4. Telecommunications
  5. Receiver or analog modulated signal frequency converter
  6. Local control of receiver operation

John H. Spears

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Cellular speakerphone and method of operation thereof

Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent

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Method and apparatus for temperature compensation of a reference

Telecommunications – Receiver or analog modulated signal frequency converter – Local control of receiver operation
Patent

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Methods for tuning an adaptive impedance matching network...

Wave transmission lines and networks – Automatically controlled systems – Impedance matching
Reexamination Certificate

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Profile ID: LFUS-PAI-P-870684

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