Abstract
The present application relates to a device for cutting hair comprising a skin contacting face ( 3 ) that is placed against a surface of the skin ( 6 ) of a user during use . The device also has an optical system configured to direct a cutting laser beam ( 8 ) across a cutting zone ( 5 ) parallel to and spaced from said skin contacting face to cut hairs extending into the cutting zone . Also provided is a laser positioning mechanism which is arranged so that , during use of the device , the distance ( H1 ) between said cutting laser beam and said skin contacting face is changed to maintain a predetermined distance between the cutting laser beam and the surface of the skin of a user.
| Original language | English |
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| Patent number | US10265799B2 |
| Filing date | 11/03/14 |
| Publication status | Published - 23 Apr 2019 |
| Externally published | Yes |