JP5258374B2 - 重送検知装置および方法、並びにスキャナ - Google Patents

重送検知装置および方法、並びにスキャナ Download PDF

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Publication number
JP5258374B2
JP5258374B2 JP2008124585A JP2008124585A JP5258374B2 JP 5258374 B2 JP5258374 B2 JP 5258374B2 JP 2008124585 A JP2008124585 A JP 2008124585A JP 2008124585 A JP2008124585 A JP 2008124585A JP 5258374 B2 JP5258374 B2 JP 5258374B2
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ultrasonic
sheet
ultrasonic wave
double feed
transmission unit
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JP2009274772A5 (enExample
JP2009274772A (ja
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智也 島▲崎▼
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Canon Electronics Inc
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Canon Electronics Inc
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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)

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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

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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

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

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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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JP2009274772A (ja) 2009-11-26

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