JPS6253316U - - Google Patents
Info
- Publication number
- JPS6253316U JPS6253316U JP14415885U JP14415885U JPS6253316U JP S6253316 U JPS6253316 U JP S6253316U JP 14415885 U JP14415885 U JP 14415885U JP 14415885 U JP14415885 U JP 14415885U JP S6253316 U JPS6253316 U JP S6253316U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- optical encoder
- fresnel lens
- light
- light emitting
- 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
- 230000003287 optical effect Effects 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Optical Transform (AREA)
Description
第１図は本考案のオプテイカルエンコーダの一
実施例の断面図、第２図は第１図の実施例中の受
光素子１０の外観図、第３図、第４図は本考案の
オプテイカルエンコーダの他の実施例の断面図、
第５図は第４図の実施例中の発光素子１６の外観
図、第６図は従来例の断面図、第７図は第６図の
従来例の発光素子、受光素子５，６の内部構造を
示す図である。
１……シヤフト、２……回転デイスク、３……
スリツト部、４……ＬＥＤケース、８……ベース
、９，１１，１６……発光素子、１０，１２，１
７……受光素子、９ａ……ＬＥＤ、１０ａ……フ
オトトランジスタ、９ｂ，１０ｂ……フルネルレ
ンズ、１０ｃ，１６ａ……スリツト、１３，１４
……基板、１５，１８……スペーサ。
FIG. 1 is a sectional view of an embodiment of the optical encoder of the present invention, FIG. 2 is an external view of the light receiving element 10 in the embodiment of FIG. 1, and FIGS. A cross-sectional view of another embodiment of the encoder,
5 is an external view of the light emitting device 16 in the embodiment shown in FIG. 4, FIG. 6 is a cross-sectional view of the conventional example, and FIG. 7 is the inside of the light emitting device and light receiving devices 5 and 6 of the conventional example shown in FIG. It is a figure showing a structure. 1...Shaft, 2...Rotating disk, 3...
Slit portion, 4... LED case, 8... Base, 9, 11, 16... Light emitting element, 10, 12, 1
7... Light receiving element, 9a... LED, 10a... Phototransistor, 9b, 10b... Fresnel lens, 10c, 16a... Slit, 13, 14
...Substrate, 15, 18...Spacer.
Claims (1)
たレンズを使用したオプテイカルエンコーダにお
いて、 レンズとしてフレネルレンズを備え、フレネル
レンズの平面側にはスリツトが形成されているこ
とを特徴とするオプテイカルエンコーダ。[Scope of Claim for Utility Model Registration] An optical encoder that uses a lens for the purpose of focusing light between a light emitting element and a light receiving element, which is equipped with a Fresnel lens as the lens, and a slit is formed on the flat side of the Fresnel lens. An optical encoder characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14415885U JPH0355855Y2 (en) | 1985-09-24 | 1985-09-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14415885U JPH0355855Y2 (en) | 1985-09-24 | 1985-09-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6253316U true JPS6253316U (en) | 1987-04-02 |
| JPH0355855Y2 JPH0355855Y2 (en) | 1991-12-13 |
Family
ID=31054508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14415885U Expired JPH0355855Y2 (en) | 1985-09-24 | 1985-09-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0355855Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005353630A (en) * | 2004-06-08 | 2005-12-22 | Sharp Corp | Photocoupler |
| JP2020067339A (en) * | 2018-10-23 | 2020-04-30 | ファナック株式会社 | Transmission type rotary encoder |
-
1985
- 1985-09-24 JP JP14415885U patent/JPH0355855Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005353630A (en) * | 2004-06-08 | 2005-12-22 | Sharp Corp | Photocoupler |
| JP2020067339A (en) * | 2018-10-23 | 2020-04-30 | ファナック株式会社 | Transmission type rotary encoder |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0355855Y2 (en) | 1991-12-13 |