4. Electrical audio signal processing systems and devices
  5. Monitoring/measuring of audio devices
  6. Testing of hearing aids

John L. Melanson

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Analog-to-digital converter (ADC) having a reduced number of...

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

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Analog-to-digital converter (ADC) having a reduced number of...

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

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Analog-to-digital converter (ADC) having integrator dither...

Coded data generation or conversion – Analog to or from digital conversion – Increasing converter resolution
Reexamination Certificate

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Audio power output system with shared output blocking capacitor

Electrical audio signal processing systems and devices – Including frequency control – Having crossover filter
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Ballast for light emitting diode light sources

Electric lamp and discharge devices: systems – Current and/or voltage regulation
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Profile ID: LFUS-PAI-P-220202

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