4. Modulators
  5. Phase shift keying modulator or quadrature amplitude modulator

Masahiro Tsukahara

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Double balanced mixer

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

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Modulator and frequency multiplier for use therein

Modulators – Phase shift keying modulator or quadrature amplitude modulator
Patent

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Orthogonal modulator having a modulation mixer

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

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Phase shifter for a quadrature modulator and an image...

Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Phase shift by less than period of input
Reexamination Certificate

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Semiconductor device with improved inter-element isolation

Active solid-state devices (e.g. – transistors – solid-state diode – Integrated circuit structure with electrically isolated... – Including dielectric isolation means
Reexamination Certificate

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Profile ID: LFUS-PAI-P-541552

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