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US3654603A
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Communications exchange
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US3586880A
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Isolation and compensation of sample and hold circuits
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US3500021A
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Card reader
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GB1152456A
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Improvements in or relating to Operational Integrators
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US3350658A
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Oscillator drift compensation
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US3457394A
|
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Electronic resolver
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US3462588A
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Digital attenuator which controls a variable conductance
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US3469198A
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Phase detector for phase locked loop frequency detector employing current switching apparatus
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US3375463A
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Loop filter for phase locked loop frequency detector
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US3409833A
|
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System for detection and reconstruction of binary data transmitted at rates up to and exceeding twice the nyquist rate
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US3411110A
|
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Single side band suppressed carrier modulator
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US3371224A
|
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High accuracy electronic function generator
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US3488452A
|
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Record speed compensation for systems for processing recorded information
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US3456062A
|
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Musical instrument
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US3399352A
|
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Phase detector output smoothing network
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US3371291A
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Current control of oscillator frequency
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