JPS5735715A - Detection of rotating movement - Google Patents
Detection of rotating movementInfo
- Publication number
- JPS5735715A JPS5735715A JP11124080A JP11124080A JPS5735715A JP S5735715 A JPS5735715 A JP S5735715A JP 11124080 A JP11124080 A JP 11124080A JP 11124080 A JP11124080 A JP 11124080A JP S5735715 A JPS5735715 A JP S5735715A
- Authority
- JP
- Japan
- Prior art keywords
- circular ring
- width
- whose
- ring pattern
- laser beam
- 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
- 238000001514 detection method Methods 0.000 title 1
- 239000000758 substrate Substances 0.000 abstract 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Transform (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11124080A JPS5735715A (en) | 1980-08-13 | 1980-08-13 | Detection of rotating movement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11124080A JPS5735715A (en) | 1980-08-13 | 1980-08-13 | Detection of rotating movement |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5735715A true JPS5735715A (en) | 1982-02-26 |
JPH0321849B2 JPH0321849B2 (ja) | 1991-03-25 |
Family
ID=14556124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11124080A Granted JPS5735715A (en) | 1980-08-13 | 1980-08-13 | Detection of rotating movement |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5735715A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994008208A3 (en) * | 1992-10-02 | 1994-06-09 | Philip K Chin | Optical displacement sensor |
-
1980
- 1980-08-13 JP JP11124080A patent/JPS5735715A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994008208A3 (en) * | 1992-10-02 | 1994-06-09 | Philip K Chin | Optical displacement sensor |
EP1033558A1 (en) * | 1992-10-02 | 2000-09-06 | CHIN, Philip | Optical displacement sensor |
Also Published As
Publication number | Publication date |
---|---|
JPH0321849B2 (ja) | 1991-03-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3419330A (en) | Diffraction grating angular rate sensor | |
US3983391A (en) | Optical encoder of the reflective type | |
US3708681A (en) | Position and velocity sensor | |
JPH04157319A (ja) | 影絵パターンを利用するエンコーダ | |
US3930734A (en) | Process and apparatus for sensing magnitude and direction of lateral displacement | |
JPS6449915A (en) | Shaft run-out insensitive type optical rotary encoder | |
JPS5735715A (en) | Detection of rotating movement | |
JPH06100467B2 (ja) | 近接センサ | |
JPS54102150A (en) | Position detecting device | |
JPS5412488A (en) | Method of detecting drum flange hole position | |
JPS5482260A (en) | Method and apparatus for detecting positions of rotating type | |
JPS5255657A (en) | Photoelectric type range finding system | |
JPS55154402A (en) | Shape measuring apparatus | |
JPS5618709A (en) | Method of measuring minute angle | |
JPS55162227A (en) | Microprojection exposure device | |
JPS5515047A (en) | Moving point detection method | |
JPS5694215A (en) | Noncontact position detector | |
US4256958A (en) | Apparatus for monitoring the optical quality of a beam of radiation | |
ATE64198T1 (de) | Positionsmessvorrichtung mit optischen gittern. | |
JPS5322759A (en) | Thickness de tector of plate form objects | |
SU1446472A1 (ru) | Устройство дл измерени малых зазоров между двум поверхност ми,одна из которых прозрачна | |
GB1586807A (en) | Method and apparatus for effecting contactless and continuous measurement of the position of a stationery or moving body of circular cross section | |
JPS542104A (en) | Face run-out detector of rotating bodies | |
JPS546510A (en) | Self-servo system of magnetic discs | |
JPS57104810A (en) | Attitude displacement measuring apparatus for horizontal excavator |