Horology: time measuring systems or devices – Astronomical – With tide display
Patent
1991-12-09
1993-06-22
Roskoski, Bernard
Horology: time measuring systems or devices
Astronomical
With tide display
G04B 1926
Patent
active
052220516
ABSTRACT:
The present invention relates to an analogic display module for a watch movement. This module comprises a dial (1) provided with a time graduation (2) and hands (3,4,5) to display the time. It comprises a display for the rhythm of the tides (50) presenting six juxtaposed zones 49 of different thicknesses cooperating with a hand (52) the axis of which is located on the line separating the two middle zones (49) and making one revolution in a time corresponding approximately to the time interval separating two sucessive high tides.
REFERENCES:
patent: 4623259 (1986-11-01), Oberst
patent: 5050139 (1991-09-01), Oberst
patent: 5086416 (1992-02-01), Dubois et al.
patent: 5114345 (1992-05-01), Vuarnesson
patent: 5115417 (1992-05-01), Saunders
Berthoud Francois
Dubois Gerald
Dubois & Depraz S.A.
Roskoski Bernard
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