JPS63128421U - - Google Patents

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Publication number
JPS63128421U
JPS63128421U JP1876687U JP1876687U JPS63128421U JP S63128421 U JPS63128421 U JP S63128421U JP 1876687 U JP1876687 U JP 1876687U JP 1876687 U JP1876687 U JP 1876687U JP S63128421 U JPS63128421 U JP S63128421U
Authority
JP
Japan
Prior art keywords
thermal expansion
coefficient
mounting portion
sensor mounting
sensor
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
Application number
JP1876687U
Other languages
Japanese (ja)
Other versions
JPH0648338Y2 (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 JP1987018766U priority Critical patent/JPH0648338Y2/en
Publication of JPS63128421U publication Critical patent/JPS63128421U/ja
Application granted granted Critical
Publication of JPH0648338Y2 publication Critical patent/JPH0648338Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Transmission And Conversion Of Sensor Element Output (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の磁気デイスクの一実施例を示
す図、第２図は第１図の磁気デイスクを構成する
Ａｌリング６とＦｅリング７を示す図、第３図は
磁気エンコーダの概略図である。 １……磁気デイスク、２……ＭＲセンサ、３…
…ＭＲセンサ取付部、４……モータハウジング、
５……スペーシング、６……Ａｌリング、７……
Ｆｅリング。 FIG. 1 is a diagram showing an embodiment of the magnetic disk of the present invention, FIG. 2 is a diagram showing an Al ring 6 and Fe ring 7 that constitute the magnetic disk of FIG. 1, and FIG. 3 is a schematic diagram of a magnetic encoder. It is. 1...Magnetic disk, 2...MR sensor, 3...
...MR sensor mounting part, 4...Motor housing,
5... Spacing, 6... Al ring, 7...
Fe ring.

Claims (1)

【実用新案登録請求の範囲】 磁気エンコーダにおいて、 熱膨張係数の異なる２種類のリングの焼きばめ
によつて構成され、ＭＲセンサとの間隔の温度変
化が最小になるように等価的熱膨張係数がＭＲセ
ンサ取付部と該ＭＲセンサ取付部が取付けられた
モータハウジング全体の等価的熱膨張係数とほぼ
一致させられてなる磁気デイスク。[Claims for Utility Model Registration] A magnetic encoder is constructed by shrink-fitting two types of rings with different coefficients of thermal expansion, and the equivalent coefficient of thermal expansion is such that the temperature change in the distance between the ring and the MR sensor is minimized. A magnetic disk having a coefficient of thermal expansion substantially equal to an equivalent coefficient of thermal expansion of an MR sensor mounting portion and an entire motor housing to which the MR sensor mounting portion is mounted.
JP1987018766U 1987-02-13 1987-02-13 Magnetic encoder Expired - Lifetime JPH0648338Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987018766U JPH0648338Y2 (en) 1987-02-13 1987-02-13 Magnetic encoder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987018766U JPH0648338Y2 (en) 1987-02-13 1987-02-13 Magnetic encoder

Publications (2)

Publication Number Publication Date
JPS63128421U true JPS63128421U (en) 1988-08-23
JPH0648338Y2 JPH0648338Y2 (en) 1994-12-12

Family

ID=30812739

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987018766U Expired - Lifetime JPH0648338Y2 (en) 1987-02-13 1987-02-13 Magnetic encoder

Country Status (1)

Country Link
JP (1) JPH0648338Y2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62276408A (en) * 1986-05-26 1987-12-01 Hitachi Ltd Magnetic encoder

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62276408A (en) * 1986-05-26 1987-12-01 Hitachi Ltd Magnetic encoder

Also Published As

Publication number Publication date
JPH0648338Y2 (en) 1994-12-12

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