JPH01131455A - 超音波測定装置用の較正装置 - Google Patents

超音波測定装置用の較正装置

Info

Publication number
JPH01131455A
JPH01131455A JP62289864A JP28986487A JPH01131455A JP H01131455 A JPH01131455 A JP H01131455A JP 62289864 A JP62289864 A JP 62289864A JP 28986487 A JP28986487 A JP 28986487A JP H01131455 A JPH01131455 A JP H01131455A
Authority
JP
Japan
Prior art keywords
circuit
signal
counter
time counting
clock signal
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.)
Granted
Application number
JP62289864A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0561591B2 (enExample
Inventor
Hiroyasu Nakamura
中村　弘康
Junichi Kajiwara
梶原　純一
Yoshiaki Suzuki
嘉昭 鈴木
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP62289864A priority Critical patent/JPH01131455A/ja
Publication of JPH01131455A publication Critical patent/JPH01131455A/ja
Publication of JPH0561591B2 publication Critical patent/JPH0561591B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
JP62289864A 1987-11-17 1987-11-17 超音波測定装置用の較正装置 Granted JPH01131455A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62289864A JPH01131455A (ja) 1987-11-17 1987-11-17 超音波測定装置用の較正装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62289864A JPH01131455A (ja) 1987-11-17 1987-11-17 超音波測定装置用の較正装置

Publications (2)

Publication Number Publication Date
JPH01131455A true JPH01131455A (ja) 1989-05-24
JPH0561591B2 JPH0561591B2 (enExample) 1993-09-06

Family

ID=17748748

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62289864A Granted JPH01131455A (ja) 1987-11-17 1987-11-17 超音波測定装置用の較正装置

Country Status (1)

Country Link
JP (1) JPH01131455A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102735757A (zh) * 2012-06-21 2012-10-17 中国人民解放军后勤工程学院 一种独立通道离线防爆声发射仪的同步方法和装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102735757A (zh) * 2012-06-21 2012-10-17 中国人民解放军后勤工程学院 一种独立通道离线防爆声发射仪的同步方法和装置

Also Published As

Publication number Publication date
JPH0561591B2 (enExample) 1993-09-06

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