Return signal controls radar system > Receiver > Gating > Automatic range tracking > Patents

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Class Information
Number: 342/95
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Return signal controls radar system > Receiver > Gating > Automatic range tracking
Description: Subject matter including self-acting circuit means to control the timing of a gate in relation to the range of the target.

Sub-classes under this class:

Class Number	Class Name	Patents
342/96	Automatic track while scan (atws)	80
342/97	With automatic lock-on	75

Patents under this class:

1 2 3 4

Patent Number	Title Of Patent	Date Issued
3986187	Automatic signal tracking circuit	Oct. 12, 1976
3975731	Airborne positioning system	Aug. 17, 1976
3969616	Digital range computer systems for air navigation systems such as tacan	Jul. 13, 1976
3959730	Digital hysteresis circuit	May. 25, 1976
3952304	Tracking system utilizing Kalman filter concepts	Apr. 20, 1976
3943510	Pulse-repetition frequency discriminator (PRFD) for tracking radar signals	Mar. 9, 1976
3940766	Range and angle discriminator for leading edge radar tracking	Feb. 24, 1976
3935572	System for resolving velocity ambiguity in pulse-doppler radar	Jan. 27, 1976