| http://www.w3.org/ns/prov#value | - According to the first embodiment of the present invention, since an oscillator comprises an oscillation circuit for generating a clock signal used to count time, running time count unit for counting the running time, event number count unit for detecting and counting an event such as power-on and power-off, and a memory for storing the results, there is an effect to obtain an oscillator capable o
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