速度センサの断面図、
第２図は加速度センサの検出回路を示す回路図、
第３図は従来例に係る加速度センサの断面図、第
４図は第３図の―線断面図である。
１５…ケース、１６…収納空間、１８…連通孔
、１９…可動磁石、２３…固定磁石、２５…検出
回路、２６，２７…磁気抵抗素子、３５…ボルテ
ージフオロア、３６…差動増幅器。
FIG. 1 is a cross-sectional view of an acceleration sensor according to an embodiment;
Figure 2 is a circuit diagram showing the detection circuit of the acceleration sensor.
FIG. 3 is a sectional view of a conventional acceleration sensor, and FIG. 4 is a sectional view taken along the line -- in FIG. 15... Case, 16... Storage space, 18... Communication hole, 19... Movable magnet, 23... Fixed magnet, 25... Detection circuit, 26, 27... Magnetoresistive element, 35... Voltage follower, 36... Differential amplifier.
Claims (1)
可動磁石と、 ケースの下端に設けられ、収納空間に可動磁石
を磁気的な反発力で保持させる磁界発生手段と、 ケースの外側に配置され、保持された位置から
の可動磁石の移動変化を電気的または磁気的な変
化として検出する検出手段とを備えたことを特徴
とする加速度センサ。[Scope of claim for utility model registration] A case that has a storage space inside, a movable magnet that is movably installed in the storage space of the case, and a movable magnet that is installed at the lower end of the case and that magnetically repels the movable magnet in the storage space. An acceleration device characterized by comprising a magnetic field generating means for holding the movable magnet by force, and a detecting means arranged outside the case for detecting a change in movement of the movable magnet from the held position as an electrical or magnetic change. sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59688U JPH01117772U (en) | 1988-01-08 | 1988-01-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59688U JPH01117772U (en) | 1988-01-08 | 1988-01-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01117772U true JPH01117772U (en) | 1989-08-09 |
Family
ID=31199765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59688U Pending JPH01117772U (en) | 1988-01-08 | 1988-01-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01117772U (en) |
-
1988
- 1988-01-08 JP JP59688U patent/JPH01117772U/ja active Pending
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