JPS6070009U - Outer diameter variation detector - Google Patents

Outer diameter variation detector

Info

Publication number
JPS6070009U
JPS6070009U JP15536783U JP15536783U JPS6070009U JP S6070009 U JPS6070009 U JP S6070009U JP 15536783 U JP15536783 U JP 15536783U JP 15536783 U JP15536783 U JP 15536783U JP S6070009 U JPS6070009 U JP S6070009U
Authority
JP
Japan
Prior art keywords
outer diameter
variation detector
diameter variation
measured
photodiodes
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
JP15536783U
Other languages
Japanese (ja)
Inventor
片山　茂勝
Original Assignee
株式会社キ−エンス
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 株式会社キ−エンス filed Critical 株式会社キ−エンス
Priority to JP15536783U priority Critical patent/JPS6070009U/en
Publication of JPS6070009U publication Critical patent/JPS6070009U/en
Pending legal-status Critical Current

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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図は従来の外径変動検出器の構成を略示した説明図
、第２図はこの考案に係る外径変動検出器の一実施例の
構成を略示した説明図、第３図は第２図に示した実施例
の回路構成を略示した説明図である。 １・・・・・・光源用発光ダイオード、２・・・・・・
レンズ、３・・・・・・平行光線、４・・・・・・被測
定物、６，７・・・・・・フォトダイオード。FIG. 1 is an explanatory diagram schematically showing the configuration of a conventional outer diameter variation detector, FIG. 2 is an explanatory diagram schematically showing the configuration of an embodiment of the outer diameter variation detector according to this invention, and FIG. 3 is an explanatory diagram schematically showing the circuit configuration of the embodiment shown in FIG. 2. FIG. 1...Light-emitting diode for light source, 2...
Lens, 3...Parallel light beam, 4...Object to be measured, 6, 7...Photodiode.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）略平行な光線が照射される被測定物の後方に、２
個の矩形状のフォトダイオードを光軸中心に対して略対
称で、かつ、前記被測定物の移動方向に対して略垂直に
なるように、それぞれ平行に配置し、前記２個のフォト
ダイオードの出力差を検出することにより、被測定物の
外径の変動を検知することを特徴とする外径変動検出器
。(1) At the rear of the object being irradiated with substantially parallel light beams,
The two rectangular photodiodes are arranged parallel to each other so as to be approximately symmetrical about the center of the optical axis and approximately perpendicular to the moving direction of the object to be measured. An outer diameter variation detector that detects variations in the outer diameter of an object to be measured by detecting an output difference. （２）前記２個のフォトダイオードは、８差動結合され
たものであることを特徴とする実用新案登録請求の範囲
第１項記載の外径変動検出器。(2) The outer diameter variation detector according to claim 1, wherein the two photodiodes are 8 differentially coupled.
JP15536783U 1983-10-05 1983-10-05 Outer diameter variation detector Pending JPS6070009U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15536783U JPS6070009U (en) 1983-10-05 1983-10-05 Outer diameter variation detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15536783U JPS6070009U (en) 1983-10-05 1983-10-05 Outer diameter variation detector

Publications (1)

Publication Number Publication Date
JPS6070009U true JPS6070009U (en) 1985-05-17

Family

ID=30343166

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15536783U Pending JPS6070009U (en) 1983-10-05 1983-10-05 Outer diameter variation detector

Country Status (1)

Country Link
JP (1) JPS6070009U (en)

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