Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 342/144
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Determining distance > With pulse modulation > Combined with determining direction > With crt display > Ppi type
Description: Subject matter wherein the display represents the signal as a bright spot, with range indicated by the distance of the spot from the center of the screen and the bearing by the radial angle of the spot.

Patents under this class:

Patent Number Title Of Patent Date Issued
5455591 Precision high speed perspective transformation from range-azimuth format to elevation-azimuth format Oct. 3, 1995
4596987 PPI display apparatus Jun. 24, 1986
4281327 Range corrector circuit for a bistatic passive radar display Jul. 28, 1981
4023166 High power low loss nonresonant filter system May. 10, 1977

  Recently Added Patents
Method for fabricating a nitrided silicon-oxide gate dielectric
Mobile terminal
Crosslinked core/shell polymer particles
Policy based cryptographic application programming interface in secure memory
Integrated process for the manufacture of fluorinated olefins
Synchronization processing circuit and synchronization processing method in wireless communication system
  Randomly Featured Patents
Monoacrylate-polyether treated fiber
Medication dispenser
Food cooking apparatus
Fluorescent lamp fixture and heater
Optical disc
Telephone having a hold function
Plastic cutter blade
Device for closing boxes and the like
Methods and kits for improving retroviral-mediated gene transfer utilizing molecules, or mixture thereof, containing retroviral binding domains and target cell binding domains
Trace-level gas analysis apparatus and method