Patent ID: 6275449
Filing Date: 2001-08-14
Classification: G04B

Abstract:
A world clock capable of synchronously displaying times in all world time zones, comprising:a map having markings selected from the group consisting of markings, textures, and patterns, said markings being arranged to distinguish different time zones, said marking corresponding to an actual geographic arrangement of time zones on said map;a reference indicator arranged as a table having one row and 24 regularly spaced columns, each column having one of said markings corresponding to one of said different time zones, whereby a position on the map may be correlated with a column in said table based on said markings;a belt positioned adjacent said reference indicator, said belt having a set of 24 numbers on each side, the 24 numbers corresponding to 24 hours of day, such that one of said 24 numbers is positioned below each of said columns of said reference indicator;a motor for driving said belt;a controller arranged to cause said belt to move once every hour; anda position sensor arranged to send a position signal to said controller to cause the controller to stop movement of the belt so that each number moves to an adjacent column of said table once every hour, and remains stationary between said movements.