JPH0247518U - - Google Patents
Info
- Publication number
- JPH0247518U JPH0247518U JP12540088U JP12540088U JPH0247518U JP H0247518 U JPH0247518 U JP H0247518U JP 12540088 U JP12540088 U JP 12540088U JP 12540088 U JP12540088 U JP 12540088U JP H0247518 U JPH0247518 U JP H0247518U
- Authority
- JP
- Japan
- Prior art keywords
- light receiving
- light
- encoder
- intensity distribution
- receiving elements
- 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
- 239000000758 substrate Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Optical Transform (AREA)
Description
第１図〜第３図は本考案のエンコーダの一実施
例を示す構成図、第４図および第５図は従来のエ
ンコーダの一例を示す構成図である。
１…コード板、ＳＴ１，ＳＴ２…スリツト列、
２ａ，３ａ，２ｂ，３ｂ…受光アレイ、Ａ１〜Ａ
４，Ｂ１〜Ｂ４，ａ１〜ａ４，ｂ１〜ｂ４…受光
素子、４，５…拡散光源、６，７，８…基板、Ｔ
１〜Ｔ１６…ボンデイングパツド。
1 to 3 are block diagrams showing one embodiment of the encoder of the present invention, and FIGS. 4 and 5 are block diagrams showing an example of a conventional encoder. 1... Code plate, ST1, ST2... Slit row,
2a, 3a, 2b, 3b...light receiving array, A1 to A
4, B1 to B4, a1 to a4, b1 to b4... Light receiving element, 4, 5... Diffused light source, 6, 7, 8... Substrate, T
1 to T16...Bonding pad.
Claims (1)
波状の光強度分布を形成するとともにこの光強度
分布を基準にして所定の位相差を持つように複数
の受光素子を配置するようにしたエンコーダにお
いて、前記複数の受光素子を全て１枚の基板上に
形成するようにしてなるエンコーダ。 In an encoder in which a sinusoidal light intensity distribution is formed on a light receiving surface by light passing through a slit array, and a plurality of light receiving elements are arranged so as to have a predetermined phase difference based on this light intensity distribution, An encoder in which all of the plurality of light receiving elements are formed on one substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12540088U JPH0247518U (en) | 1988-09-26 | 1988-09-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12540088U JPH0247518U (en) | 1988-09-26 | 1988-09-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0247518U true JPH0247518U (en) | 1990-03-30 |
Family
ID=31375979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12540088U Pending JPH0247518U (en) | 1988-09-26 | 1988-09-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0247518U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999032854A1 (en) * | 1997-12-19 | 1999-07-01 | Kabushiki Kaisha Yaskawa Denki | Encoder |
| WO2002075904A1 (en) * | 2001-03-16 | 2002-09-26 | Kabushiki Kaisha Yaskawa Denki | Method and apparatus for detecting vacuum position in vacuum motor |
-
1988
- 1988-09-26 JP JP12540088U patent/JPH0247518U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999032854A1 (en) * | 1997-12-19 | 1999-07-01 | Kabushiki Kaisha Yaskawa Denki | Encoder |
| WO2002075904A1 (en) * | 2001-03-16 | 2002-09-26 | Kabushiki Kaisha Yaskawa Denki | Method and apparatus for detecting vacuum position in vacuum motor |