4. Electrical audio signal processing systems and devices
  5. Acoustical noise or sound cancellation
  6. Counterwave generation control path

Fumio Kokubo

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Active controller using lattice-type filter and active control m

Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Counterwave generation control path
Patent

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Apparatus for detecting the tilt of a light reflector...

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Reexamination Certificate

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Liquid crystal display apparatus with a first blower for...

Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate

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Vortex-stream gas-liquid separator and gas-liquid separation...

Gas separation – With guide means effecting removal of constituent layer out... – At escape means for heavier constituent
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1718962

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