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
Methods and systems for assessing sales activity of a merchant
Computer implemented apparatus for generating and filtering creative proposal
Flat panel display
Methods and devices for coding and decoding images, computer program implementing them and information carrier enabling their implementation
Passive translational velocity measurement from optical information
Signal processor and signal processing method
  Randomly Featured Patents
Real-time target tracking of an unpredictable target amid unknown obstacles
Air cleaner
Photo stand with rail frame for side mounting a photo
Multi-position mechanic's creeper with tool tray
Foam plastics manufacturing method and machine
Ultrasonic oscillating device and ultrasonic washing apparatus using the same
DC power tool with a safety detection device
Recovery system for platinum plating bath
Control software for unlocking relocking cellular telephones
A stripe-shaped heterojunction laser with unique current confinement