Bastiaan Wilhelmus Maria Moeskops,Mark Thomas Johnson,Rieko Verhagen
申请号：
US14401552
公开号：
US10441357B2
申请日:
2013.05.15
申请国别(地区):
US
年份:
2019
代理人:
摘要：
A cutting head for a device for cutting hair is disclosed. The cutting head has an optical system configured to direct a laser beam along an optical axis across a cutting zone within the cutting head. The optical system has a variable focus lens configured to control the position of the focal point of the laser beam along the optical axis within the cutting zone.
