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
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 |