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:
Dec. 06, 2011
Filed:
Apr. 25, 2006
Josef Lutz, Rohrau, AT;
Josef Lutz, Rohrau, AT;
Knowles Electronics Asia PTE, Ltd., Singapore, SG;
Abstract
A membrane () for a microphone () is disclosed which comprises a first portion (A), a second portion (A), and elements (E. . . E, E' . . . E′), which connect said first (A) and said second portion (A). The second portion (A) is arranged for a movement in relation to said first portion (A) around an idle position, which movement includes at least a translatory component in a direction of movement (dm) normal to said membrane (). The elements (E. . . E, E′ . . . E′) are provided for definition of a spring constant for said movement around said idle position and are arranged substantially along the outer border of said second portion (A).