Boots – shoes – and leggings
Patent
1977-03-24
1978-10-03
Morrison, Malcolm A.
Boots, shoes, and leggings
73645, 364423, 364580, 364516, G01H 500, G01P 300
Patent
active
041187822
ABSTRACT:
A digital apparatus for determining the velocity of sound at a selected position in a liquid media is provided with a means for representing the conductivity, temperature and depth of the position in the form of digital numbers, and provides a digital calculating means receiving each of the digital numbers for calculating the velocity of sound as a function of conductivity, temperature, and depth. The sound velocity may be calculated at a succession of positions to provide sound velocity versus depth profile of the liquid media.
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Wilson, W. D., "Equation for the Speed of Sound in Sea Water", J. Acoust. c. Am., vol. 32, No. 10, p. 1357; Oct. 1960.
Wilson, W. D.; "Speed of Sound in Sea Water as a Function of Temperature, Pressure, and Salinity", J. Acoust. Soc. Am., vol. 32, No. 6, pp. 641-644, Jun. 1960.
Brown, R. K., "Measurement of the Velocity of Sound in the Ocean", J. Acoust. Soc. Am., vol. 26, No. 1, pp. 64-67, Jan. 1954.
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Mackenzie, K. V., A Decade of Experience with Velocimeters, J. Acoust. Soc. Am., vol. 50, No. 5, pp. 1321-1333, Mar. 1971.
Lacy, L. L. et al., "Measurements of Ultrasonic Velocities using a Digital Averaging Technique", J. Acoust. Soc. Am., vol. 52, No. 1 (Part 2) Jul. 1972, pp. 189-195.
Holbrook, G. W. et al., "A High Sensitivity Underwater Sound Velocity Meter", Dig. of Tech. Papers of 1970, IEEE Conf. on Eng. In Ocean Environ.", Sep. 1970, pp. 14-16.
Wilson, W. D., "Extrapulation of the Equation for the Speed of Sound in Sea Water", J. Acoust. Soc. Am., vol. 34, No. 6, p. 866, Jun. 1962.
Allen Royce H.
Colborn Joseph G.
Frye Hal W.
Griffin Dan M.
Sutton Jerry L.
Johnston Ervin F.
Krass Errol A.
Morrison Malcolm A.
Sciascia Richard S.
Skarsten James O.
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