JPH01133323U - - Google Patents
Info
- Publication number
- JPH01133323U JPH01133323U JP2963288U JP2963288U JPH01133323U JP H01133323 U JPH01133323 U JP H01133323U JP 2963288 U JP2963288 U JP 2963288U JP 2963288 U JP2963288 U JP 2963288U JP H01133323 U JPH01133323 U JP H01133323U
- Authority
- JP
- Japan
- Prior art keywords
- rotating body
- drawn
- sensing element
- circuit
- rotational direction
- 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 7
- 238000010586 diagram Methods 0.000 description 10
Description
第１図はリール台とフオトセンサの位置関係を
示す図、第２図は本考案の一実施例を示すリール
台に描かれたパターンを示す図、第３図は本考案
の一実施例を示すフオトセンサ検出回路の回路図
、第４図は本考案の一実施例を示す回転方向検出
回路のブロツク図、第５図はリール台が第２図に
示すＡ方向に回転した場合に回転方向検出回路内
の各回路が出力する信号を示す図、第６図はリー
ル台が第２図に示すＢ方向に回転した場合に回転
方向検出回路内の各回路が出力する信号を示す図
、第７図は、リール台に描かれるパターンの他の
実施例を示した図、第８図は従来のリール台の描
かれたパターンとフオトセンサの位置を示す図、
第９図ａはリール台を第８図のＡ方向に回転した
場合にフオトセンサが出力する信号を示す図、第
９図ｂはリール台を第８図のＢ方向に回転した場
合にフオトセンサが出力する信号を示す図である
。
１…リール台、２…フオトセンサ、５…フオト
センサ検出回路、６，８…単安定マルチバイブレ
ータ、７，９…Ｄタイプフリツプフロツプ。
Fig. 1 is a diagram showing the positional relationship between the reel stand and the photo sensor, Fig. 2 is a diagram showing a pattern drawn on the reel stand showing an embodiment of the present invention, and Fig. 3 is a diagram showing an embodiment of the present invention. A circuit diagram of a photo sensor detection circuit, FIG. 4 is a block diagram of a rotation direction detection circuit showing an embodiment of the present invention, and FIG. 5 is a circuit diagram of a rotation direction detection circuit when the reel stand rotates in direction A shown in FIG. Figure 6 is a diagram showing the signals output by each circuit in the rotation direction detection circuit when the reel stand rotates in the direction B shown in Figure 2, Figure 7 is a diagram showing the signals output by each circuit in the rotation direction detection circuit. 8 is a diagram showing another embodiment of the pattern drawn on the reel stand, and FIG. 8 is a diagram showing the pattern drawn on the conventional reel stand and the position of the photo sensor.
Fig. 9a shows the signal output by the photo sensor when the reel stand is rotated in the direction A in Fig. 8, and Fig. 9b shows the signal output by the photo sensor when the reel stand is rotated in the direction B in Fig. 8. FIG. 1... Reel stand, 2... Photo sensor, 5... Photo sensor detection circuit, 6, 8... Monostable multivibrator, 7, 9... D type flip-flop.
Claims (1)
転体と、前記回転体のパターンが描かれた面と相
対向して設置される１個の検知素子と、前記検知
素子から出力される信号を処理して回転体の回転
方向を示す信号を出力する回路とを備えたことを
特徴とする回転方向検出装置。 A rotating body on which different patterns are drawn with respect to the direction of rotation, one sensing element installed opposite to the surface of the rotating body on which the patterns are drawn, and processing a signal output from the sensing element. A rotational direction detection device comprising: a circuit for outputting a signal indicating a rotational direction of a rotating body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2963288U JPH01133323U (en) | 1988-03-03 | 1988-03-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2963288U JPH01133323U (en) | 1988-03-03 | 1988-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01133323U true JPH01133323U (en) | 1989-09-11 |
Family
ID=31254010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2963288U Pending JPH01133323U (en) | 1988-03-03 | 1988-03-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01133323U (en) |
-
1988
- 1988-03-03 JP JP2963288U patent/JPH01133323U/ja active Pending
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