JPS5978917U - magnetic scale - Google Patents

magnetic scale

Info

Publication number
JPS5978917U
JPS5978917U JP17383782U JP17383782U JPS5978917U JP S5978917 U JPS5978917 U JP S5978917U JP 17383782 U JP17383782 U JP 17383782U JP 17383782 U JP17383782 U JP 17383782U JP S5978917 U JPS5978917 U JP S5978917U
Authority
JP
Japan
Prior art keywords
magnetic
substrate
disk
shaped
scale
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
JP17383782U
Other languages
Japanese (ja)
Inventor
並河　守
Original Assignee
東京磁気印刷株式会社
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 東京磁気印刷株式会社 filed Critical 東京磁気印刷株式会社
Priority to JP17383782U priority Critical patent/JPS5978917U/en
Publication of JPS5978917U publication Critical patent/JPS5978917U/en
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

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) [Summary] 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図は本考案の適用される磁気ドラムの一例を示す概
略斜視図、第２図は第１図の磁気ドラムの磁性体に磁極
を形成する方法を説明するための図、第３図は本考案の
別の実施例の磁気ドラムを示す概略図である。　　　　
・ １．１′・・・非磁性基体、２．２′・・・回転軸、３
．３′・・・磁性体、Ａ、　Ｂ、　Ｃ，Ｄ、　Ｅ、　Ｆ
・・・、Ａ′。 Ｂ’　、Ｃ’　、Ｄ’・・・磁極。FIG. 1 is a schematic perspective view showing an example of a magnetic drum to which the present invention is applied, FIG. 2 is a diagram for explaining a method of forming magnetic poles on the magnetic material of the magnetic drum shown in FIG. 1, and FIG. FIG. 3 is a schematic diagram showing a magnetic drum according to another embodiment of the present invention.
・ 1.1'... Non-magnetic base, 2.2'... Rotating shaft, 3
．． 3'...Magnetic material, A, B, C, D, E, F
..., A'. B', C', D'...magnetic poles.

Claims (6)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）非磁性基体上の磁性体に沿って等間隔に磁極を形
成した磁気スケールにおいて、特定の位置の磁極の特性
を他の磁極の特性と異ならせたことを特徴とする磁気ス
ケール。(1) A magnetic scale in which magnetic poles are formed at equal intervals along a magnetic material on a non-magnetic substrate, and the magnetic scale is characterized in that the characteristics of the magnetic poles at specific positions are different from those of other magnetic poles. （２）前記磁極の特性は、磁極の強さである実用新案登
録請求の範囲第（１）項記載の磁気スケール。。(2) The magnetic scale according to claim (1), wherein the characteristic of the magnetic pole is the strength of the magnetic pole. . （３）前記磁極の特性は、磁極形成周波数である実用新
案登録請求の範囲第（１）項記載の磁気スケール。(3) The magnetic scale according to claim (1), wherein the characteristic of the magnetic pole is a magnetic pole formation frequency. （４）前記非磁性基体は、直線状であって、前記磁性体
は、その直線状基体に沿って直線状に形成されている実
用新案登録請求の範囲第（１）項又は第（２）項又は第
（３）項記載の磁気スケール。(4) The non-magnetic substrate is linear, and the magnetic body is formed linearly along the linear substrate. or (3). （５）前記非磁性基板は、円板状であって、前記磁性体
は、その円板状基体の上面部縁端部又は下面部縁端部に
沿って形成されている実用新案登録請求の範囲第（１）
項又は第（２）項又は第（３）項記載の磁気スケール。(5) The non-magnetic substrate is disk-shaped, and the magnetic body is formed along the edge of the upper surface or the edge of the lower surface of the disk-shaped substrate. Range number (1)
The magnetic scale described in paragraph (2) or (3). （６）前記非磁性基体は、円板状であって、前記磁性体
は、その円板状基体の円周面に沿って形成されている実
用新案登録請求の範囲第（１）項又は第（２）項又は第
（３）項記載の磁気スケール。(6) The non-magnetic substrate is disk-shaped, and the magnetic body is formed along the circumferential surface of the disk-shaped substrate. The magnetic scale described in item (2) or item (3).
JP17383782U 1982-11-17 1982-11-17 magnetic scale Pending JPS5978917U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17383782U JPS5978917U (en) 1982-11-17 1982-11-17 magnetic scale

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17383782U JPS5978917U (en) 1982-11-17 1982-11-17 magnetic scale

Publications (1)

Publication Number Publication Date
JPS5978917U true JPS5978917U (en) 1984-05-28

Family

ID=30378595

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17383782U Pending JPS5978917U (en) 1982-11-17 1982-11-17 magnetic scale

Country Status (1)

Country Link
JP (1) JPS5978917U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006194695A (en) * 2005-01-12 2006-07-27 Canon Inc Positional control device, position control method and optical device
JP7209911B1 (en) * 2022-05-16 2023-01-20 三菱電機株式会社 RPM detector

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5081660A (en) * 1973-11-15 1975-07-02
JPS53131065A (en) * 1977-03-31 1978-11-15 Tdk Corp Rotational angle detector

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5081660A (en) * 1973-11-15 1975-07-02
JPS53131065A (en) * 1977-03-31 1978-11-15 Tdk Corp Rotational angle detector

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006194695A (en) * 2005-01-12 2006-07-27 Canon Inc Positional control device, position control method and optical device
JP4632423B2 (en) * 2005-01-12 2011-02-16 キヤノン株式会社 POSITION CONTROL DEVICE, POSITION CONTROL METHOD, AND OPTICAL DEVICE
JP7209911B1 (en) * 2022-05-16 2023-01-20 三菱電機株式会社 RPM detector
WO2023223389A1 (en) * 2022-05-16 2023-11-23 三菱電機株式会社 Rotation speed detector

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