4. Electricity: measuring and testing
  5. Measuring, testing, or sensing electricity, per se
  6. With rotor

Jack Lau

Inventor

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Digital multimedia jukebox

Data processing: speech signal processing – linguistics – language – Speech signal processing – For storage or transmission
Reexamination Certificate

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Dual-emitter lateral magnetometer

Active solid-state devices (e.g. – transistors – solid-state diode – Responsive to non-electrical signal – Magnetic field
Patent

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Media center

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment
Design Patent

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Personal audio player

Data processing: generic control systems or specific application – Specific application – apparatus or process – Digital audio data processing system
Reexamination Certificate

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Pin driver for in-circuit test apparatus

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent

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Profile ID: LFUS-PAI-P-272211

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