JPH01107916U - - Google Patents
Info
- Publication number
- JPH01107916U JPH01107916U JP260788U JP260788U JPH01107916U JP H01107916 U JPH01107916 U JP H01107916U JP 260788 U JP260788 U JP 260788U JP 260788 U JP260788 U JP 260788U JP H01107916 U JPH01107916 U JP H01107916U
- Authority
- JP
- Japan
- Prior art keywords
- rotating shaft
- rotary encoder
- magnetic
- scale plate
- flange portion
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図は本考案の一実施例の概略断面図、第２
図は従来例の概略断面図である。
１…目盛盤、２…検出器、３…回転軸、４…軸
受、５…ハウジング、６…フランジ部、６ａ…磁
気目盛層。
Fig. 1 is a schematic sectional view of one embodiment of the present invention;
The figure is a schematic sectional view of a conventional example. DESCRIPTION OF SYMBOLS 1... Scale board, 2... Detector, 3... Rotating shaft, 4... Bearing, 5... Housing, 6... Flange part, 6a... Magnetic scale layer.
Claims (1)
磁気式ロータリーエンコーダにおいて、回転軸に
フランジ部を設け、該フランジ部の一部において
検出部と対向する面にプラスチツクマグネツト材
をインサート成型しフランジ部と一体とした目盛
盤とし、この目盛盤に磁気目盛を着磁して構成し
たことを特徴とする磁気式ロータリーエンコーダ
。 (2) 回転軸に設けられたフランジ部を軟磁性材
により構成した実用新案登録請求範囲第１項記載
の磁気式ロータリーエンコーダ。[Claims for Utility Model Registration] (1) In a magnetic rotary encoder having a scale plate fitted onto a rotating shaft, a flange portion is provided on the rotating shaft, and a portion of the flange portion faces a detection portion. A magnetic rotary encoder characterized in that a scale plate is formed by insert molding plastic magnet material on the surface and integrated with the flange part, and a magnetic scale is magnetized on the scale plate. (2) The magnetic rotary encoder according to claim 1, wherein the flange portion provided on the rotating shaft is made of a soft magnetic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP260788U JPH01107916U (en) | 1988-01-14 | 1988-01-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP260788U JPH01107916U (en) | 1988-01-14 | 1988-01-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01107916U true JPH01107916U (en) | 1989-07-20 |
Family
ID=31203518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP260788U Pending JPH01107916U (en) | 1988-01-14 | 1988-01-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01107916U (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58117411A (en) * | 1982-01-06 | 1983-07-13 | Hitachi Ltd | Structure of magnetic disk |
| JPS6197518A (en) * | 1984-10-19 | 1986-05-16 | Matsushita Electric Ind Co Ltd | Magnetic drum for magnetic type rotary encoder |
| JPS61243320A (en) * | 1985-04-22 | 1986-10-29 | Inoue Japax Res Inc | Magnetic encoder |
| JPS61274216A (en) * | 1985-05-30 | 1986-12-04 | Nippon Gakki Seizo Kk | Magnetic recording material for rotary encoder |
-
1988
- 1988-01-14 JP JP260788U patent/JPH01107916U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58117411A (en) * | 1982-01-06 | 1983-07-13 | Hitachi Ltd | Structure of magnetic disk |
| JPS6197518A (en) * | 1984-10-19 | 1986-05-16 | Matsushita Electric Ind Co Ltd | Magnetic drum for magnetic type rotary encoder |
| JPS61243320A (en) * | 1985-04-22 | 1986-10-29 | Inoue Japax Res Inc | Magnetic encoder |
| JPS61274216A (en) * | 1985-05-30 | 1986-12-04 | Nippon Gakki Seizo Kk | Magnetic recording material for rotary encoder |