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US2809286A
|
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Pulse transmitter systems
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US2670158A
|
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Axis control for guided missiles
|
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US2497908A
|
|
Synchronous voltage regulator system
|
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US2632138A
|
|
Automatic follow-up system
|
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US2555368A
|
|
Transconductance tester
|
|
US2785301A
|
|
Diversity amplification for superheterodyne receivers
|
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US2654881A
|
|
Echo ranging system
|
|
US2814036A
|
|
Random repetition rate pulse signalling system
|
|
US2593484A
|
|
Automatic aircraft propeller synchronizer
|
|
US2596167A
|
|
Signal generating device
|
|
US2629821A
|
|
High-frequency signal translation circuit
|
|
US2648798A
|
|
Modulation system for cathode-ray oscilloscopes
|
|
US2607914A
|
|
Echo ranging circuit
|
|
US2643288A
|
|
Calibrating apparatus
|
|
US2548907A
|
|
Sweep system
|
|
US2473542A
|
|
Electric tachometer
|
|
US2218549A
|
|
Cathode ray sweep circuit
|
|
US2262044A
|
|
Temperature control for magnetron filament
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US2180369A
|
|
Frequency modulation
|
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US2146761A
|
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Regulation of direct current
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