The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 04, 2016
Filed:
May. 17, 2013
Koninklijke Philips N.v., Eindhoven, NL;
Petrus Theodorus Jutte, Eindhoven, NL;
Bastiaan Wilhelmus Maria Moeskops, Eindhoven, NL;
Mark Thomas Johnson, Eindhoven, NL;
James Howard Coombs, Eindhoven, NL;
KONINKLIJKE PHILIPS N.V., Eindhoven, NL;
Abstract
The present application relates to a cutting head () for a device for cutting hair. The cutting head has an optical system () which directs a laser beam () across a cutting zone () in the cutting head. The laser beam has a fast and a slow axis. The optical system has a focus lens () configured to form a first focal point () of the laser beam in the cutting zone. In one embodiment, the optical system () also has a focusing element () which refocuses the laser beam to form a second focal point () of the laser beam in the cutting zone. In another embodiment, the focus lens forms a focal length of the laser beam in the cutting zone along its fast axis which is greater than a focal length of the laser beam in the cutting zone along its slow axis.