JPS63170710U - - Google Patents

Info

Publication number
JPS63170710U
JPS63170710U JP6276087U JP6276087U JPS63170710U JP S63170710 U JPS63170710 U JP S63170710U JP 6276087 U JP6276087 U JP 6276087U JP 6276087 U JP6276087 U JP 6276087U JP S63170710 U JPS63170710 U JP S63170710U
Authority
JP
Japan
Prior art keywords
reading
scale
lens
scales
main
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
JP6276087U
Other languages
Japanese (ja)
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 JP6276087U priority Critical patent/JPS63170710U/ja
Publication of JPS63170710U publication Critical patent/JPS63170710U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)

Description

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

第１図は本考案による光学式測長装置の一実施
例を示す分解斜視図、第２図は同装置の断面図、
第３図は従来の光学式測長装置の一例を示す図で
ある。 ２…主スケール、３…読取りスケール、４…光
源、６…光電変換素子、８…ホルダ、９，１０…
光学格子、１５…レンズ。 Fig. 1 is an exploded perspective view showing an embodiment of the optical length measuring device according to the present invention, Fig. 2 is a sectional view of the same device,
FIG. 3 is a diagram showing an example of a conventional optical length measuring device. 2...Main scale, 3...Reading scale, 4...Light source, 6...Photoelectric conversion element, 8...Holder, 9, 10...
Optical grating, 15...lens.

Claims (1)

【実用新案登録請求の範囲】 一定の間隔を置いて対向配置され、各々に光学
格子が形成された一対の主スケールおよび読取り
スケールと、該主スケールおよび読取りスケール
に対応して設けられた光源、レンズおよび光電変
換素子とを備え、前記主スケールおよび読取りス
ケールの相対的な移動により生ずる明暗信号を電
気信号に変換して計数し、この計数結果に基づい
て前記主スケールおよび読取りスケールの相対的
移動量を測定する光学式測長装置において、 前記読取りスケールには、レンズを一体に形成
したホルダが設けられ、前記レンズは前記ホルダ
内に密閉されていることを特徴とする光学式測長
装置。[Claims for Utility Model Registration] A pair of main scales and reading scales that are arranged opposite to each other at a constant interval and each having an optical grating formed thereon, and a light source provided corresponding to the main scale and reading scales; It includes a lens and a photoelectric conversion element, converts the brightness signal generated by the relative movement of the main scale and the reading scale into an electric signal and counts it, and calculates the relative movement of the main scale and the reading scale based on the counting result. An optical length measuring device for measuring quantities, wherein the reading scale is provided with a holder integrally formed with a lens, and the lens is hermetically sealed within the holder.
JP6276087U 1987-04-27 1987-04-27 Pending JPS63170710U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6276087U JPS63170710U (en) 1987-04-27 1987-04-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6276087U JPS63170710U (en) 1987-04-27 1987-04-27

Publications (1)

Publication Number Publication Date
JPS63170710U true JPS63170710U (en) 1988-11-07

Family

ID=30897345

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6276087U Pending JPS63170710U (en) 1987-04-27 1987-04-27

Country Status (1)

Country Link
JP (1) JPS63170710U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04136716A (en) * 1990-09-28 1992-05-11 Okuma Mach Works Ltd Optical type encoder
US7589317B2 (en) 2006-08-29 2009-09-15 Sharp Kabushiki Kaisha Optical encoder having lens integrally molded with housing
CN104142159A (en) * 2013-05-09 2014-11-12 发那科株式会社 An optical rotary encoder prone to positioning adjustment
JP2020067339A (en) * 2018-10-23 2020-04-30 ファナック株式会社 Transmission type rotary encoder

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6060519A (en) * 1983-09-13 1985-04-08 Mitsutoyo Mfg Co Ltd Optical displacement detector
JPS6253316B2 (en) * 1983-12-12 1987-11-10 Nippon Yunitsuto Kogyo Seisakusho Jugen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6060519A (en) * 1983-09-13 1985-04-08 Mitsutoyo Mfg Co Ltd Optical displacement detector
JPS6253316B2 (en) * 1983-12-12 1987-11-10 Nippon Yunitsuto Kogyo Seisakusho Jugen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04136716A (en) * 1990-09-28 1992-05-11 Okuma Mach Works Ltd Optical type encoder
US7589317B2 (en) 2006-08-29 2009-09-15 Sharp Kabushiki Kaisha Optical encoder having lens integrally molded with housing
CN104142159A (en) * 2013-05-09 2014-11-12 发那科株式会社 An optical rotary encoder prone to positioning adjustment
JP2014219326A (en) * 2013-05-09 2014-11-20 ファナック株式会社 Optical type rotary encoder facilitating positioning adjustment
JP2020067339A (en) * 2018-10-23 2020-04-30 ファナック株式会社 Transmission type rotary encoder

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