JPS6360904U - - Google Patents
Info
- Publication number
- JPS6360904U JPS6360904U JP15597686U JP15597686U JPS6360904U JP S6360904 U JPS6360904 U JP S6360904U JP 15597686 U JP15597686 U JP 15597686U JP 15597686 U JP15597686 U JP 15597686U JP S6360904 U JPS6360904 U JP S6360904U
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- longitudinal direction
- magnetic scale
- distance
- phase shift
- 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.)
- Granted
Links
- 230000010363 phase shift Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
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ａ及びｂは本考案の一実施例の平面図及
びＡ―Ａ′線断面図、第２図は第１図の実施例の
等価回路図、第３図は第１図の実施例を用いて生
成される出力信号の波形図、第４図は従来の磁気
スケール用センサの一例の平面図、第５図は第４
図の磁気スケール用センサの等価回路図である。
１〜８，１′〜４′……磁気抵抗素子、９，９
′，１０，１０′……出力端子、１１……着磁体
、１２，１２′……磁気スケール用センサ。
1A and 1B are a plan view and a sectional view taken along line A-A' of an embodiment of the present invention, FIG. 2 is an equivalent circuit diagram of the embodiment of FIG. 1, and FIG. 3 is an embodiment of the embodiment of FIG. FIG. 4 is a plan view of an example of a conventional magnetic scale sensor, and FIG.
FIG. 3 is an equivalent circuit diagram of the magnetic scale sensor shown in the figure. 1-8, 1'-4'... Magnetoresistive element, 9, 9
', 10, 10'... Output terminal, 11... Magnetized body, 12, 12'... Magnetic scale sensor.
Claims (1)
磁気書込みされた着磁体の上空に配置され、前記
着磁体の長手方向に沿つて走行して前記Ｎ―Ｓ間
距離λに対応した信号を出力する磁気抵抗素子を
４辺からなるブリツジの構成に電気的に接続する
磁気スケール用センサにおいて、λ／２の位相ず
れを有して配置される２個の前記磁気抵抗素子を
直列に接続する４個の抵抗群を備え、対向する二
つの辺は各々同位相にかつ隣接する辺とはλ／４
の位相ずれを有するように前記４個の抵抗群を前
記ブリツジの構成とすることを特徴とする磁気ス
ケール用センサ。 It is placed above the magnetized body that has been magnetically written in the longitudinal direction of the magnetized medium at intervals of the N-S distance λ, and travels along the longitudinal direction of the magnetized body to correspond to the N-S distance λ. In a sensor for a magnetic scale in which a magnetoresistive element that outputs a signal is electrically connected to a bridge configuration consisting of four sides, two magnetoresistive elements arranged with a phase shift of λ/2 are connected in series. It has four resistor groups to be connected, the two opposing sides are in the same phase, and the adjacent side is λ/4
A sensor for a magnetic scale, characterized in that the four resistor groups are configured as the bridge so as to have a phase shift of .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15597686U JPH0511442Y2 (en) | 1986-10-09 | 1986-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15597686U JPH0511442Y2 (en) | 1986-10-09 | 1986-10-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6360904U true JPS6360904U (en) | 1988-04-22 |
| JPH0511442Y2 JPH0511442Y2 (en) | 1993-03-22 |
Family
ID=31077160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15597686U Expired - Lifetime JPH0511442Y2 (en) | 1986-10-09 | 1986-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0511442Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02236705A (en) * | 1989-03-10 | 1990-09-19 | Daifuku Co Ltd | Magnetism detecting sensor for controlling travel of mobile vehicle |
-
1986
- 1986-10-09 JP JP15597686U patent/JPH0511442Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02236705A (en) * | 1989-03-10 | 1990-09-19 | Daifuku Co Ltd | Magnetism detecting sensor for controlling travel of mobile vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0511442Y2 (en) | 1993-03-22 |
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