|
US4199257A
|
|
Projected reticle optical sighting system
|
|
US4185288A
|
|
Mobile radar tower
|
|
CA996248A
|
|
Ultrasonc rodent control
|
|
GB1453103A
|
|
Apparatus for generating and radiating ultrasonic soundwaves for the control of pests
|
|
US3821523A
|
|
Aircraft locating system using agile tacan vortac dme
|
|
US3879702A
|
|
Ultrasonic rodent control
|
|
US3793635A
|
|
Locating vehicles using their voice transmissions
|
|
US3772596A
|
|
Data message repeater system
|
|
US3737901A
|
|
Redundant aircraft clock synchronization
|
|
US3660844A
|
|
Radar detector and identifier
|
|
US3659085A
|
|
Computer determining the location of objects in a coordinate system
|
|
US3621401A
|
|
Frequency spectrum responsive noise reduction system
|
|
US3594799A
|
|
Vor/dme, tacan and vortac having increased capability
|
|
US3665321A
|
|
System for passing on-frequency signals and for gating-out off-frequency signals
|
|
US3579281A
|
|
Combining network providing compensated tuning voltage for varactor
|
|
US3564545A
|
|
Master function hand-off system
|
|
US3564544A
|
|
Multiple mode aircraft clock synchronization
|
|
US3487407A
|
|
Clock frequency and phase correction
|
|
US3521279A
|
|
Mobile clock synchronization techniques
|
|
US3521278A
|
|
Synchronized vortac/tacan cas system
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