Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Acoustic lens system










Image Number 15 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
Production of battery grade materials via an oxalate method
Systems and methods for generating a user profile based customized media guide with user-generated content and non-user-generated content
Panel for decoration
Information processing apparatus, method for controlling information processing apparatus, and storage medium
Semiconductor thin film, thin film transistor, method for manufacturing same, and manufacturing equipment of semiconductor thin film
Products for animal use including humans having a certificate verifying at least one of efficacy or safety, and methods of providing such certificates
Domestic soda-water preparing device
  Randomly Featured Patents
Scanning system with calibrated detection and method
Red phosphor for fluorescent display and preparation method thereof
Alerting users to items of current interest
Triazinyl-organophosphorus esters
Polarized lens and method of making same
Electrolytic diaphragm cells
Forgery-proof information carrier
Injection seeded laser ratio loop control
Self-contained type lash adjuster
Method and apparatus for monitoring fluid flow between a borehole and the surrounding formations in the course of drilling operations