Resources Contact Us Home
Acoustic projector for propagating a low dispersion sound field

Image Number 10 for United States Patent #7912234.

A broadband sound generator and transmitter provides minimal attenuation of sound over the distance between the generators and a point at a selected distance. The transmission component includes a parabolic dish and a positionable framework for the sound generators. The sound generators are positioned in front of the dish and oriented to direct sound into the dish for reflection toward a target. Drive signal conditioning circuitry apportion components of the drive signal to the several sound generators and adjust the signal in terms of delay and phase to accommodate changes in position of the generators relative to the dish.

  Recently Added Patents
Traffic signal mapping and detection
Systems and methods for implementing multi-application tabs and tab sets
Method or system for investing and/or trading
Selecting one of a plurality of print modes based on pixel coverage of a document
Reducing energy and increasing speed by an instruction substituting subsequent instructions with specific function instruction
Area efficient through-hole connections
Image surveillance system and method of detecting whether object is left behind or taken away
  Randomly Featured Patents
Supported sorbents for removal and recovery of arsenic from gases
Agent feeder for pipe casting apparatus
Thermostable trehalose-releasing enzyme
Customized silicon chips produced using dynamically configurable polymorphic network
Electronic hearing aid with gain control means for eliminating low frequency noise
Method of playing blackjack with a bonus bet
Latent catalyzed phenolic resole resin composition
Bus master which selectively attempts to fill complete entries in a cache line
Method and system of controlling injection molding machines
Method for enhanced plant protein production and composition for use in the same