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Class Information
Number:
342/391
Name:
Communications: directive radio wave systems and devices (e.g., radar, radio navigation)
>
Directive
>
Beacon or receiver
>
With transmisson of bearing or position determinative signals
>
Iso-chronic type
>
Loran
> Loran-a
Description:
Subject matter wherein the Loran system provides time-difference measurement by matching the leading edges of the pulses (usually with an oscilloscope).
Patents under this class:
Patent Number
Title Of Patent
Date Issued
8159164
Variable-delay-time control system for a motor
Apr. 17, 2012
4234883
Noise adaptive correlator
Nov. 18, 1980
4019183
Apparatus for Loran simulation
Apr. 19, 1977
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