Resources Contact Us Home
Wind immune microphone

Image Number 14 for United States Patent #8144906.

Disclosed is an acoustic device comprising an enclosed housing defining an inner volume and having a front and a back; an acoustic port penetrating the front of the enclosed housing; a first and second sense structure attached to the inside of the housing and defining a gap between the first and second sense structures; a front volume defined by the portion of the inner volume between the first sense structure and the front of the housing; a back volume defined by the portion of the inner volume between the second sense structure and the back of the housing; and at least one vent in the first sense structure operatively connecting the front volume and the gap, wherein the acoustic device has a cutoff frequency above approximately 100 Hz.

  Recently Added Patents
Method for exchanging data concerning an electronic transaction
Graphical planner
Image forming apparatus assembled with a fixing member and a pressing member
Mass spectrometry device and method using ion-molecule reaction ionization
Systems and methods for parameter adaptation
Sealing member for piezoelectric resonator device, and piezoelectric resonator device
Hybrid interconnect scheme including aluminum metal line in low-k dielectric
  Randomly Featured Patents
Luggage frame
Hydrodynamic pump units and regulators therefor
Subscriber reputation filtering method for analyzing subscriber activity and detecting account misuse
Flexible circuit electrode array
Methods and apparatus for processor task migration in a multi-processor system
Fluorescent polymers and coating compositions
Device for filtering water with filter insert
Imaging lens, imaging device, portable terminal, and method for manufacturing imaging lens
Information delivery system and method
Removal of organic sulfur compounds from hydrocarbon feedstocks