JPH0187211U - - Google Patents
Info
- Publication number
- JPH0187211U JPH0187211U JP18357487U JP18357487U JPH0187211U JP H0187211 U JPH0187211 U JP H0187211U JP 18357487 U JP18357487 U JP 18357487U JP 18357487 U JP18357487 U JP 18357487U JP H0187211 U JPH0187211 U JP H0187211U
- Authority
- JP
- Japan
- Prior art keywords
- rotating shaft
- reed switch
- rotation angle
- angle information
- rotary encoder
- 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
- 235000014676 Phragmites communis Nutrition 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
図面は何れもこの考案の一実施例を示し、第１
図は、この実施例に係るロータリーエンコーダの
構成を説明するブロツク図、第２図は、同ロータ
リーエンコーダの第２の回転円板の拡大図、第３
図ａは、同ロータリーエンコーダの時計方向回転
の場合の磁気抵抗素子（リードスイツチ）の出力
波形と回転方向弁別回路の出力信号のタイムチヤ
ート、第３図ｂは、同ロータリーエンコーダの反
時計方向回転の場合の磁気抵抗素子（リードスイ
ツチ）の出力波形と回転方向弁別回路出力信号の
タイムチヤート、第４図は、同ロータリーエンコ
ーダの磁気抵抗素子とリードスイツチの出力波形
を対比して示すタイムチヤートである。
２：回転軸、３：第１の回転円板、４：回転角
度信号、５：回転角度信号読取手段、６：第２の
回転円板、７：磁石、８１，８２：磁気抵抗素子
、９１，９２：リードスイツチ、１１：切換回路
、１２：回転方向弁別回路、１３：アツプダウン
カウンタ。
The drawings all show one embodiment of this invention.
The figure is a block diagram explaining the configuration of the rotary encoder according to this embodiment, FIG. 2 is an enlarged view of the second rotating disk of the rotary encoder, and FIG.
Figure a is a time chart of the output waveform of the magnetoresistive element (reed switch) and the output signal of the rotation direction discrimination circuit when the rotary encoder rotates in the clockwise direction, and Figure 3b shows the time chart of the output signal of the rotation direction discrimination circuit when the rotary encoder rotates in the counterclockwise direction. Figure 4 is a time chart showing the output waveforms of the magnetoresistive element (reed switch) and the output signal of the rotational direction discrimination circuit in the case of the rotary encoder. be. 2: Rotating shaft, 3: First rotating disc, 4: Rotating angle signal, 5: Rotating angle signal reading means, 6: Second rotating disc, 7: Magnet, 8 1 , 8 2 : Magnetoresistive element , 9 1 , 9 2 : reed switch, 11 : switching circuit, 12 : rotational direction discrimination circuit, 13 : up/down counter.
Claims (1)
この回転体上に設けられる回転角度情報と、この
回転角度情報を読み取る回転角度情報読取手段と
を備えてなるロータリーエンコーダにおいて、 前記回転軸に装着される磁石と、磁石の回転円
の周囲に配される磁電変換素子及びリードスイツ
チと、通電時には磁電変換素子に、停電時にはリ
ードスイツチに切換える切換手段と、前記磁電変
換素子及びリードスイツチの出力より、前記回転
軸の回転数をカウントするカウンタとを備えたこ
とを特徴とするロータリーエンコーダ。[Claims for Utility Model Registration] A rotating shaft, a rotating body attached to this rotating shaft,
A rotary encoder comprising rotation angle information provided on the rotating body and rotation angle information reading means for reading this rotation angle information, a magnet attached to the rotating shaft and a magnet arranged around the rotation circle of the magnet. a magnetoelectric transducer and a reed switch; a switching means that switches to the magnetoelectric transducer when electricity is on and to the reed switch when power is out; and a counter that counts the number of rotations of the rotating shaft based on the output of the magnetoelectric transducer and the reed switch. A rotary encoder characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18357487U JPH0187211U (en) | 1987-11-30 | 1987-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18357487U JPH0187211U (en) | 1987-11-30 | 1987-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0187211U true JPH0187211U (en) | 1989-06-08 |
Family
ID=31474992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18357487U Pending JPH0187211U (en) | 1987-11-30 | 1987-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0187211U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005257642A (en) * | 2004-03-15 | 2005-09-22 | Samutaku Kk | Magnetic detection circuit and encoder |
| JP2006284237A (en) * | 2005-03-31 | 2006-10-19 | Hitachi Cable Ltd | Rotation angle sensor |
-
1987
- 1987-11-30 JP JP18357487U patent/JPH0187211U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005257642A (en) * | 2004-03-15 | 2005-09-22 | Samutaku Kk | Magnetic detection circuit and encoder |
| JP4521808B2 (en) * | 2004-03-15 | 2010-08-11 | ハイデンハイン株式会社 | Encoder |
| JP2006284237A (en) * | 2005-03-31 | 2006-10-19 | Hitachi Cable Ltd | Rotation angle sensor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0187211U (en) | ||
| JPS6019968U (en) | Rotation direction detection sensor | |
| JPS59146720U (en) | magnetic pulse encoder | |
| JPH03104858U (en) | ||
| JPS61166606U (en) | ||
| JPH0223711U (en) | ||
| JPH0228458Y2 (en) | ||
| JPS6134403U (en) | Rotation angle detection device | |
| JPH0222056U (en) | ||
| JPH01120799U (en) | ||
| JPS5880508U (en) | Rotation operation amount detection device | |
| JPH0294474U (en) | ||
| JPH0464771U (en) | ||
| JPS59113761U (en) | Rotating shaft rotation speed detection device | |
| JPS6126119U (en) | magnetic rotary encoder | |
| JPH0293831U (en) | ||
| JPS6359433U (en) | ||
| JPS6051433A (en) | Thin type motor | |
| JPS6419125U (en) | ||
| JPS6021984U (en) | magnetic rotation device | |
| JPS5848066U (en) | disk player | |
| JPS6297917U (en) | ||
| JPH0241163U (en) | ||
| JPS59144124U (en) | Throttle actuator | |
| JPS6355205U (en) |