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:
Nov. 26, 2019
Filed:
Jun. 02, 2017
Braun Gmbh, Kronberg, DE;
Frank Beerwerth, Kaltenholzhausen, DE;
Christian Neyer, Eschborn, DE;
Felix Heinemann, Frankfurt am Main, DE;
Dalibor Dadic, Koenigstein, DE;
Uwe Bielfeldt, Bad Soden, DE;
Braun GMBH, Kronberg, DE;
Abstract
The present disclosure is concerned with a skin treatment device having at least a first LED, at least a first controllable current source, in particular a first controllable constant current source, for driving the first LED, a control unit for controlled switching of at least the first controllable current source between a first state in which current is provided to the first LED and a second state in which no current is provided to the first LED, and at least a first current sensor that is connected or connectable with the first LED so that the first current sensor and the first LED form a current path at least in the second state of the first controllable current source.