JPS60111204U - Fiber optic displacement meter - Google Patents

Fiber optic displacement meter

Info

Publication number
JPS60111204U
JPS60111204U JP20238583U JP20238583U JPS60111204U JP S60111204 U JPS60111204 U JP S60111204U JP 20238583 U JP20238583 U JP 20238583U JP 20238583 U JP20238583 U JP 20238583U JP S60111204 U JPS60111204 U JP S60111204U
Authority
JP
Japan
Prior art keywords
displacement
light intensity
photosensor
optical fiber
signal
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
JP20238583U
Other languages
Japanese (ja)
Inventor
伊藤　茂憲
Original Assignee
日本航空電子工業株式会社
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 日本航空電子工業株式会社 filed Critical 日本航空電子工業株式会社
Priority to JP20238583U priority Critical patent/JPS60111204U/en
Publication of JPS60111204U publication Critical patent/JPS60111204U/en
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical 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 drawings]

第１図は従来の光フアイバ変位計を示す簡略構成図、第
２図は本考案の光フアイバ変位計を示す簡略構成図であ
る。 ２１・・・光源、２２・・・光強度モニタ用フォトセン
サ、２３・・・変位検出用フォトセンサ、２４・・・２
対２方向性結合器、２５・・・変位物体、２６・・・光
強度制御回路、２７・・・信号処理回路、３２・・・投
光兼受光用光ファイバ。FIG. 1 is a simplified configuration diagram showing a conventional optical fiber displacement meter, and FIG. 2 is a simplified configuration diagram showing the optical fiber displacement meter of the present invention. 21... Light source, 22... Photo sensor for light intensity monitoring, 23... Photo sensor for displacement detection, 24... 2
Two-way coupler, 25...Displacement object, 26...Light intensity control circuit, 27...Signal processing circuit, 32... Optical fiber for light emission and light reception.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）２対２の方向性結合器と、この方向性結合器の一
端側にそれぞれ取り付けられる光源及び変位検出用フォ
トセンサと、前記方向性結合器の他端側にそれぞれ取り
付けられる光強度モニタ用フォトセンサ及び投光兼受光
用光ファイバと、前記光強度モニタ用フォトセンサの出
力信号を基にして前記光源の発光強度を一定制御する光
強度制御回路と、前記変位検出用フォトセンサの出力信
号を基にして前記投光兼受光用光ファイバの先端に対向
配置された変位物体の変位量を計算する信号処理回路と
から構成した光フアイバ変位計。(1) A 2-to-2 directional coupler, a light source and a displacement detection photosensor attached to one end of the directional coupler, and a light intensity monitor attached to the other end of the directional coupler. a light intensity control circuit that constantly controls the emission intensity of the light source based on the output signal of the light intensity monitoring photosensor, and an output of the displacement detection photosensor. An optical fiber displacement meter comprising a signal processing circuit that calculates, based on a signal, the amount of displacement of a displacement object disposed opposite to the tip of the light emitting and receiving optical fiber. （２）前記信号処理回路が、先ず前記変位検出用フォト
センサの出力信号から前記光強度モニタ用フォトセンサ
の出力信号を減算し、しかる後この減算して得た信号を
基にして前記変持物体の変位量を計算するように構成さ
れた実用新案登録請求の範囲第１項記載の光フアイバ変
位計。(2) The signal processing circuit first subtracts the output signal of the light intensity monitoring photosensor from the output signal of the displacement detection photosensor, and then changes the changes based on the signal obtained by this subtraction. The optical fiber displacement meter according to claim 1, which is configured to calculate the amount of displacement of an object.
JP20238583U 1983-12-29 1983-12-29 Fiber optic displacement meter Pending JPS60111204U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20238583U JPS60111204U (en) 1983-12-29 1983-12-29 Fiber optic displacement meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20238583U JPS60111204U (en) 1983-12-29 1983-12-29 Fiber optic displacement meter

Publications (1)

Publication Number Publication Date
JPS60111204U true JPS60111204U (en) 1985-07-27

Family

ID=30764831

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20238583U Pending JPS60111204U (en) 1983-12-29 1983-12-29 Fiber optic displacement meter

Country Status (1)

Country Link
JP (1) JPS60111204U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62159004A (en) * 1986-01-08 1987-07-15 Isuzu Motors Ltd Displacement measuring instrument by optical fiber
JPS6329704U (en) * 1986-08-12 1988-02-26
JPH01291102A (en) * 1988-05-18 1989-11-22 Honda Motor Co Ltd Optical sensor device
JP2017510798A (en) * 2014-03-07 2017-04-13 ドクトル・ヨハネス・ハイデンハイン・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツングＤｒ． Ｊｏｈａｎｎｅｓ Ｈｅｉｄｅｎｈａｉｎ Ｇｅｓｅｌｌｓｃｈａｆｔ Ｍｉｔ Ｂｅｓｃｈｒａｎｋｔｅｒ Ｈａｆｔｕｎｇ Apparatus for measuring vibration amplitude of wire bonder capillaries

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62159004A (en) * 1986-01-08 1987-07-15 Isuzu Motors Ltd Displacement measuring instrument by optical fiber
JPS6329704U (en) * 1986-08-12 1988-02-26
JPH01291102A (en) * 1988-05-18 1989-11-22 Honda Motor Co Ltd Optical sensor device
JP2017510798A (en) * 2014-03-07 2017-04-13 ドクトル・ヨハネス・ハイデンハイン・ゲゼルシヤフト・ミツト・ベシユレンクテル・ハフツングＤｒ． Ｊｏｈａｎｎｅｓ Ｈｅｉｄｅｎｈａｉｎ Ｇｅｓｅｌｌｓｃｈａｆｔ Ｍｉｔ Ｂｅｓｃｈｒａｎｋｔｅｒ Ｈａｆｔｕｎｇ Apparatus for measuring vibration amplitude of wire bonder capillaries

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