JPH0348715U - - Google Patents

Info

Publication number
JPH0348715U
JPH0348715U JP10923489U JP10923489U JPH0348715U JP H0348715 U JPH0348715 U JP H0348715U JP 10923489 U JP10923489 U JP 10923489U JP 10923489 U JP10923489 U JP 10923489U JP H0348715 U JPH0348715 U JP H0348715U
Authority
JP
Japan
Prior art keywords
pole piece
permanent magnet
tip
attached
gear
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
Application number
JP10923489U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP10923489U priority Critical patent/JPH0348715U/ja
Publication of JPH0348715U publication Critical patent/JPH0348715U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Transmission And Conversion Of Sensor Element Output (AREA)

Description

【図面の簡単な説明】
第１図は本考案よりなる回転センサの実施例を
示した構造説明図、第２図はその要部拡大説明図
、第３図はその動作説明図、第４図イ，ロ，ハは
ポールピースの変形例を示した説明図、第５図は
ポールピース磁束密度とデフアレンシヤル量を示
した特性図である。 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。

Claims (1)

    【実用新案登録請求の範囲】
  1. 永久磁石２と、該永久磁石２の一端に被着され
    かつ先端に向かつて漸次細く形成された高飽和磁
    束密度材料のポールピース４と、該ポールピース
    ４の尖端部に、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ＩＣ５とを備えたことを特徴とする回転セン
    サ。
JP10923489U 1989-09-19 1989-09-19 Pending JPH0348715U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10923489U JPH0348715U (ja) 1989-09-19 1989-09-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10923489U JPH0348715U (ja) 1989-09-19 1989-09-19

Publications (1)

Publication Number Publication Date
JPH0348715U true JPH0348715U (ja) 1991-05-10

Family

ID=31657834

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10923489U Pending JPH0348715U (ja) 1989-09-19 1989-09-19

Country Status (1)

Country Link
JP (1) JPH0348715U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19853637C2 (de) * 1997-11-20 2001-10-31 Hitachi Ltd Drehzahlsensor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61294313A (ja) * 1985-06-20 1986-12-25 アルフレツド・テヴエス・ゲ−エムベ−ハ− 空気間隙の磁界、および、磁界の変化を測定するための装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61294313A (ja) * 1985-06-20 1986-12-25 アルフレツド・テヴエス・ゲ−エムベ−ハ− 空気間隙の磁界、および、磁界の変化を測定するための装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19853637C2 (de) * 1997-11-20 2001-10-31 Hitachi Ltd Drehzahlsensor

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