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US08135944B2 Selectively powered data interfaces 有权
选择性供电的数据接口

Selectively powered data interfaces
摘要:
A plurality of separately powered data interface circuits, a controller circuit, and power switch circuits that collectively enable a supply of power to only one of the data interface circuits and disable the supply of power to the other data interface circuits. Alternatively, the separately powered circuits need not be data interface circuits.
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