Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Method and apparatus for reducing power consumption used in communication system having time slots
Soybean variety XB51J12
Treatment of cancer using the sodium salt of a benzoic acid derivative
Image forming apparatus to automatically select a communication condition
Antibody recognizing turn structure in amyloid .beta.
Requirements model comparative analysis method for effort estimation in customizing a network monitoring and control system
Single-lens reflex digital camera which displays an image for live view
  Randomly Featured Patents
Biaxially oriented polypropylene film to be metallized a metallized biaxially oriented polypropylene film and a laminate formed by using it
Motor control housing
Systems and methods of RF power transmission, modulation, and amplification, including cartesian 4-branch embodiments
Garlic-Squeezer
Liquid-crystal electro-optical apparatus and method of manufacturing the same
Laminated ophthalmic lens
Phosphine containing amino acids and peptides and methods of preparing and using same
Method and system for testing data signal amplifier having output signal power dependent upon multiple power control parameters
Method and arrangement for attaching at least one shaped part together with a wear part onto a support piece
Optimal L2 tracking in a SPS receiver under encryption without knowledge of encryption timing characteristics