JPS63139608U - - Google Patents
Info
- Publication number
- JPS63139608U JPS63139608U JP2946987U JP2946987U JPS63139608U JP S63139608 U JPS63139608 U JP S63139608U JP 2946987 U JP2946987 U JP 2946987U JP 2946987 U JP2946987 U JP 2946987U JP S63139608 U JPS63139608 U JP S63139608U
- Authority
- JP
- Japan
- Prior art keywords
- position detection
- disc
- grooves
- main
- sub
- 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 8
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Control Of Position Or Direction (AREA)
Description
第１図イは、この考案の回転制御機構の一実施
例を示す平面からの構成説明図、第１図ロは同じ
く側面からの構成説明図、第２図は従来の回転制
御機構を例示する第１図相当図である。
１……回転制御機構、２……円板、３……回転
駆動部、４……受光器、５……光源、６……制御
部、４１，４２，４３……フオトセンサ、Ａ〜Ｄ
……主位置検出列（切欠）、Ｅ〜Ｇ……第１の副
位置検出列（貫通溝）、Ｈ，Ｉ……第２の副位置
検出列（貫通溝）。
Figure 1A is an explanatory view of the configuration from a plane showing one embodiment of the rotation control mechanism of this invention, Figure 1B is an explanatory view of the configuration from the side, and Figure 2 illustrates a conventional rotation control mechanism. This is a diagram equivalent to Figure 1. DESCRIPTION OF SYMBOLS 1... Rotation control mechanism, 2... Disc, 3... Rotation drive unit, 4... Light receiver, 5... Light source, 6... Control unit, 41, 42, 43... Photo sensor, A to D
...Main position detection row (notch), E to G...First sub position detection row (through groove), H, I...Second sub position detection row (through groove).
Claims (1)
た複数の切欠又は溝からなる主位置検出列、 (c) 上記主位置検出列よりも内側で中心から一
定長離れた回転面領域に各々所定間隔で設けられ
た複数の溝からなる少なくとも一つの副位置検出
列、 (d) 円板の半径位置上に対向して列設されてな
り、円板回転時に上記主及び副位置検出列の切欠
又は溝を各検出列毎に検知しうる複数のセンサ、 を備え、上記センサの出力に基づいて回転駆動部
を制御しうるよう構成されてなる回転制御機構。[Claims for Utility Model Registration] (a) A disc equipped with a rotational drive unit, (b) A main position detection array consisting of a plurality of notches or grooves each provided at a predetermined interval on the periphery of the disc, (c ) at least one sub-position detection row consisting of a plurality of grooves each provided at a predetermined interval in a region of the rotating surface located a certain distance from the center inside the main position detection row; (d) on the radial position of the disc; a plurality of sensors arranged in rows facing each other and capable of detecting the notches or grooves of the main and sub-position detection rows for each detection row when the disc rotates; A rotation control mechanism configured to control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2946987U JPS63139608U (en) | 1987-02-28 | 1987-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2946987U JPS63139608U (en) | 1987-02-28 | 1987-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63139608U true JPS63139608U (en) | 1988-09-14 |
Family
ID=30833379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2946987U Pending JPS63139608U (en) | 1987-02-28 | 1987-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63139608U (en) |
-
1987
- 1987-02-28 JP JP2946987U patent/JPS63139608U/ja active Pending
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