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
Adding co-users to user definable co-user lists
Quinoid thiophene organic photoelectric material, preparation method thereof and application thereof
Manufacturing method for semiconductor device carrier and semiconductor package using the same
Method and device for extracting vapors in an injection molding machine
Methods and apparatus for voltage selection for a MOSFET switch device
Field device for determining or monitoring a physical or chemical process variable
Control apparatus and control method
  Randomly Featured Patents
Fork lift attachment
Fascia board hanger
Anti-oxidant products
Wood-type golf club
Tubbing ring for lining a tunnel
1-arylalkoxy- and 1-arylalkylthioaryl-2-pyrazolines as anti-inflammatory or anti-allergic agents
Terrestrial globe with world-wide watch function
Processor system using synchronous dynamic memory
Suspended combined electric current collection and traction systems
Light measuring device