Resources Contact Us Home
Wind immune microphone

Image Number 16 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
Apparatus and method of managing radio bearer in wireless communication system
High dynamic range pixel structure
Apparatus and method for weighing an item of mail during transport through a sorting installation and having an anti-vibration device
High performance actuator motor
Silicas and alkali metal salt compositions, detergents formed from such compositions and method of forming such compositions and detergents
Semiconductor memory device and manufacturing method thereof
Rose plant named `ESM R057`
  Randomly Featured Patents
Apparatus for collecting solar beams
Portable paint brush holder
Suction muffler for a hermetic compressor
Method for synthesis or diamond
Doll wardrobe
Method of producing fibrin-specific antibodies using soluble fibrin polymers as an immunogen
Mold cap for semiconductor device mold package
Book construction with releasable adhesive
Picture display device