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
Application number
Inventor
Harris Lake Henry
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Submarine Signal Co
Original Assignee
Submarine Signal Co
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Filing date
Publication date
Application filed by Submarine Signal CofiledCriticalSubmarine Signal Co
Application grantedgrantedCritical
Publication of GB190613185ApublicationCriticalpatent/GB190613185A/en
Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves
(AREA)
Abstract
13,185. Lake, H. H., [Submarine Signal Co.]. June 7. Drawings to Specification. Bearings and courses, determining.-The motion of the waves is utilized to sound simultaneously a submarine and an air bell on a buoy or lightship ; the time elapsing between hearing the two sounds gives the distance of the ship from the buoy &c.
GB190613185D1906-06-071906-06-07Improvements in Submarine Signalling Apparatus.
ExpiredGB190613185A
(en)