JP2007022793A5 - - Google Patents

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Publication number
JP2007022793A5
JP2007022793A5 JP2005211218A JP2005211218A JP2007022793A5 JP 2007022793 A5 JP2007022793 A5 JP 2007022793A5 JP 2005211218 A JP2005211218 A JP 2005211218A JP 2005211218 A JP2005211218 A JP 2005211218A JP 2007022793 A5 JP2007022793 A5 JP 2007022793A5
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JP
Japan
Prior art keywords
ultrasonic wave
sheet
detecting
pulse
oscillation
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JP2005211218A
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English (en)
Japanese (ja)
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JP2007022793A (ja
JP4659546B2 (ja
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Priority to JP2005211218A priority Critical patent/JP4659546B2/ja
Priority claimed from JP2005211218A external-priority patent/JP4659546B2/ja
Publication of JP2007022793A publication Critical patent/JP2007022793A/ja
Publication of JP2007022793A5 publication Critical patent/JP2007022793A5/ja
Application granted granted Critical
Publication of JP4659546B2 publication Critical patent/JP4659546B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2005211218A 2005-07-21 2005-07-21 重送検知装置 Expired - Fee Related JP4659546B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005211218A JP4659546B2 (ja) 2005-07-21 2005-07-21 重送検知装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005211218A JP4659546B2 (ja) 2005-07-21 2005-07-21 重送検知装置

Publications (3)

Publication Number Publication Date
JP2007022793A JP2007022793A (ja) 2007-02-01
JP2007022793A5 true JP2007022793A5 (enExample) 2009-11-26
JP4659546B2 JP4659546B2 (ja) 2011-03-30

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Family Applications (1)

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JP2005211218A Expired - Fee Related JP4659546B2 (ja) 2005-07-21 2005-07-21 重送検知装置

Country Status (1)

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JP (1) JP4659546B2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5258374B2 (ja) * 2008-05-12 2013-08-07 キヤノン電子株式会社 重送検知装置および方法、並びにスキャナ
WO2011074061A1 (ja) * 2009-12-14 2011-06-23 キヤノン株式会社 超音波制御装置及び記録材判別装置
JP5815243B2 (ja) * 2011-01-20 2015-11-17 キヤノン電子株式会社 重送検知装置
EP2800399A4 (en) 2011-11-28 2016-02-24 Murata Manufacturing Co PIEZOELECTRIC STACKING ELEMENT AND MULTIFEED DETECTION SENSOR
CN102542656B (zh) * 2011-12-31 2015-01-14 北京中科金财科技股份有限公司 基于超声波激发材质特征的票据真伪识别方法
JP6579939B2 (ja) * 2015-12-18 2019-09-25 株式会社Pfu 重送検出装置、重送検出方法及び制御プログラム
JP7099079B2 (ja) * 2018-06-26 2022-07-12 京セラドキュメントソリューションズ株式会社 用紙搬送装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01115647U (enExample) * 1988-01-26 1989-08-03
US5283424A (en) * 1992-10-19 1994-02-01 Xerox Corporation Optical paper sensor having alterable sensitivity and illumination intensity
JPH10155055A (ja) * 1996-11-21 1998-06-09 Fujitsu Ltd 光学的画像読取装置の用紙搬送制御装置
JP2001324574A (ja) * 2000-03-10 2001-11-22 Toshiba Corp スライスレベル自動調整装置、スライスレベル自動調整方法、及び媒体搬送装置
JP3768772B2 (ja) * 2000-04-10 2006-04-19 株式会社Ｐｆｕ 用紙重送検出装置
JP2002362783A (ja) * 2001-06-08 2002-12-18 Omron Corp 紙葉類重送検出装置および方法、並びにプログラム
JP3860126B2 (ja) * 2003-01-31 2006-12-20 キヤノン電子株式会社 重送検知装置及び重送検知方法
JP2004269241A (ja) * 2003-03-12 2004-09-30 Pfu Ltd 給紙装置

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