JPH0439603B2 - - Google Patents
Info
- Publication number
- JPH0439603B2 JPH0439603B2 JP58086391A JP8639183A JPH0439603B2 JP H0439603 B2 JPH0439603 B2 JP H0439603B2 JP 58086391 A JP58086391 A JP 58086391A JP 8639183 A JP8639183 A JP 8639183A JP H0439603 B2 JPH0439603 B2 JP H0439603B2
- Authority
- JP
- Japan
- Prior art keywords
- image sensor
- photodiode
- light
- signal
- phase
- 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 - Lifetime
Links
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 238000010586 diagram Methods 0.000 description 16
- 230000010363 phase shift Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 2
- 102100027340 Slit homolog 2 protein Human genes 0.000 description 1
- 101710133576 Slit homolog 2 protein Proteins 0.000 description 1
- 238000011949 advanced processing technology Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000004043 responsiveness 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)
- Optical Transform (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8639183A JPS59211822A (ja) | 1983-05-17 | 1983-05-17 | 変位変換器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8639183A JPS59211822A (ja) | 1983-05-17 | 1983-05-17 | 変位変換器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59211822A JPS59211822A (ja) | 1984-11-30 |
JPH0439603B2 true JPH0439603B2 (ru) | 1992-06-30 |
Family
ID=13885570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8639183A Granted JPS59211822A (ja) | 1983-05-17 | 1983-05-17 | 変位変換器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59211822A (ru) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4938265B2 (ja) * | 2004-09-03 | 2012-05-23 | ライカ ジオシステムズ アクチェンゲゼルシャフト | 回転角を正確に測定する方法及び装置 |
US7244928B2 (en) * | 2005-01-07 | 2007-07-17 | Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. | Optical encoder |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5219127B2 (ru) * | 1972-09-14 | 1977-05-26 | ||
JPS57169612A (en) * | 1981-04-13 | 1982-10-19 | Tokyo Optical Co Ltd | Photoelectric encoder |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5432826Y2 (ru) * | 1975-07-29 | 1979-10-11 | ||
JPS5597022U (ru) * | 1978-12-28 | 1980-07-05 |
-
1983
- 1983-05-17 JP JP8639183A patent/JPS59211822A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5219127B2 (ru) * | 1972-09-14 | 1977-05-26 | ||
JPS57169612A (en) * | 1981-04-13 | 1982-10-19 | Tokyo Optical Co Ltd | Photoelectric encoder |
Also Published As
Publication number | Publication date |
---|---|
JPS59211822A (ja) | 1984-11-30 |
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