World clock

Details World clock World clock

1975-12-01

1977-08-30

Jackmon, E. S.

58 4A, 58 50R, G04B 1922, G04B 1924, G04B 1902

Patent

active

040445453

ABSTRACT:
A world clock comprises a cabinet including a front plaque carrying a world map, a time display board slanted to face the viewer for easy reading of the displayed time, a plural pair consisting of a touch pin and a signal light disposed in the neighborhood of each other in the world map and electric circuit means contained in the cabinet for displaying the time at the place of use in the time display board when no touch pin is touched with a finger and displaying the time at a desired district in the time display board and lighting a corresponding signal light at the desired district in the world map. The time display board can be easily exchanged by releasing a simple engagement. The pair consisting of a touch pin and a signal light source may be integrated. From this device one can easily know the time at a desired district in the world simply by touching a touch pin at the desired position in the world map.

REFERENCES:
patent: 3186158 (1965-06-01), Miller
patent: 3653204 (1972-04-01), Miwa
patent: 3940920 (1976-03-01), Nakamura

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