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
System for collecting computer application usage data of targeted application programs executed on a plurality of client devices
Opioid-nornicotine codrugs combinations for pain management
Navigation apparatus, search result display method, and graphical user interface
Mitigating single point failure of devices in an analyte monitoring system and methods thereof
Method for producing interferon alpha 5
Method and apparatus for storing email messages
Pyridylphenyl compounds for inflammation and immune-related uses
  Randomly Featured Patents
Filter circuit
Arrayed waveguide grating type optical multiplexer/demultiplexer circuit
Embossed substrate and photoreceptor device incorporating the same and method
Soybean cultivar 03440625
Calendar holder
Apparatus and processes for preventing or delaying one or more symptoms of presbyopia
Cation-electrodepositable resin composition
L-buthionine-S-sulfoximine and L-buthionine-R-sulfoximine
Jet soldering method and apparatus
Automatic exposure control apparatus