Resources Contact Us Home
Browse by Category: Main > Business
Class Information
Number: 434/8
Name: Education and demonstration > Detection or range determination of distant object by apparatus using sensor of electromagnetic or sound energy > Sonar > Simulation of doppler shift of echo
Description: Subject matter relating to an imitation of the effect of the direction of movement of a distant object upon the frequency of sound waves reflected therefrom.

Patents under this class:

Patent Number Title Of Patent Date Issued
7734245 Statistical-deterministic approach to natural disaster prediction Jun. 8, 2010
4986755 Acoustic target doppler simulator Jan. 22, 1991
4954996 Navigation sonar system dockside simulator Sep. 4, 1990
4626217 Broadband doppler simulator Dec. 2, 1986
4306301 Wide band frequency shifter in variable amounts Dec. 15, 1981
3936958 Sonar reverberation simulation Feb. 10, 1976

  Recently Added Patents
Rewarding independent influencers
Transferring storage devices within storage device testing systems
Bend resistant cable
System and transceiver clocking to minimize required number of reference sources in multi-function cellular applications including GPS
Reverse mapping method and apparatus for form filling
Rear bumper for an automobile
  Randomly Featured Patents
Lubricating oil compositions
Method and apparatus for providing random access window configuration
Sense amplifier
Device and method for inspection of baggage and other objects
Equipment for sheathing hay bales in plastic
Arrangement for and method of treating fluid
Method and apparatus for detecting a disconnection in the charge line between a generator and an electric battery in a motor vehicle
Hand-utensil particularly useful for removing the peel of citrus fruit
Fishing reel