Resources Contact Us Home
Sound absorbing structure

Image Number 3 for United States Patent #7743880.

A sound absorbing structure includes a housing having a front face, and a side face which is provided perpendicularly around at least a part of an edge portion of the front face; a gas adsorption material for physically adsorbing gas in an interior space delimited by the front face and the side face of the housing, which gas adsorption material is placed in the interior space; sealing element for sealing the gas adsorption material from outside thereof; and an acoustic connection section for functioning as an acoustic mass so as to acoustically connect an exterior space and the interior space of the housing, which acoustic connection section is provided in at least one of the front face and the side face.

  Recently Added Patents
Systems and methods for automated institutional processing of payments
Polyfunctional sulfur-containing epoxies and compositions thereof
Method and laser receiver for acoustically indicating a laser beam
Water bottle warning triangle
Online data conversion technique using a sliding window
Multi-bank queuing architecture for higher bandwidth on-chip memory buffer
Memory device and method for dynamic random access memory having serial interface and integral instruction buffer
  Randomly Featured Patents
Convertible hopper mounting for injection molding machine
Hair pieces and mounting for hair pieces
Method of carrying out a reaction in a microreaction chamber
Pipe or tube cutter for hand drills
Fixed horizontal axis-mounted wind turbine blade with an independently rotating pressure cambered fin
Assaying for circulating immune complexes with labeled protein A
Molding compositions with acrylonitrile-styrene-acrylate rubber copolymers
Rotating toolhead, especially for turning stationary workpieces
Desk telephone
CMOS image sensor and method of fabrication