Resources Contact Us Home
Digital beamsteering for a parametric scanning sonar system

Image Number 3 for United States Patent #4190818.

Digital beamsteering for a parametric scanning sonar steers a nonlinear, ulated signal of a single high frequency by appropriately delaying and/or varying the phase of the signal as it enters each of a plurality of elements in an array. The sonar beam can be steered electronically over a wide range of angles.

  Recently Added Patents
Apparatus and method for transmitting/receiving data in a communication system
Surround sound effects provided by cell phones
Transistor and display device
Binder for secondary battery providing excellent adhesion strength and cycle property
Damage resistant antenna
Memory device and semiconductor device
Automatic misalignment balancing scheme for multi-patterning technology
  Randomly Featured Patents
Method and system for determining and maintaining trust in digital image files with certifiable time
Thermally managed battery enclosure for electric and hybrid electric vehicles
Superconducting transformer
Elastic articulation of a central buffer coupling for rail vehicles
Fungicide intermediates
Theme-based card games having subjective scoring criteria
Method for repairing vehicle control cable
Drill bit for horizontal directional drilling of rock formations
Single mode optical fibre having a large cone photonic crystal