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:
Dec. 01, 2020
Filed:
Oct. 07, 2015
Koninklijke Philips N.v., Eindhoven, NL;
Fokke Roelof Voorhorst, Eindhoven, NL;
Gerben Jan Willem Olyerhoek, Eindhoven, NL;
Robert Godlieb, Eindhoven, NL;
KONINKLIJKE PHILIPS N.V., Eindhoven, NL;
Abstract
An electrical appliance for performing a cutting action on hairs present on an area of skin () comprises at least one assembly of a driven internal cutting member () for cutting off the hairs and an external cutting member () which serves for contacting the area of skin () and also for covering and contacting the internal cutting member (). The cutting members () are designed such that friction between them is related to their condition of wear in a predetermined way. Information relating to an actual condition of wear of the cutting members () is determined by measuring a parameter related to the friction between the cutting members () and processing the parameter, and such information is indicated to a user of the appliance.