Measuring and testing – Navigation – Ship's log
Patent
1977-03-15
1978-02-21
Goldstein, Herbert
Measuring and testing
Navigation
Ship's log
73178R, G01C 2110
Patent
active
040745708
ABSTRACT:
This invention relates to low range fluid speed sensors for the measurement of fluid currents in any direction, down to near zero velocity for dense fluids. Two signals with a 90.degree. space phase relationship are used which permits the instantaneous resolution of the fluid speed vector into its two orthogonal components.
REFERENCES:
patent: 2846878 (1958-08-01), Carbonara
patent: 3373605 (1968-03-01), Beilman
Beilman John L.
Deazley William R.
Calspan Corporation
Goldstein Herbert
Jaffe Allen J.
Zobkiw David J.
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