Matches 1 - 9 out of 9
Match Document Document Title
5097484 Diversity transmission and reception method and equipment  
In an antenna-selection diversity transmission and reception equipment which is in digital communication with a transmission and reception equipment having a single antenna, and performs...
4837786 Technique for mitigating rain fading in a satellite communications system using quadrature phase shift keying  
A system for data communication between ground stations using an orbiting satellite as a relay includes a technique for avoiding the loss of signals from the satellite during periods of heavy...
4332032 Adaptive hybrid antenna system  
A hybrid antenna system selectively connects an electrical field antenna or a magnetic field antenna to a navigational signal receiver on board an aircraft. The output signal from the electrical...
3916316 Multichannel logarithmic RF level detector  
The invention is a logarithmic RF level detector which can be used to der gain-weighting signals in an n-channel angle modulation diversity receiving system. The IF signals in the n-channel...
3824597 DATA TRANSMISSION NETWORK  
Disclosed is a transcontinental communications network particularly designed for the very rapid transmission of digital data between subscribers throughout major areas of the United States. The...
3815028 MAXIMUM-LIKELIHOOD DETECTION SYSTEM  
There is disclosed a system for simultaneously providing optimum equalization and optimum diversity combining for a digital signal transmitted through a dispersive medium by means of maintaining,...
3729682 AUDIO SIGNAL QUALITY INDICATING CIRCUIT  
In a system for selecting one of a plurality of radio receivers, a circuit is provided for each receiver to indicate the quality of the audio signal provided by each receiver. The circuit uses a...
3651406 SYSTEM FOR PLURAL CHANNEL SIGNAL RECEPTION AND READOUT AND METHOD OF OPERATION  
The invention pertains to a radio receiver system, and to a method of operation thereof, in which two channels having the same message thereon are received. The noise levels in the respective...
3515819 BREAKDOWN DETECTING ARRANGEMENT FOR TRANSMISSION SYSTEMS WITH NOISE  
Matches 1 - 9 out of 9