Horology: time measuring systems or devices – Plural time zones
Patent
1996-08-26
1998-01-13
Roskoski, Bernard
Horology: time measuring systems or devices
Plural time zones
G04B 1922
Patent
active
057086281
ABSTRACT:
An universal time equipment enables the user to ascertain the times of 24 time zones around the world easily, precisely and simultaneously, including a stationary dial mounted above a 24-hour movement which projects at least an hour shaft and a minute shaft therefrom, a transparent time zone disc being secured to rotate above the dial, and a minute hand mounted to said minute shaft to rotate above the time zone disc. The dial provides an outer hour indicating ring portion, an inner minute indicating ring portion adjacent to the outer hour indicating ring portion, and a central time condition indicating portion which is divided into four time conditions for facilitating the user to ascertain the time condition of the time observed. The time zone disc has 24 time zone indicators provided in the outer periphery thereof, a transparent central portion for revealing the dial underneath, and a sun mark positioned adjacent to the hour indicating ring portion and aligned with one of the time zone.
REFERENCES:
patent: 893772 (1908-07-01), Aufiero
patent: 2078345 (1937-04-01), Robertson
patent: 3115002 (1963-12-01), Beresford
patent: 4183203 (1980-01-01), Maezawa et al.
Chan Raymond Y. C.
Roskoski Bernard
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