WO2009001527A1 - 紙葉類磁気特性検出装置 - Google Patents

紙葉類磁気特性検出装置 Download PDF

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Publication number
WO2009001527A1
WO2009001527A1 PCT/JP2008/001583 JP2008001583W WO2009001527A1 WO 2009001527 A1 WO2009001527 A1 WO 2009001527A1 JP 2008001583 W JP2008001583 W JP 2008001583W WO 2009001527 A1 WO2009001527 A1 WO 2009001527A1
Authority
WO
WIPO (PCT)
Prior art keywords
paper sheet
magnetic characteristic
oscillated
oscillated wave
circuit
Prior art date
Application number
PCT/JP2008/001583
Other languages
English (en)
French (fr)
Inventor
Kazuhiro Yamakawa
Tetsuo Kanda
Original Assignee
Azuma Systems Co., Ltd.
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 Azuma Systems Co., Ltd. filed Critical Azuma Systems Co., Ltd.
Priority to JP2008543335A priority Critical patent/JP4330035B2/ja
Publication of WO2009001527A1 publication Critical patent/WO2009001527A1/ja

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • G01D5/2006—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
    • G01D5/202—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils by movable a non-ferromagnetic conductive element
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/945—Proximity switches
    • H03K17/95—Proximity switches using a magnetic detector

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Electronic Switches (AREA)
  • Measuring Magnetic Variables (AREA)

Abstract

紙葉類の磁気的な特性を簡単な回路構成で精度良く検出する。 紙葉類の磁気的な特性に応じてインダクタンスが変化するように配置される検出コイルＬ（磁気ヘッド２）と、検出コイルＬのインダクタンス変化に応じて発振波に位相ズレを生じさせる発振回路２と、発振波の位相ズレを検出する検出回路３とを備え、該検出回路３は、発振回路２から出力される発振波の数をカウントし、該カウント数が所定数Ｎに達したか否かを判断する発振波カウント処理を行い、該発振波カウント処理に要した時間にもとづいて、蓄積された発振波の位相ズレを検出する。
PCT/JP2008/001583 2007-06-24 2008-06-19 紙葉類磁気特性検出装置 WO2009001527A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008543335A JP4330035B2 (ja) 2007-06-24 2008-06-19 紙葉類磁気特性検出装置

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007165721 2007-06-24
JP2007-165721 2007-06-24
JP2008058869 2008-03-09
JP2008-058869 2008-03-09

Publications (1)

Publication Number Publication Date
WO2009001527A1 true WO2009001527A1 (ja) 2008-12-31

Family

ID=40185354

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/001583 WO2009001527A1 (ja) 2007-06-24 2008-06-19 紙葉類磁気特性検出装置

Country Status (2)

Country Link
JP (2) JP2009244249A (ja)
WO (1) WO2009001527A1 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109307686B (zh) * 2017-07-27 2022-04-19 太克莱克株式会社 磁性墨水检测装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61239719A (ja) * 1985-04-17 1986-10-25 Fuji Electric Co Ltd 近接スイツチ
JPS63141227A (ja) * 1986-12-01 1988-06-13 株式会社　キ−エンス 近接スイツチ
JP2000046955A (ja) * 1999-06-21 2000-02-18 Omron Corp 物体検知装置及び物体検知方法
JP2007068082A (ja) * 2005-09-02 2007-03-15 Azuma Systems:Kk 近接センサ及び近接検出方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4024964B2 (ja) * 1998-07-28 2007-12-19 キヤノン電子株式会社 磁気インク検知用磁気センサー、その信号処理方法、及び磁気インク検知装置
JP4399916B2 (ja) * 1999-09-17 2010-01-20 株式会社村田製作所 鋼球検出センサ
JP2001313556A (ja) * 2000-04-28 2001-11-09 Sunx Ltd 近接センサ
JP4162151B2 (ja) * 2006-08-29 2008-10-08 株式会社アヅマシステムズ 近接センサ及び近接検出方法
JP4596471B2 (ja) * 2005-09-08 2010-12-08 株式会社山武 高周波発振型近接センサ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61239719A (ja) * 1985-04-17 1986-10-25 Fuji Electric Co Ltd 近接スイツチ
JPS63141227A (ja) * 1986-12-01 1988-06-13 株式会社　キ−エンス 近接スイツチ
JP2000046955A (ja) * 1999-06-21 2000-02-18 Omron Corp 物体検知装置及び物体検知方法
JP2007068082A (ja) * 2005-09-02 2007-03-15 Azuma Systems:Kk 近接センサ及び近接検出方法

Also Published As

Publication number Publication date
JP2009244249A (ja) 2009-10-22
JPWO2009001527A1 (ja) 2010-08-26
JP4330035B2 (ja) 2009-09-09

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