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
System and method for browsing tabbed-heterogeneous windows
Rupture resistant system
Selection of hash lookup keys for efficient retrieval
Moving structure and micro-mirror device using the same
Process for producing polyols
Bit error mitigation
Highly specialized application protocol for email and SMS and message notification handling and display
  Randomly Featured Patents
Sintered transformer core of MnZn-ferrite and a transformer comprising such a core
Carrier module for semiconductor device test handler
Furniture glide assembly
Cartridge for textile printer
Multi-function solid-state switch
Recombinant hybrid porin epitopes
Method and apparatus for improvement coding of the subframe gain in a speech coding system
Drift-free thermodynamic anemometry
Caulking composition
Electrical switch