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
Integrated monitoring in problem management in service desk
Registry key federation systems and methods
Method and device for surface scanning of a patient
Diaminocyclohexane compounds and uses thereof
Multi-channel memory system including error correction decoder architecture with efficient area utilization
Circuit breakers
Compositions and methods for lowering triglycerides in a subject on concomitant statin therapy
  Randomly Featured Patents
Image forming apparatus having charging device with grid cleaner
Method of manufacturing semiconductor devices
Cannabinoid receptor antagonists/inverse agonists useful for treating metabolic disorders, including obesity and diabetes
Light emitting diode
Ink-jet recording apparatus
Method and apparatus for using programming signals for automatic time settings
Flat Ni particle, laminated ceramic electronic component using flat Ni particle, and production method flat Ni particle
Vehicle parts comprising ethylene/2-olefin/vinylnorbornene elastomeric polymers
Method for regular placement of data path components in VLSI circuits
P-channel power MIS field effect transistor and switching circuit