Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Apparatus for and method of attenuating acoustic energy










Image Number 3 for United States Patent #6033756.

A sound attenuating element is provided which comprises a closed cell foam layer (2) having a plurality of channels (4) formed therein. The element is, in use, placed adjacent a surface such that an air gap is formed between the foam layer and the surface. The channels couple to the air gap to form a plurality of Helmholtz resonators.








 
 
  Recently Added Patents
Display screen with graphical user interface
Programming of DIMM termination resistance values
Salts and polymorphs of desazadesferrithiocin polyether analogues as metal chelation agents
High-frequency power amplifier
AC/DC converter
Electric power supply system and electric power supply system for motor vehicle
System and method for optimizing use of plug-in air conditioners and portable heaters
  Randomly Featured Patents
Fail safe thrust reverser door lock with a plastically deformable element
Corona discharge monitor system
Specimen collection and storage and transport device and method
Surround decoder
Asynchronous hub
Method and system for verifying identification of an electronic mail message
Soft magnetic thin film
Tensioning or deflection pulley for a belt drive
System and method for the utilization of an electronic book
Substrate for fabricating light emitting device and method for fabricating the light emitting device