Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Acoustic lens system










Image Number 15 for United States Patent #7316290.

A loudspeaker includes a frame, a magnet coupled to the frame and a diaphragm secured to the frame. An acoustic lens may be positioned in front of the diaphragm. An aperture extends through the acoustic lens. The acoustical directivity pattern of the loudspeaker may be modified by the acoustic lens to improve the uniformity of the off axis vs. on axis sound pressure level.








 
 
  Recently Added Patents
Method of making an insulated gate semiconductor device and structure
Determination of earned values of progress of a project
Portable identity rating
Ram air turbine deployment actuator
Messaging to provide data link integrity
Antibodies to lymphotoxin-alpha
Method of partitioning a database
  Randomly Featured Patents
Poly-.beta.-1.fwdarw.-4-N-acetylglucosamine
Golf ball
Tool detecting apparatus
Isolation and identification of transcription control elements associated with mouse eosinophil peroxidase expression
Low profile direct/indirect luminaires
Method of forming an annular slot in a longitudinally splined annular member
Process for preparing spheroidal alumina particles
Apparatus and method for performing laser thermal keratoplasty with minimized regression
Inking device for postage meters
Airborne IR fire surveillance system providing firespot geopositioning