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
Matching a usage history to a new cloud
Plants and seeds of hybrid corn variety CH979678
User interface for integrating applications on a mobile communication device
Method and apparatus for using virtual machine technology for managing parallel communicating applications
Rechargeable battery including a channel member
LED package chip classification system
Method for producing purified influenza virus antigen
  Randomly Featured Patents
Semi-continuous direct chill casting apparatus
Apparatus for vibrating bulk material within a bin or tank
Customer premises equipment autoconfiguration
Truck bed hitch attachment
Semiconductor memory device
Line head and image forming device using the same
Mulch plate apparatus with adjustable handle mechanism
VHF tuner
Device for machining the surface of parts