Invention Grant
US3581410A Talking clock 失效
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Talking clock
Abstract:
A TOY CLOCK WITH A PHONOGRAPH WHICH STATES THE TIME AT WHICH THE HANDS ARE SET. THE CLOCK INCLUDES A RECORD WITH TWENTY-FOUR NEARLY CONCENTRIC GROOVES, TWELVE OF THEM DEFINING THE HOUR AND TWELVE DEFINING THE CLOSET FIVE MINUTE INTERVAL AFTER THE HOUT GROOVE AND THE OTHER A MINUTE GROOVE, AND THE HOUR AND MINUTE SAYINGS ARE PLAYED IN SUCCESSION.
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