JPS6447909A - Position detecting apparatus - Google Patents
Position detecting apparatusInfo
- Publication number
- JPS6447909A JPS6447909A JP62205685A JP20568587A JPS6447909A JP S6447909 A JPS6447909 A JP S6447909A JP 62205685 A JP62205685 A JP 62205685A JP 20568587 A JP20568587 A JP 20568587A JP S6447909 A JPS6447909 A JP S6447909A
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- decreased
- increased
- temperature
- voltage
- 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
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Control Of Stepping Motors (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
PURPOSE:To stabilize position detecting accuracy with respect to temperature change by a simple constitution, by providing a resistor and a temperature sensitive resistor, which divide the voltage of a reference voltage source with the resistances. CONSTITUTION:This apparatus in constituted with the following parts: a resistor 2 and a temperature sensitive resistor 3, which divide the voltage of a reference voltage source; a magnetoresistance effect element 4, which detect a position based on the change in magnetic field; a resistor 5, which is connected to the element 4; and an operation amplifier 6, which receives the voltage-divided potentials of the resistors 2 and 3 (or the element 4 and the resistor 5) as positive (or negative) inputs and imparts an output current to the element 4 and the resistor 5. Thus, the electric resistance of the resistor 3 is increased (or decreased) by the increase( or decrease) in temperature. The positive input potential of the amplifier 6 is increased (or decreased) by about (-)1,000ppm/ deg.C. Therefore, the current flowing through the element 4 is increased (or decreased) by about (-)1,000ppm/ deg.C. Thus, the temperature change in the output of the element 4 can be offset, and the position detection characterized by stable detecting accuracy can be performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62205685A JPS6447909A (en) | 1987-08-19 | 1987-08-19 | Position detecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62205685A JPS6447909A (en) | 1987-08-19 | 1987-08-19 | Position detecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6447909A true JPS6447909A (en) | 1989-02-22 |
Family
ID=16511005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62205685A Pending JPS6447909A (en) | 1987-08-19 | 1987-08-19 | Position detecting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6447909A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01270613A (en) * | 1988-04-22 | 1989-10-27 | Hitachi Ltd | Apparatus for magnetically detecting position or speed |
| JPH0577709U (en) * | 1992-03-25 | 1993-10-22 | 三輪精機株式会社 | Temperature compensator for potentiometer |
| DE102014110805A1 (en) * | 2014-07-30 | 2016-02-04 | C. & E. Fein Gmbh | Stand arrangement for an electrical machine |
-
1987
- 1987-08-19 JP JP62205685A patent/JPS6447909A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01270613A (en) * | 1988-04-22 | 1989-10-27 | Hitachi Ltd | Apparatus for magnetically detecting position or speed |
| JPH0577709U (en) * | 1992-03-25 | 1993-10-22 | 三輪精機株式会社 | Temperature compensator for potentiometer |
| DE102014110805A1 (en) * | 2014-07-30 | 2016-02-04 | C. & E. Fein Gmbh | Stand arrangement for an electrical machine |
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