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
Method for carrying out a chemical reaction
Active constant power supply apparatus
Lifting apparatus
Bit error mitigation
Network decoys
Method of manufacturing toner
Antenna device
  Randomly Featured Patents
N-way circular phase interpolator for generating a signal having arbitrary phase
Bis mono- and bicyclic aryl and heteroaryl compounds which inhibit EGF and/or PDGF receptor tyrosine kinase
Method and user interface for creating, specifying and adjusting motion picture transitions
Therapeutic face mask
Sand control agent and process
Pattern forming method
Method of executing an initialization and calibration routine of a hard disk drive
Engine hood for automobiles
Process for the decaffeination of coffee
Heating device with an integrated thermoblock for a beverage preparation machine