Invention Grant
US09249948B2 Shaving or hair trimming device 有权
剃须或修剪装置

Shaving or hair trimming device
Abstract:
A device for projecting an elongate optical image (7) onto a surface (5) is disclosed. The device has an optical element (8) with a reflective surface (11) configured to reflect a beam of light emitted by a light source (9) so that the beam of light (12) converges in a first plane (X-Y) and diverges in a second plane (Y-Z), the first plane being at right angles to the second plane.
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