Patent ID: 11955936
Assignee: BOSE CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 14:
15. An amplifier with a power stage comprising:
a first Zeta converter connectable to a power supply and a load;
a second Zeta converter connectable to the power supply and the load, the second Zeta converter being driven by a complementary duty cycle relative to the first Zeta converter; and
a controller configured to provide an audio signal to the first Zeta converter and the second Zeta converter for delivery to the load, wherein the controller is connected to a component of at least one of the first Zeta converter and the second Zeta converter to receive a current feedback signal, and wherein the current feedback signal is indicative of a current through the component inside the at least one of the first Zeta converter and the second Zeta converter.