4. Modulators
  5. Amplitude modulator
  6. Nonlinear device controlled by modulating signal

Richard A. Freeman

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Digital sine conversion circuit for use in direct digital synthe

Boots – shoes – and leggings
Patent

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Digital voice and data frequency modulation circuit

Modulators – Amplitude modulator – Nonlinear device controlled by modulating signal
Patent

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Integrated frequency source

Oscillators – Frequency stabilization – Temperature or current responsive means in circuit
Reexamination Certificate

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Magnetic door stop

Closure fasteners – Magnetic
Patent

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MEMS-based broadband transceiver/sensor

Telecommunications – Transmitter and receiver at same station
Reexamination Certificate

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Profile ID: LFUS-PAI-P-382077

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