4. Telephonic communications
  5. Subscriber line or transmission line interface
  6. Network interface device

Douglas L. Youngblood

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Analog switch with overcurrent detection

Miscellaneous active electrical nonlinear devices – circuits – and – Gating – Utilizing three or more electrode solid-state device
Reexamination Certificate

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Arrangement for back-biasing multiple integrated circuit...

Active solid-state devices (e.g. – transistors – solid-state diode – Housing or package – Insulating material
Reexamination Certificate

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Bandgap reference circuit for low supply voltage applications

Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate

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CMOS-configured transconductance amplifier circuit

Amplifiers – With semiconductor amplifying device – Including differential amplifier
Reexamination Certificate

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Enhanced high voltage interface for partitioned subscriber...

Telephonic communications – Subscriber line or transmission line interface – Power supply
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Profile ID: LFUS-PAI-P-621508

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