JPS5964501U - optical scale - Google Patents

optical scale

Info

Publication number
JPS5964501U
JPS5964501U JP15932782U JP15932782U JPS5964501U JP S5964501 U JPS5964501 U JP S5964501U JP 15932782 U JP15932782 U JP 15932782U JP 15932782 U JP15932782 U JP 15932782U JP S5964501 U JPS5964501 U JP S5964501U
Authority
JP
Japan
Prior art keywords
optical scale
magnetic
base material
grating
recorded
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
JP15932782U
Other languages
Japanese (ja)
Inventor
潔 井上
Original Assignee
株式会社井上ジャパックス研究所
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 株式会社井上ジャパックス研究所 filed Critical 株式会社井上ジャパックス研究所
Priority to JP15932782U priority Critical patent/JPS5964501U/en
Publication of JPS5964501U publication Critical patent/JPS5964501U/en
Pending legal-status Critical Current

Links

Landscapes

  • Length-Measuring Instruments Using Mechanical Means (AREA)
  • Optical Transform (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図は本考案の第１の実施例を示す光学スケールの側
面図、第２図は第２の実施例を示す光学スケールの側面
図、第３図は第３の実施例を示す光学スクールの側面図
、第４図は第３図の光学スケールの製作を説明する側面
図である。 １．３，４・・・・・・基材、２・・・・・・光学的目
盛、１０゜１０Ａ、ＩＯＢ・・・・・・光学スケール。Fig. 1 is a side view of an optical scale showing a first embodiment of the present invention, Fig. 2 is a side view of an optical scale showing a second embodiment, and Fig. 3 is a side view of an optical scale showing a third embodiment. FIG. 4 is a side view illustrating the production of the optical scale shown in FIG. 3. 1.3, 4... Base material, 2... Optical scale, 10° 10A, IOB... Optical scale.

Claims (1)

【実用新案登録請求の範囲】 １　基材上に光学的目盛が記録形成された光学スケール
において、 前記光学的目盛を磁性流体によって記録形成したことを
特徴とする光学スケール。 ２　前記基材に磁気格子を着磁し、該磁気格子上に磁性
流体を固着し、光学的目盛としたことを特徴とする実用
新案登録請求の範囲第１項に記載の光学スケール。 ３　前記基材下部に、磁気格子が着磁された磁気スケー
ルを取付け、下方に該磁気格子が位置する前記基材上面
に磁性流体を固着し、光学的目盛としたことを特徴とす
る実用新案登録請求の範囲第１項に記載の光学スケール
。[Claims for Utility Model Registration] 1. An optical scale in which an optical scale is recorded and formed on a base material, characterized in that the optical scale is recorded and formed using a magnetic fluid. 2. The optical scale according to claim 1, which is a registered utility model, characterized in that a magnetic grating is magnetized on the base material, and a magnetic fluid is fixed on the magnetic grating to form an optical scale. 3. A utility model characterized in that a magnetic scale with a magnetized magnetic grating is attached to the lower part of the base material, and a magnetic fluid is fixed to the upper surface of the base material below which the magnetic grating is located, thereby forming an optical scale. An optical scale according to registered claim 1.
JP15932782U 1982-10-21 1982-10-21 optical scale Pending JPS5964501U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15932782U JPS5964501U (en) 1982-10-21 1982-10-21 optical scale

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15932782U JPS5964501U (en) 1982-10-21 1982-10-21 optical scale

Publications (1)

Publication Number Publication Date
JPS5964501U true JPS5964501U (en) 1984-04-28

Family

ID=30350760

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15932782U Pending JPS5964501U (en) 1982-10-21 1982-10-21 optical scale

Country Status (1)

Country Link
JP (1) JPS5964501U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0257913A (en) * 1988-08-24 1990-02-27 Ricoh Co Ltd Measuring method of amount of rotation

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5756875A (en) * 1980-09-24 1982-04-05 Ricoh Co Ltd Magnetic method and its execution device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5756875A (en) * 1980-09-24 1982-04-05 Ricoh Co Ltd Magnetic method and its execution device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0257913A (en) * 1988-08-24 1990-02-27 Ricoh Co Ltd Measuring method of amount of rotation

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