JPH0225817U - - Google Patents
Info
- Publication number
- JPH0225817U JPH0225817U JP10448888U JP10448888U JPH0225817U JP H0225817 U JPH0225817 U JP H0225817U JP 10448888 U JP10448888 U JP 10448888U JP 10448888 U JP10448888 U JP 10448888U JP H0225817 U JPH0225817 U JP H0225817U
- Authority
- JP
- Japan
- Prior art keywords
- plate material
- linear encoder
- main scale
- optical linear
- integrated
- 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
- 230000003287 optical effect Effects 0.000 claims 3
- 230000007935 neutral effect Effects 0.000 claims 1
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Transform (AREA)
Description
第１図は本考案によるメインスケールの断面図
、第２図は本考案の実施例における略示正面図、
第３図は他の実施例における略示正面図、第４図
は従来のメインスケールの曲がりにより生ずる誤
差を説明するための図、である。
主要部分の符号の説明、１…メインスケール、
２…目盛スケール、２Ａ…目盛面、３…補助板。
FIG. 1 is a sectional view of the main scale according to the present invention, FIG. 2 is a schematic front view of an embodiment of the present invention,
FIG. 3 is a schematic front view of another embodiment, and FIG. 4 is a diagram for explaining errors caused by bending of the conventional main scale. Explanation of the symbols of the main parts, 1...Main scale,
2...Graduation scale, 2A...Graduation surface, 3...Auxiliary plate.
Claims (1)
ケールにおいて、一方の面に目盛を形成された第
１の板材と該板材の前記一方の面上に重ね合わせ
て一体とされた透明な第２の板材とからなること
を特徴とする光学式リニアエンコーダのメインス
ケール。 (2) 前記第１の板材と前記第２の板材とを同一
の材質、断面形状としたことを特徴とする請求項
(1)記載の光学式リニアエンコーダのメインスケ
ール。 (3) 前記第１の板材と前記第２の板材とを異な
る材質とし、お互いを重ね合わせて一体としたと
き、その中立面が、前記第１の板材の目盛面と一
致するようにしたことを特徴とする請求項(1)記
載の光学式リニアエンコーダのメインスケール。[Claims for Utility Model Registration] (1) In a main scale used in an optical linear encoder, a first plate material having graduations formed on one surface and a first plate material overlaid on said one surface of the plate material are integrated. and a transparent second plate material. (2) A claim characterized in that the first plate material and the second plate material are made of the same material and have the same cross-sectional shape.
(1) Main scale of the optical linear encoder described. (3) The first plate material and the second plate material are made of different materials, and when they are overlapped and integrated, the neutral plane thereof coincides with the scale plane of the first plate material. The main scale of an optical linear encoder according to claim (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10448888U JPH0225817U (en) | 1988-08-06 | 1988-08-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10448888U JPH0225817U (en) | 1988-08-06 | 1988-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0225817U true JPH0225817U (en) | 1990-02-20 |
Family
ID=31336250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10448888U Pending JPH0225817U (en) | 1988-08-06 | 1988-08-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0225817U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011237309A (en) * | 2010-05-12 | 2011-11-24 | Mitsutoyo Corp | Measuring scale, optical displacement detection apparatus and method for manufacturing measuring scale |
-
1988
- 1988-08-06 JP JP10448888U patent/JPH0225817U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011237309A (en) * | 2010-05-12 | 2011-11-24 | Mitsutoyo Corp | Measuring scale, optical displacement detection apparatus and method for manufacturing measuring scale |