| 摘要 |
<p>Hair cutting apparatus having a housing and a laser device (12) disposed in the housing and arranged to provide a beam of light impinging on hair to be cut, the beam of light being operative to cut said hair. The beam of light has a wavelength which is strongly absorbed by hair to be cut but not strongly absorbed by adjacent tissue, is generally not absorbed by human skin, is generally absorbed by hair in a predetermined colour range but is not generally absorbed by hair outside of said colour range. <IMAGE></p> |
