Supplying electrical power

Electrical audio signal processing systems and devices – Headphone circuits

Reexamination Certificate

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Details

C381S071600, C381S072000, C381S071100, C381S370000

Reexamination Certificate

active

08073154

ABSTRACT:
A power supply includes a battery source supplying power and a voltage converter circuit. The voltage converter circuit converts the power to the input voltage supplied to other circuitry. The voltage converter circuit varies the input voltage in response to a load current drawn by the other circuitry from the power supply.

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