JPS6437619U - - Google Patents
Info
- Publication number
- JPS6437619U JPS6437619U JP13147687U JP13147687U JPS6437619U JP S6437619 U JPS6437619 U JP S6437619U JP 13147687 U JP13147687 U JP 13147687U JP 13147687 U JP13147687 U JP 13147687U JP S6437619 U JPS6437619 U JP S6437619U
- Authority
- JP
- Japan
- Prior art keywords
- light receiving
- emitting element
- optical
- light
- cover
- 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 10
- 210000000078 claw Anatomy 0.000 description 1
Landscapes
- Optical Transform (AREA)
Description
第１図は本考案の第１実施例の構成を示す分解
斜視図、第２図は同実施例の要部の構成を示す断
面図、第３図は本考案の他の実施例の要部の構成
を示す断面図である。
１……電気回路基板、５……ロータリースイツ
チ、７……操作軸、８……コード板、８ａ……ス
リツト、１３……カバー、１４ａ……嵌合孔、１
４ｂ……係止孔、１５ａ……脚部、１５ｂ……弾
性係合片、１５ｃ……係合爪、２０……受発光素
子、２１……梨地面、２２……傾斜面。
Fig. 1 is an exploded perspective view showing the structure of a first embodiment of the present invention, Fig. 2 is a sectional view showing the structure of the main part of the same embodiment, and Fig. 3 is a main part of another embodiment of the invention. FIG. DESCRIPTION OF SYMBOLS 1... Electric circuit board, 5... Rotary switch, 7... Operating shaft, 8... Code plate, 8a... Slit, 13... Cover, 14a... Fitting hole, 1
4b... Locking hole, 15a... Leg portion, 15b... Elastic engagement piece, 15c... Engagement claw, 20... Receiving/emitting element, 21... Satin surface, 22... Inclined surface.
Claims (1)
され、前記受発光素子からの光の受光面にスリツ
トが形成された光学スケールとを有し、該光学ス
ケールからの反射光が前記受発光素子で検出され
る光学式ロータリーエンコーダにおいて、前記光
学スケールを囲むように前記受発光素子からの光
の前記スリツトの通過光の受光面となるカバーが
配設され、該カバーの少なくとも前記受発光素子
との対向位置には、前記通過光を前記受発光素子
以外の方向に反射する光路変更部が設けられてな
ることを特徴とする光学式ロータリーエンコーダ
。 (2) 前記光路変更部が、前記カバーに形成され
た梨地面であることを特徴とする実用新案登録請
求の範囲第(1)項記載の光学式ロータリーエンコ
ーダ。 (3) 前記光路変更部が、前記カバーに形成され
た傾斜面であることを特徴とする実用新案登録請
求の範囲第(1)項記載の光学式ロータリーエンコ
ーダ。[Claims for Utility Model Registration] (1) Comprising a light receiving/emitting element and an optical scale disposed opposite to the light receiving/emitting element and having a slit formed on the receiving surface of the light from the light receiving/emitting element, In an optical rotary encoder in which light reflected from the optical scale is detected by the light receiving/emitting element, a cover is arranged to surround the optical scale and serving as a light receiving surface for light passing through the slit from the light receiving/emitting element. An optical rotary encoder, wherein the cover is provided with an optical path changing section that reflects the passing light in a direction other than the light receiving and emitting element, at least at a position facing the light receiving and emitting element. (2) The optical rotary encoder according to claim (1), wherein the optical path changing portion is a matte surface formed on the cover. (3) The optical rotary encoder according to claim 1, wherein the optical path changing portion is an inclined surface formed on the cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13147687U JPS6437619U (en) | 1987-08-31 | 1987-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13147687U JPS6437619U (en) | 1987-08-31 | 1987-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6437619U true JPS6437619U (en) | 1989-03-07 |
Family
ID=31387581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13147687U Pending JPS6437619U (en) | 1987-08-31 | 1987-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6437619U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014065404A1 (en) * | 2012-10-26 | 2014-05-01 | シチズン千葉精密株式会社 | Position transducer |
-
1987
- 1987-08-31 JP JP13147687U patent/JPS6437619U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014065404A1 (en) * | 2012-10-26 | 2014-05-01 | シチズン千葉精密株式会社 | Position transducer |
| JP2014102244A (en) * | 2012-10-26 | 2014-06-05 | Citizen Chiba Precision Co Ltd | Position converter |
| US9097561B2 (en) | 2012-10-26 | 2015-08-04 | Citizen Chiba Precision Co., Ltd. | Position transducer |
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