4. Telecommunications
  5. Receiver or analog modulated signal frequency converter
  6. Frequency modifying or conversion

Leonard Dauphinee

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Amplifier assembly including variable gain amplifier,...

Telecommunications – Receiver or analog modulated signal frequency converter – With particular receiver circuit
Reexamination Certificate

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Direct digital conversion tuner and method for using same

Telecommunications – Receiver or analog modulated signal frequency converter – Frequency modifying or conversion
Reexamination Certificate

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Extended range variable gain amplifier

Amplifiers – With control of power supply or bias voltage – With control of input electrode or gain control electrode bias
Reexamination Certificate

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Extended range variable gain amplifier

Amplifiers – With control of power supply or bias voltage – With control of input electrode or gain control electrode bias
Reexamination Certificate

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Extended range variable-gain amplifier

Amplifiers – With control of power supply or bias voltage – With control of input electrode or gain control electrode bias
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2273867

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