Distance measurement device
AssigneeKabushiki Kaisha Toshiba
InventorsMasatoshi HIRONO, Hiroshi KUBOTA, Nobu MATSUMOTO
Life of this patent
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Abstract
According to one embodiment, a distance measurement device includes a light projecting unit and a light receiving unit. The light projecting unit projects light to a target. The light receiving unit detects the light reflected by the target. The light projecting unit includes a light source emitting light, a first reflecting surface allowing the light to partially pass through the first reflecting surface, and a second reflecting surface facing the first reflecting surface and reflecting the light. The light is reflected a plurality of times by each of the first reflecting surface and the second reflecting surface.
Claims11
A distance measurement device, comprising:
- a light projecting unit projecting light to a target;
- and
- a light receiving unit detecting the light reflected by the target,
- the light projecting unit including:
- a light source emitting light;
- a first reflecting surface allowing the light to partially pass through the first reflecting surface;
- and
- a second reflecting surface facing the first reflecting surface and reflecting the light, and
- the light being reflected a plurality of times by each of the first reflecting surface and the second reflecting surface.
Dependencies are inferred from the claim text.