Structure of world time clock for 24-hour indication

Details Structure of world time clock for 24-hour indication Structure of world time clock for 24-hour indication

1990-06-12

1992-04-21

Roskoski, Bernard

Horology: time measuring systems or devices

Plural time zones

With movable disk display

G04B 1922

Patent

active

051074680

ABSTRACT:
Disclosed is a world time clock, which has an hour plate designed to rotate at a constant speed of 24 hours for one turn. The hour plate is printed with the official name of world important countries according to world time zone classification so that every local time is shown while the hour plate is carried to rotate on a fixed plate which has graduations for indication of hour, minute and second. As an alternate form of the present invention, an hour plate is printed or engraved with graduations to match with a face plate, which is printed with the official name of world important countries according to world time zone classification, for world time indication.

REFERENCES:
patent: 1990012 (1935-02-01), Woodruff
patent: 2056038 (1936-09-01), Angelis et al.
patent: 2275604 (1942-03-01), Booharin

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