JPH0184014U - - Google Patents
Info
- Publication number
- JPH0184014U JPH0184014U JP1987178821U JP17882187U JPH0184014U JP H0184014 U JPH0184014 U JP H0184014U JP 1987178821 U JP1987178821 U JP 1987178821U JP 17882187 U JP17882187 U JP 17882187U JP H0184014 U JPH0184014 U JP H0184014U
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- rotation detection
- detection device
- magnetic
- window
- 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 4
- 239000000758 substrate Substances 0.000 claims 2
- 239000000696 magnetic material Substances 0.000 claims 1
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Description
第１図は本考案に係る回転検出装置の一実施例
の要部を示す平面図、第２図は第１図のマグネツ
トをリール台に取付けた状態を示す側面図、第３
図及び第４図はそれぞれ従来の回転検出装置を示
す斜視図、第５図は第４図の要部平面図である。
７……リング状マグネツト（磁石）、８……磁
気検出器、１０，１１……窓部、１０ａ，１０ｂ
，１１ａ，１１ｂ……周縁部。
FIG. 1 is a plan view showing essential parts of an embodiment of the rotation detection device according to the present invention, FIG. 2 is a side view showing the magnet shown in FIG. 1 attached to a reel stand, and FIG.
4 and 4 are perspective views showing conventional rotation detection devices, respectively, and FIG. 5 is a plan view of the main part of FIG. 4. 7... Ring-shaped magnet (magnet), 8... Magnetic detector, 10, 11... Window, 10a, 10b
, 11a, 11b...periphery.
Claims (1)
石が周方向に放射状に装着された回転体と、前記
磁石に対向可能に磁性体でなる基板上に取付けら
れた磁気検出器とを具備し、前記基板の前記磁石
と磁気検出器との対向位置に窓部を形成してなる
回転検出装置において、前記窓部の前記磁石と対
向する２つの縁部がそれぞれ前記磁石の少くなく
とも連続する３つの磁極に跨がるように形成され
たことを特徴とする回転検出装置。 It is equipped with a rotating body in which a plurality of magnets magnetized with alternately different polarities are mounted radially in the circumferential direction, and a magnetic detector mounted on a substrate made of a magnetic material so as to be able to face the magnets. In the rotation detection device in which a window is formed on the substrate at a position facing the magnet and the magnetic detector, two edges of the window facing the magnet are at least continuous with each other. A rotation detection device characterized in that it is formed so as to straddle three magnetic poles.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987178821U JPH0184014U (en) | 1987-11-26 | 1987-11-26 | |
| KR1019880007142A KR920000216B1 (en) | 1987-06-15 | 1988-06-15 | Magnetic type rotation detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987178821U JPH0184014U (en) | 1987-11-26 | 1987-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0184014U true JPH0184014U (en) | 1989-06-05 |
Family
ID=31470420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987178821U Pending JPH0184014U (en) | 1987-06-15 | 1987-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0184014U (en) |
-
1987
- 1987-11-26 JP JP1987178821U patent/JPH0184014U/ja active Pending