A shock detecting apparatus has a sensor which detects a shock received by an apparatus that is provided with the shock detecting apparatus, a first memory which stores a first threshold value for detecting reception of a shock that cannot guarantee the function quality of the apparatus, but can enable operation of the apparatus, a second memory which stores a second threshold value larger than the first threshold value for detecting reception of a shock that disables operation of the apparatus, a third memory which stores information concerning a shock, a control unit which compares the magnitude of a shock with the first and second threshold values when the sensor detects the shock, and controls to store the information in the third memory according to the comparison result, and a battery which supplies power to the sensor and control unit even if power is not supplied from the apparatus.
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