JPH0391969U - - Google Patents
Info
- Publication number
- JPH0391969U JPH0391969U JP78590U JP78590U JPH0391969U JP H0391969 U JPH0391969 U JP H0391969U JP 78590 U JP78590 U JP 78590U JP 78590 U JP78590 U JP 78590U JP H0391969 U JPH0391969 U JP H0391969U
- Authority
- JP
- Japan
- Prior art keywords
- pole piece
- permanent magnet
- gear
- hall elements
- hall
- 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
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図は本考案よりなる回転サンサの実施例を
示した構造の説明図、第２図はそのポールピース
のみの正面図、第３図は第２図における中央縦断
面図である。
１……ケース、２……永久磁石、３……端面、
４……ポールピース、５……差動型ホールＩＣ、
６……回転体、７ａ，７ｂ……ホール素子、８…
…基板、９……制御回路、１０……溝。
FIG. 1 is an explanatory diagram of the structure of an embodiment of the rotary sensor according to the present invention, FIG. 2 is a front view of only the pole piece thereof, and FIG. 3 is a longitudinal cross-sectional view of the center of FIG. 2. 1... Case, 2... Permanent magnet, 3... End surface,
4...Pole piece, 5...Differential Hall IC,
6...Rotating body, 7a, 7b...Hall element, 8...
... Board, 9... Control circuit, 10... Groove.
Claims (1)
材料のポールピースと、該ポールピース４の他端
部に、ソフト磁性体ギヤの回動方向に隔設されか
つ該ギヤの歯に対向するように配置された２個の
ホール素子７ａ，７ｂを有する差動型ホールＩＣ
５とを備え、更に前記ポールピースの他端部に前
記２個のホール素子７ａ，７ｂの中間と対応する
溝１０を備えたことを特徴とする回転センサ。 A permanent magnet, a pole piece made of a magnetic material that is in contact with one end of the permanent magnet, and a pole piece 4 that is spaced apart from each other in the rotating direction of the soft magnetic gear and opposed to the teeth of the gear. A differential Hall IC having two Hall elements 7a and 7b arranged in
5, and further comprising a groove 10 at the other end of the pole piece, which corresponds to the middle of the two Hall elements 7a, 7b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990000785U JP2513851Y2 (en) | 1990-01-09 | 1990-01-09 | Rotation sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990000785U JP2513851Y2 (en) | 1990-01-09 | 1990-01-09 | Rotation sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0391969U true JPH0391969U (en) | 1991-09-19 |
| JP2513851Y2 JP2513851Y2 (en) | 1996-10-09 |
Family
ID=31504727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990000785U Expired - Lifetime JP2513851Y2 (en) | 1990-01-09 | 1990-01-09 | Rotation sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2513851Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003307523A (en) * | 2002-04-16 | 2003-10-31 | Sumitomo Electric Ind Ltd | Rotation detection sensor |
| JP2021043139A (en) * | 2019-09-13 | 2021-03-18 | 日立金属株式会社 | Rotational speed sensor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5248379A (en) * | 1975-10-15 | 1977-04-18 | Sanyo Electric Co Ltd | Speed detecting device |
| JPS61294313A (en) * | 1985-06-20 | 1986-12-25 | アルフレツド・テヴエス・ゲ−エムベ−ハ− | Device for measuring magnetic field of air gap and change ofmagnetic field |
-
1990
- 1990-01-09 JP JP1990000785U patent/JP2513851Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5248379A (en) * | 1975-10-15 | 1977-04-18 | Sanyo Electric Co Ltd | Speed detecting device |
| JPS61294313A (en) * | 1985-06-20 | 1986-12-25 | アルフレツド・テヴエス・ゲ−エムベ−ハ− | Device for measuring magnetic field of air gap and change ofmagnetic field |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003307523A (en) * | 2002-04-16 | 2003-10-31 | Sumitomo Electric Ind Ltd | Rotation detection sensor |
| US6897647B2 (en) | 2002-04-16 | 2005-05-24 | Sumitomo Electric Industries, Ltd. | Revolution detecting sensor with recessed guide |
| JP2021043139A (en) * | 2019-09-13 | 2021-03-18 | 日立金属株式会社 | Rotational speed sensor |
| US11867717B2 (en) | 2019-09-13 | 2024-01-09 | Proterial, Ltd. | Rotation speed sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2513851Y2 (en) | 1996-10-09 |