JPS6046068U - rotation detection device - Google Patents
rotation detection deviceInfo
- Publication number
- JPS6046068U JPS6046068U JP13840483U JP13840483U JPS6046068U JP S6046068 U JPS6046068 U JP S6046068U JP 13840483 U JP13840483 U JP 13840483U JP 13840483 U JP13840483 U JP 13840483U JP S6046068 U JPS6046068 U JP S6046068U
- Authority
- JP
- Japan
- Prior art keywords
- detection device
- rotating member
- rotation detection
- rotating
- reel
- 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
Landscapes
- Optical Transform (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の電気的回転検出装置の一例を示、すブロ
ック図、第２図は本考案の回転検出装置の一実施例を示
すブロック図、第３図は第２図に示した回転検出装置の
動作状態を示すタイミングチャート図である。
２０・・・回転部材、２０Ａ・・・台形（凸部）、２１
・・・ホトカプラ、２２・・・計数部、２３・・・表示
部。Fig. 1 is a block diagram showing an example of a conventional electrical rotation detection device, Fig. 2 is a block diagram showing an embodiment of the rotation detection device of the present invention, and Fig. 3 is a block diagram showing an example of the rotation detection device of the present invention. FIG. 3 is a timing chart diagram showing the operating state of the detection device. 20... Rotating member, 20A... Trapezoid (convex part), 21
. . . Photocoupler, 22 . . . Counting section, 23 . . . Display section.
Claims (2)
出する回転検出装置において、外周部に複数の凸部を有
し、前記回転体にこのリールに同期して回転するように
取付けた回転部材と、この回転部材に近接して配置され
、回転する回転部材の外周部に照射した光を受光してパ
ルス状電気信号に変換するホトカプラとを具備したこと
を特徴とする回転検出装置。(1) A rotation detection device for detecting the rotation of a rotating body such as a reel for winding a magnetic tape, which has a plurality of protrusions on the outer circumference and is attached to the rotating body so as to rotate in synchronization with the reel. A rotation detection device comprising: a rotating member; and a photocoupler disposed close to the rotating member, which receives light irradiated onto the outer circumference of the rotating rotating member and converts it into a pulsed electrical signal.
対称形とし、且つ、この凸部の上面の周方向距離と凸部
と凸部を隔てる距離とを異なるものとし、前記回転体の
回転方向に対応して前記ホトカプラより発生する異なる
パルス列形状から、前記回転部材の回転方向を認識する
手段とを有した実用新案登録請求の範囲第１項記載の回
転検出装置。(2) The convex portion provided on the outer periphery of the rotating member is asymmetrical, and the distance in the circumferential direction of the upper surface of the convex portion is different from the distance separating the convex portions; 2. The rotation detection device according to claim 1, further comprising means for recognizing the rotational direction of the rotating member from different pulse train shapes generated by the photocoupler corresponding to the rotational direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13840483U JPS6046068U (en) | 1983-09-08 | 1983-09-08 | rotation detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13840483U JPS6046068U (en) | 1983-09-08 | 1983-09-08 | rotation detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6046068U true JPS6046068U (en) | 1985-04-01 |
Family
ID=30310555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13840483U Pending JPS6046068U (en) | 1983-09-08 | 1983-09-08 | rotation detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6046068U (en) |
-
1983
- 1983-09-08 JP JP13840483U patent/JPS6046068U/en active Pending
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