Patent ID: 6816439
Filing Date: 2004-11-09
Classification: G04C,G04G

Abstract:
A rechargeable electronic watch operating with an energy source comprising a power supply including a power generation means and a power storage means charged with electric energy generated from said power generation means, said rechargeable electronic watch comprising a watch circuit for counting or processing time information or function information so as to output said information, a display means for displaying said time information or said function information based on an output signal from said watch circuit, a power storage amount detecting means for detecting an amount of power flowing into in said power storage means, a remaining capacity detecting means for detecting the remaining capacity of said power storage means, and a control means for controlling the operation of said watch circuit in response to said remaining capacity and said amount of said power storage, wherein said watch circuit is driven in at least one clock operation mode selected, based on the control of said control means, from a plurality of clock operation modes provided in said rechargeable electronic watch, each of said modes being different from each other in power consumption.