Uninterruptible power supply apparatus and methods using a...

Details Uninterruptible power supply apparatus and methods using a... Uninterruptible power supply apparatus and methods using a...

2007-01-23

2007-01-23

Sircus, Brian (Department: 2836)

Electrical transmission or interconnection systems

Plural supply circuits or sources

Substitute or emergency source

C307S066000, C700S022000, C700S286000

Reexamination Certificate

active

10623929

ABSTRACT:
A UPS includes a UPS circuit that selectively supplies power to a load from first and second power sources, and a display (e.g., an LCD) coupled to the UPS circuit and operative to provide display graphical and/or textual information pertaining thereto. The UPS apparatus further comprises a backlight circuit coupled to the UPS circuit and operative to provide different backlightings of the display responsive to respective states of the UPS circuit.

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Notification of Transmittal of the International Search Report and the Written Opinion of the International Searching Authority, or the Declaration, PCT/US2004/022668, Dec. 1, 2004.

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