4. Electrical transmission or interconnection systems
  5. Nonlinear reactor systems
  6. Parametrons

Koichi Maezawa

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ΔΣ modulator and ΔΣ analog-digital...

Coded data generation or conversion – Analog to or from digital conversion – Differential encoder and/or decoder
Reexamination Certificate

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&Dgr;-&Sgr; modulator and &Dgr;-&Sgr; A/D converter

Coded data generation or conversion – Analog to or from digital conversion – With particular solid state devices
Reexamination Certificate

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Digital microphone

Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Microphone capsule only
Reexamination Certificate

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Planetary gear type reduction starter

Machine element or mechanism – Engine starters – Automatic
Patent

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Semiconductor logic circuit using two n-type negative resistance

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent

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Profile ID: LFUS-PAI-P-1069053

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