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:
Aug. 16, 2016
Filed:
Jun. 26, 2006
Adrianus Wilhelmus Dionisius Maria Van Den Bijgaart, Eindhoven, NL;
Ronald Cornelis DE Gier, Eindhoven, NL;
Adrianus Wilhelmus Dionisius Maria Van Den Bijgaart, Eindhoven, NL;
Ronald Cornelis De Gier, Eindhoven, NL;
Koninklijke Philips N.V., Eindhoven, NL;
Abstract
The present invention relates to a valve device () comprising a substrate () and an elastic membrane (), the membrane being joined at least around a valve area to the substrate. The substrate comprises a first channel () and a second channel (), both ending in the valve area, the first channel having in the valve area a first channel end surface () and the second channel having in the valve area a second channel end surface (), wherein the area of the first channel end surface is substantially larger than the area of the second channel end surface.