JPS6249708U - - Google Patents
Info
- Publication number
- JPS6249708U JPS6249708U JP14135785U JP14135785U JPS6249708U JP S6249708 U JPS6249708 U JP S6249708U JP 14135785 U JP14135785 U JP 14135785U JP 14135785 U JP14135785 U JP 14135785U JP S6249708 U JPS6249708 U JP S6249708U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- writing area
- area
- magnetic writing
- pitch
- 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
- 230000005415 magnetization Effects 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図は本考案による第１の実施例の構成を示
す斜視図、第２図は、第１図の実施例における磁
気センサの出力電圧波形を示すタイムチヤート、
第３図は本考案による第２の実施例の構成を示す
斜視図、第４図は、第３図の実施例における磁気
センサの出力電圧波形を示すタイムチヤート、第
５図は従来の磁気式リニアスケールの構成例を示
す斜視図、第６図は、第５図の例における磁化チ
ツチと磁気センサのパターン間隔との関係を説明
するための図、第７図は、第５図の従来例におけ
る磁気センサの出力電圧波形を示すタイムチヤー
トである。
図において、１，１１，２１は磁気ワイヤー、
２，１２，１３，２２，２３は磁気センサ、３，
１４，１５，２４，２５は磁気書込領域、２ａ，
１２ａ，１３ａはパターンである。
FIG. 1 is a perspective view showing the configuration of a first embodiment of the present invention, FIG. 2 is a time chart showing the output voltage waveform of the magnetic sensor in the embodiment of FIG.
Fig. 3 is a perspective view showing the configuration of a second embodiment of the present invention, Fig. 4 is a time chart showing the output voltage waveform of the magnetic sensor in the embodiment of Fig. 3, and Fig. 5 is a conventional magnetic sensor. FIG. 6 is a perspective view showing a configuration example of a linear scale. FIG. 6 is a diagram for explaining the relationship between the magnetization chip and the pattern interval of the magnetic sensor in the example of FIG. 5. FIG. 7 is a conventional example of FIG. 5. 3 is a time chart showing the output voltage waveform of the magnetic sensor in FIG. In the figure, 1, 11, 21 are magnetic wires,
2, 12, 13, 22, 23 are magnetic sensors;
14, 15, 24, 25 are magnetic writing areas, 2a,
12a and 13a are patterns.
Claims (1)
に磁気書き込みされた領域を設け、該磁気書込領
域に沿う位置に固定して設けられた磁気センサか
ら前記磁気ワイヤーの直線移動にともなつて得ら
れる漏洩磁束を読み出す磁気式リニアスケールに
おいて、前記磁気書込領域が、磁極の向きが交互
に反対となつて連続する第１の磁気書込領域と、
該第１の磁気書込領域の向きを変える着磁ピツチ
と比較し、整数倍の比率で着磁ピツチを異ならせ
た少なくとも１つの第２の磁気書込領域、若しく
は前記第１の磁気書込領域の着磁ピツチより倍以
上の長さを有する単一磁気書込領域とからなり、
かつそれぞれの磁気書込領域に対応して専用の磁
気センサがそれぞれ配置されていることを特徴と
する磁気式リニアスケール。 A magnetically written area is provided in the axial direction on the outer periphery of a magnetic wire having a high coercive force, and the magnetic sensor is fixedly provided at a position along the magnetic writing area, and is obtained by linear movement of the magnetic wire. In a magnetic linear scale for reading leakage magnetic flux, the magnetic writing area includes a first magnetic writing area in which the direction of magnetic poles is alternately opposite and continuous;
at least one second magnetic writing area whose magnetization pitch is different by an integral multiple of the magnetization pitch that changes the direction of the first magnetic writing area, or the first magnetic writing area; consisting of a single magnetic writing area having a length more than twice as long as the magnetized pitch of the area,
A magnetic linear scale characterized in that a dedicated magnetic sensor is arranged corresponding to each magnetic writing area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14135785U JPS6249708U (en) | 1985-09-18 | 1985-09-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14135785U JPS6249708U (en) | 1985-09-18 | 1985-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6249708U true JPS6249708U (en) | 1987-03-27 |
Family
ID=31049059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14135785U Pending JPS6249708U (en) | 1985-09-18 | 1985-09-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6249708U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54118259A (en) * | 1978-03-06 | 1979-09-13 | Nec Corp | Angle detector |
-
1985
- 1985-09-18 JP JP14135785U patent/JPS6249708U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54118259A (en) * | 1978-03-06 | 1979-09-13 | Nec Corp | Angle detector |
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