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
Semiconductor device including insulating layer of cubic system or tetragonal system
Monitoring of undesirable fluid ingress into subsea control modules
Method and apparatus for using service capability information for user plane location
Process for producing a plasma protein-containing medicament with reduced concentration of citrate and metals
Battery comprising circuitry for charge and discharge control, and method of operating a battery
Method and system for automatically identifying wireless signal quality of a region
Automated macular pathology diagnosis in three-dimensional (3D) spectral domain optical coherence tomography (SD-OCT) images
  Randomly Featured Patents
Mouse trap
Semiconductor memory device
Computer program product for mismatched shaping of an oversampled converter
Circuit arrangement and method for maintaining control of a peripheral device by a controller during a controller
Compressed gas / carbon dioxide / hydraulic fluid dispenser
Front engine tractor having transverse midship mounted heat exchanger
Method of determining the quality of a medium
Paper feeder having hard nip and flexible nip
Solid polymeric electrolyte
Illuminating device