JP2009274772A5 - - Google Patents

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Publication number
JP2009274772A5
JP2009274772A5 JP2008124585A JP2008124585A JP2009274772A5 JP 2009274772 A5 JP2009274772 A5 JP 2009274772A5 JP 2008124585 A JP2008124585 A JP 2008124585A JP 2008124585 A JP2008124585 A JP 2008124585A JP 2009274772 A5 JP2009274772 A5 JP 2009274772A5
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JP
Japan
Prior art keywords
ultrasonic
ultrasonic wave
sheet
transmission
transmission unit
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Application number
JP2008124585A
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English (en)
Japanese (ja)
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JP5258374B2 (ja
JP2009274772A (ja
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Priority to JP2008124585A priority Critical patent/JP5258374B2/ja
Priority claimed from JP2008124585A external-priority patent/JP5258374B2/ja
Publication of JP2009274772A publication Critical patent/JP2009274772A/ja
Publication of JP2009274772A5 publication Critical patent/JP2009274772A5/ja
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Publication of JP5258374B2 publication Critical patent/JP5258374B2/ja
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JP2008124585A 2008-05-12 2008-05-12 重送検知装置および方法、並びにスキャナ Active JP5258374B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008124585A JP5258374B2 (ja) 2008-05-12 2008-05-12 重送検知装置および方法、並びにスキャナ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008124585A JP5258374B2 (ja) 2008-05-12 2008-05-12 重送検知装置および方法、並びにスキャナ

Publications (3)

Publication Number Publication Date
JP2009274772A JP2009274772A (ja) 2009-11-26
JP2009274772A5 true JP2009274772A5 (enExample) 2011-06-16
JP5258374B2 JP5258374B2 (ja) 2013-08-07

Family

ID=41440559

Family Applications (1)

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JP2008124585A Active JP5258374B2 (ja) 2008-05-12 2008-05-12 重送検知装置および方法、並びにスキャナ

Country Status (1)

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JP (1) JP5258374B2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7618442B2 (ja) 2020-12-18 2025-01-21 キヤノン株式会社 記録材検知装置、画像形成装置および超音波発信装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7025348B2 (en) * 2002-11-25 2006-04-11 Eastman Kodak Company Method and apparatus for detection of multiple documents in a document scanner using multiple ultrasonic sensors
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
JP4315062B2 (ja) * 2004-06-16 2009-08-19 コニカミノルタビジネステクノロジーズ株式会社 給紙装置
JP4659546B2 (ja) * 2005-07-21 2011-03-30 キヤノン電子株式会社 重送検知装置

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