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JPS5242752A - System for measuring relative positions - Google Patents

System for measuring relative positions

Info

Publication number
JPS5242752A
JPS5242752A JP11905975A JP11905975A JPS5242752A JP S5242752 A JPS5242752 A JP S5242752A JP 11905975 A JP11905975 A JP 11905975A JP 11905975 A JP11905975 A JP 11905975A JP S5242752 A JPS5242752 A JP S5242752A
Authority
JP
Japan
Prior art keywords
waves
relative positions
measuring relative
standard continuous
transmitting
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
JP11905975A
Other languages
Japanese (ja)
Inventor
Kenji Itani
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.)
Furuno Electric Co Ltd
Original Assignee
Furuno Electric 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 Furuno Electric Co Ltd filed Critical Furuno Electric Co Ltd
Priority to JP11905975A priority Critical patent/JPS5242752A/en
Publication of JPS5242752A publication Critical patent/JPS5242752A/en
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)

Abstract

PURPOSE: To correctly measure a receiving point by transmitting the standard continuous waves and ultrasonic waves from a master transmitter arranged in the sea, transmitting ultrasonic waves based on the standard continuous waves from subtransmitters, and receiving the standard continuous and ultraonic waves.
COPYRIGHT: (C)1977,JPO&Japio
JP11905975A 1975-10-01 1975-10-01 System for measuring relative positions Pending JPS5242752A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11905975A JPS5242752A (en) 1975-10-01 1975-10-01 System for measuring relative positions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11905975A JPS5242752A (en) 1975-10-01 1975-10-01 System for measuring relative positions

Publications (1)

Publication Number Publication Date
JPS5242752A true JPS5242752A (en) 1977-04-02

Family

ID=14751875

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11905975A Pending JPS5242752A (en) 1975-10-01 1975-10-01 System for measuring relative positions

Country Status (1)

Country Link
JP (1) JPS5242752A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5818111A (en) * 1981-07-27 1983-02-02 Hitachi Ltd Method and apparatus for measuring plate thickness by means of ultrasonic wave
JPS60100711A (en) * 1983-10-11 1985-06-04 シエル・インターナショネイル・リサーチ・マーチャッピイ・ベー・ウイ Method and device for measuring position of underground point in blowoff well while using relief well as reference

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5818111A (en) * 1981-07-27 1983-02-02 Hitachi Ltd Method and apparatus for measuring plate thickness by means of ultrasonic wave
JPS60100711A (en) * 1983-10-11 1985-06-04 シエル・インターナショネイル・リサーチ・マーチャッピイ・ベー・ウイ Method and device for measuring position of underground point in blowoff well while using relief well as reference
JPH056644B2 (en) * 1983-10-11 1993-01-27 Sheru Intern Risaachi Maachatsupii Bv

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