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. 08, 2019
Filed:
May. 12, 2016
Braun Gmbh, Kronberg, DE;
Jannik Scheele, Kelkheim, DE;
Martin Haas, Steinbach, DE;
Norbert Schaefer, Frankfurt, DE;
Robert Schäfer, Frankfurt, DE;
Sven Alexander Franke, Darmstadt, DE;
Uwe Schober, Glashuetten-Schlossborn, DE;
Ingo Vetter, Karben, DE;
Frank Ziegler, Karben, DE;
BRAUN GMBH, Kronberg, DE;
Abstract
A personal hygiene device has a handle, a treatment head mounted for relative movement of at least a portion thereof with respect to the handle against a restoring force when a treatment force is applied in at least one direction onto the treatment head, a treatment-force-measurement unit for determining the applied treatment force comprising a light-emitting element, a light-sensitive element, and a light-changing element arranged at least partly in the light path between the light-emitting element and the light-sensitive element, wherein the light-changing element and at least one of the light-emitting element and light-sensitive element are arranged to be moved relatively to each other when at least the portion of the treatment head is moved.