Tide clock assembly with optical device providing the appearance

Details Tide clock assembly with optical device providing the appearance Tide clock assembly with optical device providing the appearance

1990-10-05

1991-12-31

Roskoski, Bernard

Horology: time measuring systems or devices

Astronomical

With tide display

G04B 1926, G04B 4900

Patent

active

050777050

ABSTRACT:
A device for displaying the present tide level in relation to high and low tide. The display using a clear rod and colored elements in a manner to give the impression of fluid in a rod and the height of the fluid representing the present tide level. The colored elements being moved passed the clear rod by a cut assembly. One of the colored elements being used represents the tide level when rising and the other represents the tide level when falling. The tide level can be displayed in hours to high or low tide.

REFERENCES:
patent: 3703804 (1972-11-01), Appelberg
patent: 4623259 (1986-11-01), Oberst
patent: 4849949 (1989-07-01), Voth

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