JPS62140405U - - Google Patents

Info

Publication number
JPS62140405U
JPS62140405U JP2799086U JP2799086U JPS62140405U JP S62140405 U JPS62140405 U JP S62140405U JP 2799086 U JP2799086 U JP 2799086U JP 2799086 U JP2799086 U JP 2799086U JP S62140405 U JPS62140405 U JP S62140405U
Authority
JP
Japan
Prior art keywords
circuit
signal
detector
output
issues
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.)
Granted
Application number
JP2799086U
Other languages
Japanese (ja)
Other versions
JPH052808Y2 (en
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 JP1986027990U priority Critical patent/JPH052808Y2/ja
Publication of JPS62140405U publication Critical patent/JPS62140405U/ja
Application granted granted Critical
Publication of JPH052808Y2 publication Critical patent/JPH052808Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)

Description

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

第１図は四つの検出器の出力信号の処理による
波形の状態を示す説明図、第２図は本考案の回路
図、第３図は速度異常に対する処理の波形説明図
。 １，２，３，４：検出器ならびにその出力波形
。 FIG. 1 is an explanatory diagram showing waveform states resulting from processing of output signals of four detectors, FIG. 2 is a circuit diagram of the present invention, and FIG. 3 is a waveform explanatory diagram of processing for speed abnormality. 1, 2, 3, 4: Detector and its output waveform.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] デジタル変位測長装置において検出器から得ら
れる少なくとも２種類の位相の異なる電気信号を
組み合わせて変位量を検出する測長装置において
、検出器出力を半波整流する回路とこれを加算す
る回路と、加算値を基準値Ｖ１と比較し、Ｖ１以
下に下つたとき信号を発する比較回路と、一つの
検出器の出力の１周期の時間を基準時間ｔと比較
し、検出器の出力信号がｔ以下になつたとき信号
を発する比較回路とを持ちいずれかの信号の存在
によつて信号を出力する論理和回路及びその出力
により警報信号を発信する警報回路とにより成る
測長装置の異常検出回路。 In a digital displacement length measuring device that detects the amount of displacement by combining at least two types of electrical signals with different phases obtained from the detector, a circuit for half-wave rectifying the detector output and a circuit for adding the same; A comparator circuit that compares the added value with a reference value V 1 and issues a signal when the value falls below V 1 , and a comparison circuit that compares the time of one cycle of the output of one detector with the reference time t, and detects the output signal of the detector. Abnormality detection in a length measuring device consisting of a comparison circuit that issues a signal when the value falls below t, an OR circuit that outputs a signal when any of the signals is present, and an alarm circuit that issues an alarm signal based on its output. circuit.
JP1986027990U 1986-02-27 1986-02-27 Expired - Lifetime JPH052808Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986027990U JPH052808Y2 (en) 1986-02-27 1986-02-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986027990U JPH052808Y2 (en) 1986-02-27 1986-02-27

Publications (2)

Publication Number Publication Date
JPS62140405U true JPS62140405U (en) 1987-09-04
JPH052808Y2 JPH052808Y2 (en) 1993-01-25

Family

ID=30830539

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986027990U Expired - Lifetime JPH052808Y2 (en) 1986-02-27 1986-02-27

Country Status (1)

Country Link
JP (1) JPH052808Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010048607A (en) * 2008-08-20 2010-03-04 Mitsutoyo Corp Photoelectric encoder

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS582622U (en) * 1981-06-29 1983-01-08 株式会社　三豊製作所 Abnormality detection circuit for photoelectric encoder
JPS6035208A (en) * 1983-08-05 1985-02-23 Fujitsu Ltd Trouble detecting circuit of body-movement detector
JPS6130818U (en) * 1984-07-30 1986-02-24 ヤマト科学株式会社 Pulse encoder operation monitoring circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS582622B2 (en) * 1978-09-26 1983-01-18 富士通株式会社 Relay life test method
JPS5599340A (en) * 1979-01-23 1980-07-29 Tanaka Kikinzoku Kogyo Kk Production of catalyst for burner

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS582622U (en) * 1981-06-29 1983-01-08 株式会社　三豊製作所 Abnormality detection circuit for photoelectric encoder
JPS6035208A (en) * 1983-08-05 1985-02-23 Fujitsu Ltd Trouble detecting circuit of body-movement detector
JPS6130818U (en) * 1984-07-30 1986-02-24 ヤマト科学株式会社 Pulse encoder operation monitoring circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010048607A (en) * 2008-08-20 2010-03-04 Mitsutoyo Corp Photoelectric encoder

Also Published As

Publication number Publication date
JPH052808Y2 (en) 1993-01-25

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