JP3624743B2 - 超音波流量計 - Google Patents

超音波流量計 Download PDF

Info

Publication number
JP3624743B2
JP3624743B2 JP14283999A JP14283999A JP3624743B2 JP 3624743 B2 JP3624743 B2 JP 3624743B2 JP 14283999 A JP14283999 A JP 14283999A JP 14283999 A JP14283999 A JP 14283999A JP 3624743 B2 JP3624743 B2 JP 3624743B2
Authority
JP
Japan
Prior art keywords
propagation time
ultrasonic
sound speed
measurement
sound
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.)
Expired - Fee Related
Application number
JP14283999A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000329597A5 (enrdf_load_stackoverflow
JP2000329597A (ja
Inventor
裕治 中林
晃一 竹村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial 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 Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP14283999A priority Critical patent/JP3624743B2/ja
Publication of JP2000329597A publication Critical patent/JP2000329597A/ja
Publication of JP2000329597A5 publication Critical patent/JP2000329597A5/ja
Application granted granted Critical
Publication of JP3624743B2 publication Critical patent/JP3624743B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Measuring Volume Flow (AREA)
JP14283999A 1999-05-24 1999-05-24 超音波流量計 Expired - Fee Related JP3624743B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14283999A JP3624743B2 (ja) 1999-05-24 1999-05-24 超音波流量計

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14283999A JP3624743B2 (ja) 1999-05-24 1999-05-24 超音波流量計

Publications (3)

Publication Number Publication Date
JP2000329597A JP2000329597A (ja) 2000-11-30
JP2000329597A5 JP2000329597A5 (enrdf_load_stackoverflow) 2005-02-17
JP3624743B2 true JP3624743B2 (ja) 2005-03-02

Family

ID=15324822

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14283999A Expired - Fee Related JP3624743B2 (ja) 1999-05-24 1999-05-24 超音波流量計

Country Status (1)

Country Link
JP (1) JP3624743B2 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007051913A (ja) * 2005-08-17 2007-03-01 Tokyo Keiso Co Ltd 超音波流量計の補正方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4783989B2 (ja) * 2001-03-16 2011-09-28 パナソニック株式会社 流量計
KR100519481B1 (ko) * 2003-05-17 2005-10-06 (주)씨엠엔텍 음속측정장치 및 이를 이용한 초음파 유량계에서의지연시간 측정방법 및 유체내 초음파 진동자간 거리측정방법
JP5141613B2 (ja) * 2009-03-25 2013-02-13 パナソニック株式会社 超音波流量計
JP5309188B2 (ja) * 2011-05-31 2013-10-09 株式会社オーバル 超音波流量計

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007051913A (ja) * 2005-08-17 2007-03-01 Tokyo Keiso Co Ltd 超音波流量計の補正方法

Also Published As

Publication number Publication date
JP2000329597A (ja) 2000-11-30

Similar Documents

Publication Publication Date Title
JP3716274B2 (ja) 超音波流量計および超音波による流量計測方法
JP2007187506A (ja) 超音波流量計
WO2011074248A1 (ja) 流量計測装置
JP3624743B2 (ja) 超音波流量計
JP4561088B2 (ja) 超音波流量計
JP3766728B2 (ja) 超音波流量計
JP5141613B2 (ja) 超音波流量計
WO2014006881A1 (ja) 流量計測装置
JP4292620B2 (ja) 流量計測装置
JP2000329597A5 (enrdf_load_stackoverflow)
JP4075526B2 (ja) 超音波流量計
JP7320776B2 (ja) 超音波流量計
JP7203352B2 (ja) 超音波流量計
JP5034510B2 (ja) 流速または流量計測装置とそのプログラム
JP6767628B2 (ja) 流量計測装置
JP3622613B2 (ja) 超音波流量計
JP2008185441A (ja) 超音波流量計
JP2008180566A (ja) 流速または流量計測装置とそのプログラム
JP4236479B2 (ja) 超音波送受信装置
JP4409838B2 (ja) 超音波流量計および超音波による流量計測方法
JP4140095B2 (ja) 超音波流速計
JP4284738B2 (ja) 超音波流量計
JP5092414B2 (ja) 流速または流量計測装置
JP3883093B2 (ja) 超音波流量計
JP2001183195A5 (enrdf_load_stackoverflow)

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20040227

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20040310

A871 Explanation of circumstances concerning accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A871

Effective date: 20040520

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20040727

A975 Report on accelerated examination

Free format text: JAPANESE INTERMEDIATE CODE: A971005

Effective date: 20040723

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20040803

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20041001

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20041109

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20041122

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20071210

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20081210

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20091210

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20091210

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20101210

Year of fee payment: 6

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20101210

Year of fee payment: 6

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20111210

Year of fee payment: 7

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20111210

Year of fee payment: 7

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20121210

Year of fee payment: 8

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20131210

Year of fee payment: 9

LAPS Cancellation because of no payment of annual fees