JPH0325110U - - Google Patents
Info
- Publication number
- JPH0325110U JPH0325110U JP8526189U JP8526189U JPH0325110U JP H0325110 U JPH0325110 U JP H0325110U JP 8526189 U JP8526189 U JP 8526189U JP 8526189 U JP8526189 U JP 8526189U JP H0325110 U JPH0325110 U JP H0325110U
- Authority
- JP
- Japan
- Prior art keywords
- sin
- code plate
- light
- converter
- proportional
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Optical Transform (AREA)
Description
第１図は本考案にかかる角速度測定器の構成例
を示す図、第２図と第３図はコード板周辺の構成
を説明する図である。
１……コード板、２，３……光源、５ａ，６ａ
……受光アレイ、７……第１演算手段、８……第
２演算手段、９，１０……ＦＶ変換器、Ｒ１〜Ｒ
４……抵抗、Ｕ１……増幅器。
FIG. 1 is a diagram showing an example of the configuration of the angular velocity measuring device according to the present invention, and FIGS. 2 and 3 are diagrams explaining the configuration around the code plate. 1... Code plate, 2, 3... Light source, 5a, 6a
... Light receiving array, 7 ... First calculation means, 8 ... Second calculation means, 9, 10 ... FV converter, R1 to R
4...Resistor, U1...Amplifier.
Claims (1)
と、 光強度が（１＋ｓｉｎ ωｔ）と（１＋ｃｏｓ
ωｔ）で変化する拡散光を前記コード板に照射
する光源と、 スリツトを通過した光を光電変換し、コード板
の回転角に応じて位相θが変化する２つの信号ｃ
ｏｓ（ωｔ−θ）、ｓｉｎ（ωｔ＋θ）を演算出
力する手段と、 信号ｃｏｓ（ωｔ−θ）を導入し、周波数成分
である（ωｔ−θ）に比例した電圧Ｖ１を出力す
る第１のＦＶ変換器と、 信号ｓｉｎ（ωｔ＋θ）を導入し、周波数成分
である（ωｔ＋θ）に比例した電圧Ｖ２を出力す
る第２のＦＶ変換器と、 前記第１と第２のＦＶ変換器の出力を導入し、
これを差演算する差演算器と、 を備えた角速度測定器。[Claim for Utility Model Registration] A code plate in which slits and shielding parts are arranged alternately, and a light intensity of (1+sin ωt) and (1+cos
a light source that irradiates the code plate with diffused light that changes with ωt), and two signals c that photoelectrically convert the light that has passed through the slit and whose phase θ changes according to the rotation angle of the code plate.
means for calculating and outputting os(ωt-θ) and sin(ωt+θ); and a first means for introducing a signal cos(ωt-θ) and outputting a voltage V1 proportional to (ωt-θ), which is a frequency component. an FV converter; a second FV converter that introduces the signal sin(ωt+θ) and outputs a voltage V2 proportional to the frequency component (ωt+θ); and outputs of the first and second FV converters. introduced,
An angular velocity measuring device equipped with a difference calculator that calculates this difference, and .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8526189U JPH0325110U (en) | 1989-07-20 | 1989-07-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8526189U JPH0325110U (en) | 1989-07-20 | 1989-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0325110U true JPH0325110U (en) | 1991-03-14 |
Family
ID=31634298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8526189U Pending JPH0325110U (en) | 1989-07-20 | 1989-07-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0325110U (en) |
-
1989
- 1989-07-20 JP JP8526189U patent/JPH0325110U/ja active Pending
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