JPS59179326U - Origin signal generator - Google Patents
Origin signal generatorInfo
- Publication number
- JPS59179326U JPS59179326U JP7334283U JP7334283U JPS59179326U JP S59179326 U JPS59179326 U JP S59179326U JP 7334283 U JP7334283 U JP 7334283U JP 7334283 U JP7334283 U JP 7334283U JP S59179326 U JPS59179326 U JP S59179326U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- signal generator
- origin signal
- slit
- divided
- 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
- Optical Transform (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来技術を説明するための構成説明図、第２図
はその動作波形図、第３図は本考案に係る ４装置の
一例を示す要部の構成説明図、第４図はその動作波形図
である。
１．２・・・・・・符号板、１２・・・・・・基準位置
を示すスリット、５Ａ、 ５Ｂ・・・・・・光検出器
、６１・・・・・・差演算回路、６２・・・・・・和演
算回路。Fig. 1 is an explanatory diagram of the configuration for explaining the prior art, Fig. 2 is its operating waveform diagram, Fig. 3 is an explanatory diagram of the configuration of the main part showing an example of the four devices according to the present invention, and Fig. 4 is its diagram. It is an operation waveform diagram. 1.2... Code plate, 12... Slit indicating reference position, 5A, 5B... Photodetector, 61... Difference calculation circuit, 62・・・・・・Sum operation circuit.
Claims (1)
動符号板の変位方向と直角な方向に２分割され前記スリ
ットを通った光の量をそれぞれ検出する光検出器と、こ
の２分割した光検出器からの各信号の和信号と差信号を
得るとともに和信号が得られている間で差信号が零にな
る時点を検出しこの時点で原点位置を示すパルス信号を
出力する゛ 回路手段とを具備した原点信号発生装
置。A movable code plate having a slit that indicates a reference position, a photodetector that is divided into two in a direction perpendicular to the direction of displacement of the movable code plate and detects the amount of light that has passed through the slit, and the light that has been divided into two. A circuit means for obtaining a sum signal and a difference signal of each signal from the detector, detecting a point in time when the difference signal becomes zero while the sum signal is being obtained, and outputting a pulse signal indicating the origin position at this point. Origin signal generator equipped with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7334283U JPS59179326U (en) | 1983-05-17 | 1983-05-17 | Origin signal generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7334283U JPS59179326U (en) | 1983-05-17 | 1983-05-17 | Origin signal generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59179326U true JPS59179326U (en) | 1984-11-30 |
Family
ID=30203467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7334283U Pending JPS59179326U (en) | 1983-05-17 | 1983-05-17 | Origin signal generator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59179326U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5613246A (en) * | 1979-07-06 | 1981-02-09 | Hitachi Ltd | Difference in wheel revolution detection controller |
-
1983
- 1983-05-17 JP JP7334283U patent/JPS59179326U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5613246A (en) * | 1979-07-06 | 1981-02-09 | Hitachi Ltd | Difference in wheel revolution detection controller |
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