4. Telecommunications
  5. Transmitter and receiver at same station
  6. Radiotelephone equipment detail

Seiji Matsushita

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High frequency apparatus with reduced adjusting error

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

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Radio frequency device

Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Patent

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Variable-capacitance tuning circuit for high-frequency signals

Tuners – Tuner unit directly responsive to voltage and/or current... – Reactance tuning
Patent

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Profile ID: LFUS-PAI-P-635524

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