JP2004028994A5 - - Google Patents

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Publication number
JP2004028994A5
JP2004028994A5 JP2003070497A JP2003070497A JP2004028994A5 JP 2004028994 A5 JP2004028994 A5 JP 2004028994A5 JP 2003070497 A JP2003070497 A JP 2003070497A JP 2003070497 A JP2003070497 A JP 2003070497A JP 2004028994 A5 JP2004028994 A5 JP 2004028994A5
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JP
Japan
Prior art keywords
ultrasonic
unit
impedance
output impedance
flow rate
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.)
Pending
Application number
JP2003070497A
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English (en)
Japanese (ja)
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JP2004028994A (ja
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Publication date
Application filed filed Critical
Priority to JP2003070497A priority Critical patent/JP2004028994A/ja
Priority claimed from JP2003070497A external-priority patent/JP2004028994A/ja
Publication of JP2004028994A publication Critical patent/JP2004028994A/ja
Publication of JP2004028994A5 publication Critical patent/JP2004028994A5/ja
Pending legal-status Critical Current

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JP2003070497A 2002-04-30 2003-03-14 超音波流量計および流量の計測方法 Pending JP2004028994A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003070497A JP2004028994A (ja) 2002-04-30 2003-03-14 超音波流量計および流量の計測方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2002128063 2002-04-30
JP2003070497A JP2004028994A (ja) 2002-04-30 2003-03-14 超音波流量計および流量の計測方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2005001619A Division JP3696229B2 (ja) 2002-04-30 2005-01-06 超音波流量計および流量の計測方法

Publications (2)

Publication Number Publication Date
JP2004028994A JP2004028994A (ja) 2004-01-29
JP2004028994A5 true JP2004028994A5 (https=) 2005-03-17

Family

ID=31189968

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003070497A Pending JP2004028994A (ja) 2002-04-30 2003-03-14 超音波流量計および流量の計測方法

Country Status (1)

Country Link
JP (1) JP2004028994A (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1719980B1 (en) 2004-02-26 2017-05-03 Fuji Electric Co., Ltd. Ultrasonic flowmeter and ultrasonic flow rate measurement method
JP4572547B2 (ja) * 2004-03-10 2010-11-04 パナソニック株式会社 超音波流体計測装置
JP2007155574A (ja) * 2005-12-07 2007-06-21 Ricoh Elemex Corp 超音波流量計
EP2508850B1 (en) 2009-11-30 2020-04-01 National Institute of Advanced Industrial Science And Technology Flow rate measuring device
JP6378591B2 (ja) 2014-09-16 2018-08-22 キヤノン株式会社 記録媒体の種類を判別する判別装置および画像形成装置
JP7189048B2 (ja) * 2019-02-25 2022-12-13 アズビル株式会社 超音波流量計および出力インピーダンス設定方法
CN111141345A (zh) * 2020-03-16 2020-05-12 关红君 一种机电同步显示的超声波燃气表
CN120947763B (zh) * 2025-10-16 2026-01-23 天津市金超利达科技有限公司 一种多路径测量的管段式超声波流量计量方法及系统

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