4. Wave transmission lines and networks
  5. Attenuators

V. L. Sewell

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Adaptive oscillator apparatus for use in a phase-lock loop

Oscillators – Automatic frequency stabilization using a phase or frequency... – Search sweep of oscillator
Patent

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Adjustable slope equalizer

Wave transmission lines and networks – Coupling networks – Equalizers
Patent

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Alarm indications signal detection apparatus

Multiplex communications – Wide area network – Packet switching
Patent

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Analog echo suppressor

Telephonic communications – Echo cancellation or suppression
Patent

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Announcement and tone code generator for telephonic network and

Multiplex communications – Wide area network – Packet switching
Patent

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Profile ID: LFUS-PAI-P-34079

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