Resources Contact Us Home
Acoustic lens system

Image Number 10 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
Management of computer-file sharing between at least two devices
Automatic setup of reflector instances
Transmission apparatus, receiving apparatus, method, and storage medium
Comparison of visual information
Fibrous laminate interface for security coatings
Optical power measurement method, optical line terminal and optical network unit
Reliability fire pressure switch
  Randomly Featured Patents
Methods and apparatus for sub-harmonic generation, stereo expansion and distortion
Steel for plastics molds superior in weldability
Apparatus and method for fin actuation in a portable missile
Fluid control system
Adjustable powered wheelchair
In vitro preparation of tubular tissue structures by stromal cell culture on a three-dimensional framework
Process for forming an integral gasket on a bipolar plate for a PEM fuel cell
Bidirectional first-in-first-out memory device with transparent and user-testable capabilities
Correction of DC offset in magnetic resonance imaging signals
Viscous fluid delivery system and method and valve therefor