JPS59187714U - magnetic rotary encoder - Google Patents

magnetic rotary encoder

Info

Publication number
JPS59187714U
JPS59187714U JP8252583U JP8252583U JPS59187714U JP S59187714 U JPS59187714 U JP S59187714U JP 8252583 U JP8252583 U JP 8252583U JP 8252583 U JP8252583 U JP 8252583U JP S59187714 U JPS59187714 U JP S59187714U
Authority
JP
Japan
Prior art keywords
magnetic
rotary encoder
magnetic track
magnetic rotary
angular intervals
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
JP8252583U
Other languages
Japanese (ja)
Inventor
文史郎 津田
森　裕徳
Original Assignee
東北金属工業株式会社
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 by 東北金属工業株式会社 filed Critical 東北金属工業株式会社
Priority to JP8252583U priority Critical patent/JPS59187714U/en
Publication of JPS59187714U publication Critical patent/JPS59187714U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は４本の磁気抵抗素子による単位磁気検出体の配
置およびブリッジ構成時の各部の出力波形を示した図、
第２図は本考案の一実施例を示した図で、ａは上面およ
び側面図、ｂは基板周辺の拡大図、第３図は第２図の各
検出体の出力波形、演算処理波形と位相差を示した図、
第４図は本考案の他の一実施例を示した図で、ａは分解
斜視図、ｂは上面および側面図である。 １・・・磁気トラック、３・・・磁気抵抗素子、４゜４
ａ〜４ｄ・・・単位磁気検出体、５・・・差動増幅回路
、６・・・シュミット回路、７，７′・・・基板、８・
・・回転円板。Figure 1 is a diagram showing the arrangement of a unit magnetic detector made of four magnetoresistive elements and the output waveforms of each part in a bridge configuration.
Fig. 2 shows an embodiment of the present invention, in which a is a top view and a side view, b is an enlarged view of the surrounding area of the substrate, and Fig. 3 shows output waveforms and arithmetic processing waveforms of each detection object in Fig. 2. Diagram showing phase difference,
FIG. 4 shows another embodiment of the present invention, in which a is an exploded perspective view and b is a top and side view. 1... Magnetic track, 3... Magnetoresistive element, 4゜4
a to 4d... Unit magnetic detector, 5... Differential amplifier circuit, 6... Schmitt circuit, 7, 7'... Board, 8...
...Rotating disk.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 回転円板上の全周にピッチ角θで等角度間隔に周方向に
磁化した磁気記憶媒体よりなる磁気トラックと、該磁気
トラックより一定の距離を隔てて設置した同一基板上に
、該磁気トラックの磁化力向へ７０の角度間隔で配置し
た４本の磁気抵抗素・□　子をブリッジ構成とした単位
磁気検出体を、該磁気トラックの磁化方向に対しΣにθ
の角度差をもって該磁化方向へＮ組配置した磁気検出体
とを有する磁気ロータリエンコーダ。A magnetic track consisting of a magnetic storage medium magnetized in the circumferential direction at equal angular intervals at a pitch angle θ around the entire circumference of a rotating disk, and a magnetic track on the same substrate installed at a certain distance from the magnetic track. A unit magnetic detector having a bridge configuration of four magnetoresistive elements arranged at angular intervals of 70 in the direction of the magnetization force of
A magnetic rotary encoder comprising: N sets of magnetic detecting bodies arranged in the magnetization direction with an angular difference of .
JP8252583U 1983-05-31 1983-05-31 magnetic rotary encoder Pending JPS59187714U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8252583U JPS59187714U (en) 1983-05-31 1983-05-31 magnetic rotary encoder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8252583U JPS59187714U (en) 1983-05-31 1983-05-31 magnetic rotary encoder

Publications (1)

Publication Number Publication Date
JPS59187714U true JPS59187714U (en) 1984-12-13

Family

ID=30212478

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8252583U Pending JPS59187714U (en) 1983-05-31 1983-05-31 magnetic rotary encoder

Country Status (1)

Country Link
JP (1) JPS59187714U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6238316A (en) * 1985-08-14 1987-02-19 Hitachi Ltd Absolute position detecting device
JP2020193833A (en) * 2019-05-27 2020-12-03 三菱電機株式会社 Angle detector, ac revolving machine control device, and electrically-driven power steering device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5690213A (en) * 1979-12-24 1981-07-22 Nec Corp Position detector

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5690213A (en) * 1979-12-24 1981-07-22 Nec Corp Position detector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6238316A (en) * 1985-08-14 1987-02-19 Hitachi Ltd Absolute position detecting device
JP2020193833A (en) * 2019-05-27 2020-12-03 三菱電機株式会社 Angle detector, ac revolving machine control device, and electrically-driven power steering device

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