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. 15, 2013
Filed:
Dec. 18, 2006
Galileo June Destura, Eindhoven, NL;
Armanda Cinderella Nieuwkerk, Grashoek, NL;
Johan Thomas Oostveen, Eindhoven, NL;
Galileo June Destura, Eindhoven, NL;
Armanda Cinderella Nieuwkerk, Grashoek, NL;
Johan Thomas Oostveen, Eindhoven, NL;
Koninklijke Philips N.V., Eindhoven, NL;
Abstract
The invention relates to a user interaction device () comprising an optical module () having a layer () of a substance being electrically switchable between a first visual state and a second visual state, and an electrical switch () for electrically switching the substance between the first and second visual states, a detector () for detecting the presence of a physical object, and a control unit () for controlling the electrical switch in response to the detection of presence of the physical object.