JPH0342774B2 - - Google Patents
Info
- Publication number
- JPH0342774B2 JPH0342774B2 JP21899984A JP21899984A JPH0342774B2 JP H0342774 B2 JPH0342774 B2 JP H0342774B2 JP 21899984 A JP21899984 A JP 21899984A JP 21899984 A JP21899984 A JP 21899984A JP H0342774 B2 JPH0342774 B2 JP H0342774B2
- Authority
- JP
- Japan
- Prior art keywords
- plate
- light receiving
- receiving section
- light
- light source
- 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.)
- Expired
Links
- 230000005540 biological transmission Effects 0.000 claims description 14
- 239000000969 carrier Substances 0.000 claims description 7
- 238000002834 transmittance Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 5
- 230000010363 phase shift Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000012780 transparent material Substances 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
- G01D5/344—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 using polarisation
- G01D5/345—Polarising encoders
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21899984A JPS6196409A (ja) | 1984-10-18 | 1984-10-18 | 光電式角度検出器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21899984A JPS6196409A (ja) | 1984-10-18 | 1984-10-18 | 光電式角度検出器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6196409A JPS6196409A (ja) | 1986-05-15 |
| JPH0342774B2 true JPH0342774B2 (enrdf_load_stackoverflow) | 1991-06-28 |
Family
ID=16728677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21899984A Granted JPS6196409A (ja) | 1984-10-18 | 1984-10-18 | 光電式角度検出器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6196409A (enrdf_load_stackoverflow) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008241453A (ja) * | 2007-03-27 | 2008-10-09 | Nidec Copal Corp | 光学式エンコーダ |
| DE102015107908A1 (de) * | 2015-02-25 | 2016-08-25 | Günter Grau | Vorrichtung zur Messung von Drehwinkeln in Zählwerken und mehrstufigen Drehgebern sowie zugehörige Sensoren |
| KR102019681B1 (ko) | 2019-04-10 | 2019-09-09 | 주식회사 하이드텍 | 절삭유 복합 쿨런트 장치 |
| KR102019684B1 (ko) | 2019-04-10 | 2019-09-09 | 주식회사 하이드텍 | 절삭유의 재사용 방법 |
| CN112325802B (zh) * | 2020-10-23 | 2022-06-21 | 北京交通大学 | 基于共路差分和自校零的二维小角度激光测量方法与装置 |
-
1984
- 1984-10-18 JP JP21899984A patent/JPS6196409A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6196409A (ja) | 1986-05-15 |