JPS6037814U - travel distance reader - Google Patents
travel distance readerInfo
- Publication number
- JPS6037814U JPS6037814U JP12886183U JP12886183U JPS6037814U JP S6037814 U JPS6037814 U JP S6037814U JP 12886183 U JP12886183 U JP 12886183U JP 12886183 U JP12886183 U JP 12886183U JP S6037814 U JPS6037814 U JP S6037814U
- Authority
- JP
- Japan
- Prior art keywords
- scale
- light
- reading
- scale plate
- detection 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.)
- 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図は本考案の一実施例を示す概略斜視図、第２図は
移動距離読取装置の概略縦断面図、第３図は目盛読取部
を示す拡大正面図、第４図は一方の光検出手段が一方向
に移動した場合の目盛板とスリットの対向状態の変化と
入射光量との関係を示す説明図、第５図は他方の光検出
手段が一方向に移動した場合の目盛板とスリットの対向
状態の変化と入射光量との関係を示す説明図、第６図は
上記各光検出手段が一方向に移動した場合の各受光米子
の検出信号を示す波形図、第７図は上記一方の光検出手
段が他方向に移動した場合の目盛板とスリットの対向状
態の変化と入射光量との関係を示す説明図、第８図は上
記他方の光検出手段が ′他方向に移動した場合の
目盛板とスリットの対向状態の変化と入射光量との関係
を示す説明図、第９図は上記各光検出手段が他方向に移
動した場合の各受光素子の検出信号を示す波形図、第１
０図は読取回路部を示すブロック線図である。
１・・・目盛板、２・・・目盛読取部、３・・・目盛パ
ターン、４・・・光源、５・・・反射部、６，７・・・
光検出手段、６ａ、７ａ・・・筐体、８，９・・・受光
素子、１０．１１・・・スリット、１２・・・読取回路
部。Fig. 1 is a schematic perspective view showing an embodiment of the present invention, Fig. 2 is a schematic longitudinal cross-sectional view of a moving distance reading device, Fig. 3 is an enlarged front view showing a scale reading section, and Fig. 4 is a one-way light beam. An explanatory diagram showing the relationship between the change in the facing state of the scale plate and the slit and the amount of incident light when the detection means moves in one direction. An explanatory diagram showing the relationship between the change in the facing state of the slits and the amount of incident light. Figure 6 is a waveform diagram showing the detection signal of each light receiving Yonago when each of the above-mentioned light detection means moves in one direction. Figure 7 is the An explanatory diagram showing the relationship between the change in the opposing state of the scale plate and the slit and the amount of incident light when one of the light detection means moves in the other direction. FIG. 9 is an explanatory diagram showing the relationship between the change in the facing state of the scale plate and the slit and the amount of incident light in the case of FIG. 1st
FIG. 0 is a block diagram showing the reading circuit section. DESCRIPTION OF SYMBOLS 1... Scale plate, 2... Scale reading part, 3... Scale pattern, 4... Light source, 5... Reflection part, 6, 7...
Light detection means, 6a, 7a... Housing, 8, 9... Light receiving element, 10.11... Slit, 12... Reading circuit section.
Claims (1)
この目盛板に沿って相対移動する目盛読取部とを有し、
上記目盛読取部には光源を設けるとともにこの目盛読取
部の移動方向に沿った同一位置に少なくとも一対の光検
出手段を設け、これらの各光検出手段の筐体の上記目盛
板に対向する対向面に上記目盛と等間隔のスリットを形
成するとともに、内部に上記光源の目盛板からの反射光
を検出する受光素子を配し、この受光素子にて得られる
検出信号より上記目盛読取部の移動距離を算出する読取
回路部を設けてなる移動距離読取装置。, a reflective scale plate with scales arranged at equal intervals,
It has a scale reading part that moves relatively along this scale plate,
The scale reading section is provided with a light source, and at least one pair of light detection means is provided at the same position along the moving direction of the scale reading section, and the opposing surface of the housing of each of these light detection means is opposite to the scale plate. In addition to forming slits at equal intervals with the scale, a light-receiving element for detecting the reflected light from the scale plate of the light source is arranged inside, and the movement distance of the scale reading section is determined from the detection signal obtained by this light-receiving element. A moving distance reading device comprising a reading circuit section for calculating .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12886183U JPS6037814U (en) | 1983-08-20 | 1983-08-20 | travel distance reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12886183U JPS6037814U (en) | 1983-08-20 | 1983-08-20 | travel distance reader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6037814U true JPS6037814U (en) | 1985-03-15 |
Family
ID=30292176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12886183U Pending JPS6037814U (en) | 1983-08-20 | 1983-08-20 | travel distance reader |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6037814U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3462123A1 (en) * | 2017-09-27 | 2019-04-03 | Stanley Black & Decker, Inc. | Tape rule assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49106346A (en) * | 1973-02-09 | 1974-10-08 | ||
| JPS5215819U (en) * | 1975-07-22 | 1977-02-04 | ||
| JPS5483850A (en) * | 1977-11-25 | 1979-07-04 | Stanley Works | Measuring device |
| JPS57149912A (en) * | 1981-03-13 | 1982-09-16 | Nippon Telegr & Teleph Corp <Ntt> | Optical position detector |
-
1983
- 1983-08-20 JP JP12886183U patent/JPS6037814U/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49106346A (en) * | 1973-02-09 | 1974-10-08 | ||
| JPS5215819U (en) * | 1975-07-22 | 1977-02-04 | ||
| JPS5483850A (en) * | 1977-11-25 | 1979-07-04 | Stanley Works | Measuring device |
| JPS57149912A (en) * | 1981-03-13 | 1982-09-16 | Nippon Telegr & Teleph Corp <Ntt> | Optical position detector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3462123A1 (en) * | 2017-09-27 | 2019-04-03 | Stanley Black & Decker, Inc. | Tape rule assembly |
| US10859363B2 (en) | 2017-09-27 | 2020-12-08 | Stanley Black & Decker, Inc. | Tape rule assembly with linear optical encoder for sensing human-readable graduations of length |
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