Mobile electronic device

摘要

It is a task to provide a mobile electronic device with high operability and high safety. The mobile electronic device includes an image projector that projects an image, a detector that detects a specific change in an irradiation area of light irradiated from the image projector or in a predetermined area including the irradiation area, and a control unit that controls the operation of the image projector. The task is solved in such a manner that when the detector detects the specific change, the control unit causes the image projector to stop emission of light therefrom, or to reduce an amount of light emitted therefrom.

主权项

1. A mobile electronic device, comprising:
an acceleration sensor that detects an acceleration acting on the mobile electronic device; an image projector that projects an image; a detector that detects a specific change in an irradiation area of light irradiated from the image projector or in a predetermined area including the irradiation area; and a control unit that controls an operation of the image projector, wherein when the detector detects the specific change, the control unit causes the image projector to stop emission of light therefrom or to reduce an amount of light emitted therefrom, and the control unit increases the number of detections by the detector per unit time as the acceleration detected by the acceleration sensor increases, wherein the detector includes a proximity sensor that measures a distance between an object in the irradiation area or in the predetermined area including the irradiation area and a light emission position of the image projector, wherein the detector detects a change in the distance to the object measured by the proximity sensor as the specific change, and wherein the detector detects that a change rate of the distance between the object in the irradiation area or in the predetermined area including the irradiation area detected by the proximity sensor and the light emission position of the image projector is a given value or more, as the specific change.