Patent ID: 8884777
Filing Date: 2014-11-11
Classification: H02J,H04M,Y02E

Abstract:
1. A mobile device comprising: a solar battery having a light-receiving surface provided on a casing of the mobile device; an illuminance detector, separate from the light-receiving surface, configured to detect an illuminance of light incident on the casing; an output section configured to output a state of light incident on the light-receiving surface of the solar battery responsive to the illuminance detector; and a controller configured to control the output section based on the illuminance detected by the illuminance detector, wherein the illuminance detector comprises a plurality of light detectors provided on a same external surface of the casing as the light-receiving surface of the solar battery so as to detect illuminances at multiple positions in a surrounding area of the light-receiving surface of the solar battery; the output section comprises a plurality of outputs, each at a position corresponding to a respective position of each of the plurality of light detectors to indicate to a user an availability status of solar battery charging light at the respective position, and the controller is configured to control each of the plurality of outputs to be illuminated constantly when an illuminance detected at the position corresponding to the output is greater than or equal to a predetermined value, and control each of the plurality of outputs to blink when an illuminance detected at the position corresponding to the output is less than a predetermined value so that a combination of blinking and constantly illuminated output is indicative of light availability coming from a relative direction of the constantly illuminated output position towards the blinking output.