JPH02115120U - - Google Patents
Info
- Publication number
- JPH02115120U JPH02115120U JP2420389U JP2420389U JPH02115120U JP H02115120 U JPH02115120 U JP H02115120U JP 2420389 U JP2420389 U JP 2420389U JP 2420389 U JP2420389 U JP 2420389U JP H02115120 U JPH02115120 U JP H02115120U
- Authority
- JP
- Japan
- Prior art keywords
- reflecting plate
- moving object
- sensor section
- light
- trough
- 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.)
- Pending
Links
Landscapes
- Optical Transform (AREA)
Description
第１図は一実施例を示す正面断面図、第２図は
同実施例の側面図、第３図、第４図及び第５図は
一実施例の動作を示す１個の樋状体凸面と投射光
の位置関係を示す断面図、第６図は従来のリニヤ
エンコーダを示す正面断面図である。
８……反射面、９……反射板、１０……移動板
、１１……発光部、１２，１３……レンズ、１５
……受光部、１６……集束光、１７……反射光、
２０……センサ部。
Fig. 1 is a front cross-sectional view showing one embodiment, Fig. 2 is a side view of the same embodiment, and Figs. 3, 4, and 5 are a convex surface of a trough-like body showing the operation of one embodiment. FIG. 6 is a front sectional view showing a conventional linear encoder. 8... Reflective surface, 9... Reflective plate, 10... Moving plate, 11... Light emitting section, 12, 13... Lens, 15
... Light receiving section, 16 ... Focused light, 17 ... Reflected light,
20...Sensor section.
Claims (1)
、その表面が反射面になつている反射板と、集束
光を前記反射板に投射する投射部及び前記反射板
からの正反射光を受光するように位置決めされた
受光部を有するセンサ部とを備え、前記反射板と
センサ部の一方が移動物体に取りつけられ、他方
が固定され、前記反射板の樋状体の軸方向が移動
物体の移動方向に対し直交する方向に配置されて
いるリニヤエンコーダ。 a reflecting plate in which convex or concave surfaces of a plurality of trough-like bodies are arranged in parallel and whose surface is a reflective surface; a projection unit that projects focused light onto the reflecting plate; and a receiving unit that receives specularly reflected light from the reflecting plate. a sensor section having a light receiving section positioned such that one of the reflecting plate and the sensor section is attached to a moving object, the other is fixed, and the axial direction of the gutter-like body of the reflecting plate is aligned with the moving object. A linear encoder placed in a direction perpendicular to the direction of movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2420389U JPH02115120U (en) | 1989-03-01 | 1989-03-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2420389U JPH02115120U (en) | 1989-03-01 | 1989-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02115120U true JPH02115120U (en) | 1990-09-14 |
Family
ID=31243855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2420389U Pending JPH02115120U (en) | 1989-03-01 | 1989-03-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02115120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022097399A1 (en) * | 2020-11-06 | 2022-05-12 | パナソニックＩｐマネジメント株式会社 | Encoder |
-
1989
- 1989-03-01 JP JP2420389U patent/JPH02115120U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022097399A1 (en) * | 2020-11-06 | 2022-05-12 | パナソニックＩｐマネジメント株式会社 | Encoder |
| US11982550B2 (en) | 2020-11-06 | 2024-05-14 | Panasonic Intellectual Property Management Co., Ltd. | Encoder |