Power supply circuit, power supply control circuit and power...

Electrical transmission or interconnection systems – Plural supply circuits or sources – Connecting or disconnecting

Reexamination Certificate

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Reexamination Certificate

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07952234

ABSTRACT:
A plurality of DC-DC converters are cascade-connected via a plurality of control signal lines which are used in common for start sequence control and stop sequence control. Each of the plurality of DC-DC converters is constituted including a sequence control circuit which commences a start operation along with activation of a control signal line on a previous stage side and activates a control signal line on a subsequent stage side along with completion of the start operation, and commences a stop operation along with deactivation of the control signal line on the subsequent stage side and deactivates the control signal line on the previous stage side along with completion of the stop operation.

REFERENCES:
patent: 6650552 (2003-11-01), Takagi et al.
patent: 6803892 (2004-10-01), Roh et al.
patent: 7046532 (2006-05-01), Matsuo et al.
patent: 7619323 (2009-11-01), Tan et al.
patent: 7773395 (2010-08-01), Siri
patent: 04-289725 (1992-10-01), None
patent: 2002-369378 (2002-12-01), None
patent: 2004-282930 (2004-10-01), None
patent: 2006-204013 (2006-08-01), None

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