JPH01165414U - - Google Patents
Info
- Publication number
- JPH01165414U JPH01165414U JP6224988U JP6224988U JPH01165414U JP H01165414 U JPH01165414 U JP H01165414U JP 6224988 U JP6224988 U JP 6224988U JP 6224988 U JP6224988 U JP 6224988U JP H01165414 U JPH01165414 U JP H01165414U
- Authority
- JP
- Japan
- Prior art keywords
- sampler
- converter
- signal generator
- correction signal
- position detector
- 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
- 238000005070 sampling Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図ａ，ｂは本考案のリフアレンス電圧変動
除去のための説明図、第２図ａ，ｂは、本考案の
２次高調波分を出力から除くための説明図、第３
図は一実施例のブロツク図、第４図ａ，ｂは従来
のリフアレンス電圧に係る説明図、第５図ａ，ｂ
は２次高調波に係る説明図である。
図中、１は位置検出器、３はＡ／Ｄ変換器、５
はサンプリングタイミング作成器、６は搬送周期
作成器、７はサンプリング器、９は修正信号作成
器である。
Figures 1a and b are explanatory diagrams for removing reference voltage fluctuations according to the present invention; Figures 2a and b are explanatory diagrams for removing second harmonic components from the output according to the present invention;
The figure is a block diagram of one embodiment, Figures 4a and b are explanatory diagrams related to conventional reference voltage, and Figures 5a and b
is an explanatory diagram related to second harmonics. In the figure, 1 is a position detector, 3 is an A/D converter, and 5 is a position detector.
6 is a sampling timing generator, 6 is a transport cycle generator, 7 is a sampler, and 9 is a correction signal generator.
Claims (1)
グ量をデイジタル量に変換するＡ／Ｄ変換器と、 このＡ／Ｄ変換器によるデイジタル量を搬送波
の１周期に２回サンプリングするサンプリング器
と、 このサンプリング器によるサンプリングデータ
から上記搬送波の１周期にて平均値を得る修正信
号作成器と、 を有する位置検出装置。[Claims for Utility Model Registration] An A/D converter that converts an analog quantity detected by an electromagnetic coupling type position detector into a digital quantity; A position detection device comprising: a sampler that performs sampling once; and a correction signal generator that obtains an average value in one cycle of the carrier wave from data sampled by the sampler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6224988U JPH01165414U (en) | 1988-05-13 | 1988-05-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6224988U JPH01165414U (en) | 1988-05-13 | 1988-05-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01165414U true JPH01165414U (en) | 1989-11-20 |
Family
ID=31287878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6224988U Pending JPH01165414U (en) | 1988-05-13 | 1988-05-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01165414U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002162257A (en) * | 2000-11-24 | 2002-06-07 | Futaba Corp | Linear scale |
-
1988
- 1988-05-13 JP JP6224988U patent/JPH01165414U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002162257A (en) * | 2000-11-24 | 2002-06-07 | Futaba Corp | Linear scale |
| JP4683511B2 (en) * | 2000-11-24 | 2011-05-18 | ハイデンハイン株式会社 | Linear scale |
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