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

Toru Izumiyama

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Balanced-to-unbalanced converting circuit

Wave transmission lines and networks – Coupling networks – Balanced to unbalanced circuits
Patent

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Output power detection circuit of transmitter

Telecommunications – Transmitter – Measuring – testing – or monitoring of transmitter
Reexamination Certificate

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Power amplifier capable of adjusting operating point

Amplifiers – Combined with automatic amplifier disabling switch means
Reexamination Certificate

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Reception circuit for cellular telephone

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

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Profile ID: LFUS-PAI-P-1824873

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