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.)
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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Filing date
Publication date
Application filed by NEC Corp, Nippon Electric Co LtdfiledCriticalNEC Corp
Priority to JP14677276ApriorityCriticalpatent/JPS5370855A/en
Publication of JPS5370855ApublicationCriticalpatent/JPS5370855A/en
Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means
(AREA)
Length Measuring Devices With Unspecified Measuring Means
(AREA)
Abstract
PURPOSE: To automate the measurement of angles and perform the measurement rapidly with good accuracy by measuring the distances between two points on a wire and three points on the plane on a ship in moving the ship by towing the wire fixed to the ship for laying pipe on the sea bettom.