4. Electrical audio signal processing systems and devices
  5. Noise or distortion suppression
  6. Soft switching, muting, or noise gating

Keiichi Fujii

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AGC circuit

Amplifiers – With semiconductor amplifying device – Including gain control means
Reexamination Certificate

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AGC circuit

Amplifiers – With semiconductor amplifying device – Including gain control means
Reexamination Certificate

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Analog signal level detecting apparatus

Miscellaneous active electrical nonlinear devices – circuits – and – Specific signal discriminating without subsequent control – By amplitude
Reexamination Certificate

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BTL amplifier

Amplifiers – With semiconductor amplifying device – Integrated circuits
Reexamination Certificate

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Charge-controlling agent and toner using the same

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2188557

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