JPS6121U - magnetic rotary encoder - Google Patents
magnetic rotary encoderInfo
- Publication number
- JPS6121U JPS6121U JP8288784U JP8288784U JPS6121U JP S6121 U JPS6121 U JP S6121U JP 8288784 U JP8288784 U JP 8288784U JP 8288784 U JP8288784 U JP 8288784U JP S6121 U JPS6121 U JP S6121U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- rotary encoder
- rotating drum
- magnetic rotary
- rotation
- 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
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の磁気ロークリエンコーダの構成を示すた
めの図、第２図は磁気ロータリエシコーダからの出力波
形を示すための図、第３図は本考案による磁気ロータリ
エシコーダを示すための図、第４図は本考案に用いられ
る磁気センサを示すための図、第５図ａ及びｂは磁気抵
抗素子と磁束との関係を示すための図、第６図ａは本考
案に用いられる磁気回転ドラムを示す斜視図、第６図ｂ
は第６図ａに示す磁気回転ドラムの磁化パターンあ一部
を示すための図、第７図ａ及びｂは第４図に示す磁気セ
ンサからの出力を示すための図である。
１・・・・一・・回転軸、２，３，７・・・・・・回転
ドラム、４， ５， ８・・・・・・磁気センサ、６，
９・・・・・・演算回路。Fig. 1 is a diagram showing the configuration of a conventional magnetic rotary encoder, Fig. 2 is a diagram showing the output waveform from the magnetic rotary encoder, and Fig. 3 is a diagram showing the magnetic rotary encoder according to the present invention. Figure 4 is a diagram showing the magnetic sensor used in the present invention, Figures 5 a and b are diagrams showing the relationship between the magnetoresistive element and magnetic flux, and Figure 6 a is the diagram used in the present invention. FIG. 6b is a perspective view showing a magnetic rotating drum
6 is a diagram showing a part of the magnetization pattern of the magnetic rotating drum shown in FIG. 6a, and FIGS. 7a and 7b are diagrams showing the output from the magnetic sensor shown in FIG. 4. 1...1... Rotating shaft, 2, 3, 7... Rotating drum, 4, 5, 8... Magnetic sensor, 6,
9... Arithmetic circuit.
Claims (1)
められたピッチで磁極が配列するように交互に磁化され
た磁気トラックと、該磁気トラックの近傍に配置された
磁気センサーとを有し、前記回転ドラムの回転によって
前記磁気センサーから出力信号を得、該出力信号により
箭記回転ドラムの回転角を検出するようにした磁気ロー
タリエンコーダにおいて、前記磁気トラックの一部が前
記回転ドラムの回転方向に交じわるように磁化されてい
ることを特徴とする磁気ロータリエンコーダ。A magnetic track formed on the circumference of a rotating drum and alternately magnetized so that magnetic poles are arranged at a predetermined pitch along the circumference, and a magnetic sensor disposed near the magnetic track. In the magnetic rotary encoder, the magnetic rotary encoder is configured to obtain an output signal from the magnetic sensor by rotation of the rotating drum, and detect a rotation angle of the rotating drum based on the output signal, wherein a part of the magnetic track is connected to the rotating drum. A magnetic rotary encoder characterized in that it is magnetized so as to intersect with the direction of rotation of the encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8288784U JPS6121U (en) | 1984-06-06 | 1984-06-06 | magnetic rotary encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8288784U JPS6121U (en) | 1984-06-06 | 1984-06-06 | magnetic rotary encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6121U true JPS6121U (en) | 1986-01-06 |
Family
ID=30631011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8288784U Pending JPS6121U (en) | 1984-06-06 | 1984-06-06 | magnetic rotary encoder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6121U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52101065A (en) * | 1976-02-20 | 1977-08-24 | Sony Corp | Magnetic scale |
-
1984
- 1984-06-06 JP JP8288784U patent/JPS6121U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52101065A (en) * | 1976-02-20 | 1977-08-24 | Sony Corp | Magnetic scale |
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