JPS5660315A - Displacement converter - Google Patents
Displacement converterInfo
- Publication number
- JPS5660315A JPS5660315A JP13677579A JP13677579A JPS5660315A JP S5660315 A JPS5660315 A JP S5660315A JP 13677579 A JP13677579 A JP 13677579A JP 13677579 A JP13677579 A JP 13677579A JP S5660315 A JPS5660315 A JP S5660315A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- fixed
- operational amplifier
- simple structure
- switch means
- 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
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
PURPOSE: To give a stable temperature characteristic with a simple structure, by connecting a variable capacity and a reference capacity in series and by providing the operational amplifier, which can apply a constant voltage to one connection point, and a switch means switching at a fixed ratio.
CONSTITUTION: When switch means 16 is controlled according, to pulses, which are output from pulse generator 17 and have a fixed turning-on and off ratio, and has the short-circuit released, the same voltage as voltage VS of reference voltage source 15 is charged in reference capacitor CS, and voltage VC at point A becomes equal to voltage VS, and therefore, output voltage VO of operational amplifier 13 at this time becomes (1+CS/CX)VS, and the relation between the distance between fixed and moving electrodes for no pressure and movement quantity Δd of the moving electrode for pressure is expressed by CS/CX=1-Δd with the variable capacity value as CX, and VO=Δd.VS is obtained. As a result, the displacement converter of a stable temperature characteristic with a simple structure can be obtained.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13677579A JPS6029045B2 (en) | 1979-10-22 | 1979-10-22 | displacement transducer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13677579A JPS6029045B2 (en) | 1979-10-22 | 1979-10-22 | displacement transducer |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5660315A true JPS5660315A (en) | 1981-05-25 |
JPS6029045B2 JPS6029045B2 (en) | 1985-07-08 |
Family
ID=15183218
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13677579A Expired JPS6029045B2 (en) | 1979-10-22 | 1979-10-22 | displacement transducer |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6029045B2 (en) |
-
1979
- 1979-10-22 JP JP13677579A patent/JPS6029045B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS6029045B2 (en) | 1985-07-08 |
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