JPH0221559U - - Google Patents
Info
- Publication number
- JPH0221559U JPH0221559U JP9920488U JP9920488U JPH0221559U JP H0221559 U JPH0221559 U JP H0221559U JP 9920488 U JP9920488 U JP 9920488U JP 9920488 U JP9920488 U JP 9920488U JP H0221559 U JPH0221559 U JP H0221559U
- Authority
- JP
- Japan
- Prior art keywords
- rotation
- rotor
- detecting
- detection device
- detected 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 description 6
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
Landscapes
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Description
第１図は本考案になる回転検出装置の一実施例
が適用されたリール駆動機構の縦断面図、第２図
はフオトセンサ及び反射シートを説明するための
平面図、第３図は本考案の変形例の縦断面図、第
４図及び第５図は従来の回転検出装置が適用され
たリール駆動機構の平面図、正面図である。
８……マグネツト、１０……フオトセンサ、１
２……シヤーシ、１７，２０……基板、１８……
反射シート、１９……回転検出装置。
FIG. 1 is a longitudinal cross-sectional view of a reel drive mechanism to which an embodiment of the rotation detection device of the present invention is applied, FIG. A longitudinal sectional view of a modified example, and FIGS. 4 and 5 are a plan view and a front view of a reel drive mechanism to which a conventional rotation detection device is applied. 8...Magnet, 10...Photo sensor, 1
2... Chassis, 17, 20... Board, 18...
Reflective sheet, 19... Rotation detection device.
Claims (1)
よりマグネツトを有するロータが回転され、該ロ
ータの回転を検出する回転検出装置において、 前記マグネツトの底面に回転検出用の被検出部
を設け、前記ロータの回転時前記被検出部の通過
により前記ロータの回転量を検出する検出部材を
前記略リング状のコイルの内周側に設けてなる回
転検出装置。[Claims for Utility Model Registration] A rotation detection device for detecting the rotation of a rotor having a magnet rotated by a plurality of substantially ring-shaped coils arranged on a substrate, comprising: a rotation detection device on the bottom surface of the magnet; A rotation detecting device comprising: a detected portion; and a detection member provided on the inner peripheral side of the substantially ring-shaped coil for detecting the amount of rotation of the rotor by passage of the detected portion during rotation of the rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9920488U JPH0221559U (en) | 1988-07-28 | 1988-07-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9920488U JPH0221559U (en) | 1988-07-28 | 1988-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0221559U true JPH0221559U (en) | 1990-02-13 |
Family
ID=31326144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9920488U Pending JPH0221559U (en) | 1988-07-28 | 1988-07-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0221559U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5815484B2 (en) * | 1974-12-18 | 1983-03-25 | 三菱化学株式会社 | Seizouhouhou |
-
1988
- 1988-07-28 JP JP9920488U patent/JPH0221559U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5815484B2 (en) * | 1974-12-18 | 1983-03-25 | 三菱化学株式会社 | Seizouhouhou |
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