Electrical audio signal processing systems and devices – Headphone circuits
Reexamination Certificate
2008-01-07
2011-12-06
Faulk, Devona (Department: 2614)
Electrical audio signal processing systems and devices
Headphone circuits
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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Belanger Robert
Crump Steve
Gauger, Jr. Daniel M.
Bose Corporation
Faulk Devona
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