Patent ID: 6172943
Filing Date: 2001-01-09
Classification: G04C,G04G

Abstract:
An electronic clock having an electric power generating element, comprising:clock signal generating means for generating a divided clock signal and having an oscillating circuit for producing a clock signal and dividing means for dividing the clock signal and producing the divided clock signal;an electronic clock movement having time display means for displaying time on the basis of the divided clock signal output by the clock signal generating means;an electric power generating element for generating electric power in response to at least one of incident light and heat;a low-voltage oscillating circuit which oscillates in accordance with an output voltage of the electric power generating element;a step-up circuit which inputs the output voltage of the electric power generating element and an output signal of the low-voltage oscillating circuit for stepping up the output voltage of the electric power generating element to a predetermined voltage level to output a stepped-up output signal; anda charging circuit for charging by the stepped-up output signal of the step-up circuit to supply a charged stepped-up output signal to the electronic clock movement.