Patent ID: 8888379

Claim:
An electronic device comprising: a housing; an opening formed in the housing; a light receiving unit which is disposed inside the housing and is configured to receive an optical signal which enters through the opening; and an optical path changing unit which changes, to guide to the light receiving unit, a travelling direction of at least one of a first optical signal arriving from a first direction in respect to the housing and a second optical signal arriving from a second direction in respect to the housing, the first and second directions being opposite to each other, wherein the housing includes a first housing and a second housing which is connected to a rear portion of the first housing via a hinge in an openable and closable manner; the opening and the light receiving unit are provided in the first housing; the light receiving unit directly receives the first optical signal which enters through the opening from the first direction, which is the back direction of the first housing; the optical path changing unit includes a reflecting member provided in the second housing; and the reflecting member causes the second optical signal, which arrives from the second direction which is the front direction of the first housing in a state in which the second housing is opened, to be reflected toward the light receiving unit.