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:
Sep. 03, 2019
Filed:
May. 12, 2016
Braun Gmbh, Kronberg, DE;
Norbert Schaefer, Frankfurt, DE;
Martin Haas, Steinback, DE;
Daniel Dietzel, Kelkheim, DE;
Christian Probst, München, DE;
Stefan Meier, München, DE;
BRAUN GMBH, Kronberg, DE;
Abstract
A personal hygiene device, in particular a toothbrush, has a handle, a treatment head mounted for relative movement with respect to the handle against a spring 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 an electrically powered coil, a coil core element, and a control circuit for determining a parameter indicative of the inductance of the coil, wherein the coil core element is arranged to be moved with respect to the coil when the treatment head is moved.