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
Protein purification
Wafer recycling method
Carrier for developing electrostatic charge image, developer for developing electrostatic charge image, image forming apparatus, and image forming method
Subcarrier cluster-based power control in wireless communications
Method and structure of forming backside through silicon via connections
Far field telemetry operations between an external device and an implantable medical device during recharge of the implantable medical device via a proximity coupling
Pressure washer
  Randomly Featured Patents
Switching and activity compression between telephone lines and digital communication channels
Drink container
Software execution control system and software execution control program
Ball screw
Method of treating migraine
Adjustable chair
Method for preparing polyacrylamide aqueous gel plate for electrophoresis
Nozzle for spraying equipment
Method of age testing rubber based propellants
Memory characterization system