Resources Contact Us Home
Acoustic lens system

Image Number 13 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
Re-establishing push notification channels via user identifiers
Imaging lens with three lens elements, and electronic apparatus having the same
Method and apparatus for providing contention-based resource zones in a wireless network
Reverse mapping method and apparatus for form filling
Single-pass Barankin Estimation of scatterer height from SAR data
Liquid crystal display device
Method and system for remapping processing elements in a pipeline of a graphics processing unit
  Randomly Featured Patents
Selenium sulfide shampoo with conditioning properties
High Q monolithic capacitor with glass-magnesium titanate body
Group communication system
Video image processing apparatus and the method of the same
Polypeptide having affinity for lipopolysaccharide and method for preparing the same
Top cover, motor, fan and fan shroud assembly for an air conditioning unit
Image forming apparatus with filing function which can store image data and can efficiently perform document filing
Gas hydrate anti-agglomerates
Magnetic disk controller capable of avoiding erroneous write operations to ZBR-type magnetic disks