JPH0260866U - - Google Patents

Info

Publication number
JPH0260866U
JPH0260866U JP13957188U JP13957188U JPH0260866U JP H0260866 U JPH0260866 U JP H0260866U JP 13957188 U JP13957188 U JP 13957188U JP 13957188 U JP13957188 U JP 13957188U JP H0260866 U JPH0260866 U JP H0260866U
Authority
JP
Japan
Prior art keywords
phase difference
magnetic sensor
magnetic
comparing
detecting means
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
JP13957188U
Other languages
English (en)
Other versions
JPH0743650Y2 (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 JP1988139571U priority Critical patent/JPH0743650Y2/ja
Publication of JPH0260866U publication Critical patent/JPH0260866U/ja
Application granted granted Critical
Publication of JPH0743650Y2 publication Critical patent/JPH0743650Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Measuring Magnetic Variables (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)

Description

【図面の簡単な説明】
第1図はこの考案の基本構成を示すブロツク構
成図、第2図はこの考案に用いる磁気センサの一
例を示す構造図、第3図は磁性物質のB―H曲線
例を示す図、第4図A〜C及び第5図A〜Cはこ
の考案の作用を示す図、第6図はこの考案の一実
施例を示すブロツク構成図、第7図はその動作例
を示す波形図である。 1……発振手段、2……磁気センサ、3……位
相差検出手段、4……比較手段、5……記憶手段
、6……磁性物質、100……発振器、120…
…積分器、121,122……コンパレータ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 磁気センサの1次コイルに励磁信号を供給する
    発振手段と、前記励磁信号と前記磁気センサの2
    次コイルの出力信号の位相差を検出する位相差検
    出手段と、この位相差検出手段の出力を所定値と
    比較して前記磁気センサに対する磁性物質を識別
    する比較手段とを具備したことを特徴とする磁性
    物質識別装置。
JP1988139571U 1988-10-26 1988-10-26 磁性物質識別装置 Expired - Lifetime JPH0743650Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988139571U JPH0743650Y2 (ja) 1988-10-26 1988-10-26 磁性物質識別装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988139571U JPH0743650Y2 (ja) 1988-10-26 1988-10-26 磁性物質識別装置

Publications (2)

Publication Number Publication Date
JPH0260866U true JPH0260866U (ja) 1990-05-07
JPH0743650Y2 JPH0743650Y2 (ja) 1995-10-09

Family

ID=31402953

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988139571U Expired - Lifetime JPH0743650Y2 (ja) 1988-10-26 1988-10-26 磁性物質識別装置

Country Status (1)

Country Link
JP (1) JPH0743650Y2 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6283965B2 (ja) * 2016-03-18 2018-02-28 長野県 検査装置、検査方法及び非接触式センサ

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4995694A (ja) * 1972-10-12 1974-09-11
JPS533940A (en) * 1976-07-01 1978-01-14 Matsushita Electric Industrial Co Ltd Solid wires for welding

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4995694A (ja) * 1972-10-12 1974-09-11
JPS533940A (en) * 1976-07-01 1978-01-14 Matsushita Electric Industrial Co Ltd Solid wires for welding

Also Published As

Publication number Publication date
JPH0743650Y2 (ja) 1995-10-09

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