JPS5724817A - Reading device for optical type scale - Google Patents
Reading device for optical type scaleInfo
- Publication number
- JPS5724817A JPS5724817A JP10103580A JP10103580A JPS5724817A JP S5724817 A JPS5724817 A JP S5724817A JP 10103580 A JP10103580 A JP 10103580A JP 10103580 A JP10103580 A JP 10103580A JP S5724817 A JPS5724817 A JP S5724817A
- Authority
- JP
- Japan
- Prior art keywords
- light
- scale
- constitution
- lens
- diffraction
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/36—Forming the light into pulses
- G01D5/38—Forming the light into pulses by diffraction gratings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10103580A JPS5724817A (en) | 1980-07-23 | 1980-07-23 | Reading device for optical type scale |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10103580A JPS5724817A (en) | 1980-07-23 | 1980-07-23 | Reading device for optical type scale |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5724817A true JPS5724817A (en) | 1982-02-09 |
JPS6128923B2 JPS6128923B2 (ru) | 1986-07-03 |
Family
ID=14289903
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10103580A Granted JPS5724817A (en) | 1980-07-23 | 1980-07-23 | Reading device for optical type scale |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5724817A (ru) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5764717U (ru) * | 1980-10-06 | 1982-04-17 | ||
JPS61176817A (ja) * | 1985-01-31 | 1986-08-08 | Foster Denki Kk | エンコ−ダ |
JPS62121314A (ja) * | 1985-11-21 | 1987-06-02 | ドクトル・ヨハネス・ハイデンハイン・ゲゼルシヤフト・ミト・ベシユレンクテル・ハフツング | 光電位置測定装置 |
JPS63277922A (ja) * | 1987-05-11 | 1988-11-15 | Canon Inc | 測長装置 |
JPH01187406A (ja) * | 1988-01-22 | 1989-07-26 | Rikagaku Kenkyusho | 等間隔干渉縞の位置検出法ならびに位置検出装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111976327B (zh) | 2019-05-24 | 2022-07-05 | 佳能株式会社 | 用于处理片材的方法、装订方法和装订制品 |
-
1980
- 1980-07-23 JP JP10103580A patent/JPS5724817A/ja active Granted
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5764717U (ru) * | 1980-10-06 | 1982-04-17 | ||
JPS61176817A (ja) * | 1985-01-31 | 1986-08-08 | Foster Denki Kk | エンコ−ダ |
JPS62121314A (ja) * | 1985-11-21 | 1987-06-02 | ドクトル・ヨハネス・ハイデンハイン・ゲゼルシヤフト・ミト・ベシユレンクテル・ハフツング | 光電位置測定装置 |
JPH0130089B2 (ru) * | 1985-11-21 | 1989-06-16 | Dokutoru Yohanesu Haidenhain Gmbh | |
JPS63277922A (ja) * | 1987-05-11 | 1988-11-15 | Canon Inc | 測長装置 |
JPH0648169B2 (ja) * | 1987-05-11 | 1994-06-22 | キヤノン株式会社 | 測長装置 |
JPH01187406A (ja) * | 1988-01-22 | 1989-07-26 | Rikagaku Kenkyusho | 等間隔干渉縞の位置検出法ならびに位置検出装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS6128923B2 (ru) | 1986-07-03 |
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