JPH0175859U - - Google Patents
Info
- Publication number
- JPH0175859U JPH0175859U JP1987171299U JP17129987U JPH0175859U JP H0175859 U JPH0175859 U JP H0175859U JP 1987171299 U JP1987171299 U JP 1987171299U JP 17129987 U JP17129987 U JP 17129987U JP H0175859 U JPH0175859 U JP H0175859U
- Authority
- JP
- Japan
- Prior art keywords
- electrets
- differential amplification
- facing
- separates
- approaches
- 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.)
- Granted
Links
- 230000001133 acceleration Effects 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims 2
- 238000013459 approach Methods 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Pressure Sensors (AREA)
Description
第１図は本考案の一実施例による加速度センサ
の断面図、第２図は同実施例の付属回路を示す図
及び第３図は同実施例の動作特性を示す図である
。
５……板ばね、１０，１０ａ……エレクトレツ
ト、９，９ａ……錘、１２……プリント基板。
FIG. 1 is a sectional view of an acceleration sensor according to an embodiment of the present invention, FIG. 2 is a diagram showing an auxiliary circuit of the embodiment, and FIG. 3 is a diagram showing the operating characteristics of the embodiment. 5... Leaf spring, 10, 10a... Electret, 9, 9a... Weight, 12... Printed circuit board.
Claims (1)
てそれぞれ配置された同極性の２枚のエレクトレ
ツトと、これらのエレクトレツト間において対面
状態で接近・離反する可動電極と、この可動電極
に対する双方の前記エレクトレツト間のそれぞれ
の誘起電圧を入力信号とする差動増幅素子とを収
納し、その差動増幅出力を加速度信号として成る
加速度センサ。 Two electrets of the same polarity are placed in a case facing substrates spaced apart from each other, a movable electrode that approaches and separates from these electrets while facing each other, and a An acceleration sensor that includes a differential amplification element which receives the respective induced voltages between the two electrets as input signals, and whose differential amplification output is used as an acceleration signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17129987U JPH053984Y2 (en) | 1987-11-11 | 1987-11-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17129987U JPH053984Y2 (en) | 1987-11-11 | 1987-11-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0175859U true JPH0175859U (en) | 1989-05-23 |
| JPH053984Y2 JPH053984Y2 (en) | 1993-01-29 |
Family
ID=31463007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17129987U Expired - Lifetime JPH053984Y2 (en) | 1987-11-11 | 1987-11-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH053984Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005029012A1 (en) * | 2003-09-22 | 2005-03-31 | Hosiden Corporation | Vibration sensor |
| JP2006105948A (en) * | 2004-10-05 | 2006-04-20 | Kyowa Electron Instr Co Ltd | Strain-causing body, physical quantity/electrical quantity converter, and manufacturing method of the strain-causing body |
-
1987
- 1987-11-11 JP JP17129987U patent/JPH053984Y2/ja not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005029012A1 (en) * | 2003-09-22 | 2005-03-31 | Hosiden Corporation | Vibration sensor |
| JP2006105948A (en) * | 2004-10-05 | 2006-04-20 | Kyowa Electron Instr Co Ltd | Strain-causing body, physical quantity/electrical quantity converter, and manufacturing method of the strain-causing body |
| JP4574324B2 (en) * | 2004-10-05 | 2010-11-04 | 株式会社共和電業 | Strain generating body, physical quantity / electric quantity converter, and method of manufacturing strain generating body |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH053984Y2 (en) | 1993-01-29 |
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