JPS58150804A - 光学的位置検出装置 - Google Patents
光学的位置検出装置Info
- Publication number
- JPS58150804A JPS58150804A JP3330782A JP3330782A JPS58150804A JP S58150804 A JPS58150804 A JP S58150804A JP 3330782 A JP3330782 A JP 3330782A JP 3330782 A JP3330782 A JP 3330782A JP S58150804 A JPS58150804 A JP S58150804A
- Authority
- JP
- Japan
- Prior art keywords
- image sensor
- pattern
- scale plate
- light
- optical position
- 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 claims description 12
- 238000001514 detection method Methods 0.000 claims description 7
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000007781 pre-processing Methods 0.000 description 2
- 241000668842 Lepidosaphes gloverii Species 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Optical Transform (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3330782A JPS58150804A (ja) | 1982-03-03 | 1982-03-03 | 光学的位置検出装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3330782A JPS58150804A (ja) | 1982-03-03 | 1982-03-03 | 光学的位置検出装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1582587A Division JPS6333603A (ja) | 1987-01-24 | 1987-01-24 | 光学的位置検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58150804A true JPS58150804A (ja) | 1983-09-07 |
JPS6232403B2 JPS6232403B2 (ru) | 1987-07-14 |
Family
ID=12382894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3330782A Granted JPS58150804A (ja) | 1982-03-03 | 1982-03-03 | 光学的位置検出装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58150804A (ru) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS633220A (ja) * | 1986-06-23 | 1988-01-08 | Keihin Densokuki Kk | 光学式リニアスケ−ル |
JPS6333603A (ja) * | 1987-01-24 | 1988-02-13 | Keihin Densokuki Kk | 光学的位置検出装置 |
EP0350158A2 (en) * | 1988-07-08 | 1990-01-10 | Parker Hannifin Corporation | Position sensing device |
US5258931A (en) * | 1988-07-08 | 1993-11-02 | Parker-Hannifin Corporation | Precision electronic absolute and relative position sensing device and method of using same |
JP2008014739A (ja) * | 2006-07-05 | 2008-01-24 | Mitsutoyo Corp | 二次元エンコーダ、及び、そのスケール |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5185737A (ja) * | 1974-12-27 | 1976-07-27 | Yokogawa Electric Works Ltd | Henihenkanki |
-
1982
- 1982-03-03 JP JP3330782A patent/JPS58150804A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5185737A (ja) * | 1974-12-27 | 1976-07-27 | Yokogawa Electric Works Ltd | Henihenkanki |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS633220A (ja) * | 1986-06-23 | 1988-01-08 | Keihin Densokuki Kk | 光学式リニアスケ−ル |
JPS6333603A (ja) * | 1987-01-24 | 1988-02-13 | Keihin Densokuki Kk | 光学的位置検出装置 |
EP0350158A2 (en) * | 1988-07-08 | 1990-01-10 | Parker Hannifin Corporation | Position sensing device |
US5258931A (en) * | 1988-07-08 | 1993-11-02 | Parker-Hannifin Corporation | Precision electronic absolute and relative position sensing device and method of using same |
JP2008014739A (ja) * | 2006-07-05 | 2008-01-24 | Mitsutoyo Corp | 二次元エンコーダ、及び、そのスケール |
Also Published As
Publication number | Publication date |
---|---|
JPS6232403B2 (ru) | 1987-07-14 |
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