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
Integrated circuit testing with power collapsed
Rim for a TV receiver
Dihydronaphthyridinyl(organo)methanone analogs as positive allosteric mGluR5 modulators
Method and device for determining processed image data about a surround field of a vehicle
Method and system for establishing enhanced key when terminal moves to enhanced universal terminal radio access network (UTRAN)
Tag-based apparatus and methods for neural networks
Method and system for scaling usage of a social based application on an online social network
  Randomly Featured Patents
Telephone earpiece and mouthpiece cover
Stream data processing system and stream data processing method
Paint brush holder
Modeling when connections are the problem
Multiple index printwheel
Method and apparatus for estimating carrier frequency offset and fading rate using autoregressive channel modeling
Path length adjuster for ring laser gyro
Package for cigarettes of different sizes and/or brands
Top-dumping container handler