Speedometer for marine vessels

Details Speedometer for marine vessels Speedometer for marine vessels

1989-10-18

1990-06-12

Woodiel, Donald O.

Measuring and testing

Navigation

Ship's log

G01C 2110

Patent

active

049322494

ABSTRACT:
A speedometer form watercraft wherein a speed signal is derived from a water pressure signal which is transmitted to the indicator through a conduit so that long electrical lines are not required.

REFERENCES:
patent: 2627181 (1953-02-01), Kiekhaefer
patent: 4205552 (1980-06-01), Refoy
patent: 4694694 (1987-09-01), Vlakancic et al.
patent: 4759216 (1988-07-01), Carpenter et al.

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