GLOBE-SHAPED WORLD CLOCK

摘要

PROBLEM TO BE SOLVED: To provide a world clock that allows viewers to understand at a glance times around the world and at which spot it is noon or midnight now.;SOLUTION: A turn table 2 on which a point laser oscillator 6 and linear laser oscillators 4 and 5 are placed is provided inside a globe 1 made of a transparent or translucent material. The turn table is rotated with respect to the globe 1 or the globe 1 is rotated with respect to the turn table, once every 24 hours by a drive device 3. In this way, point-like or linear laser light projected on the surface of the globe 1 makes it possible to know times in various parts of the world at a glance.;SELECTED DRAWING: Figure 2;COPYRIGHT: (C)2021,JPO&INPIT