Smart logic switching uninterruptible power source

Details Smart logic switching uninterruptible power source Smart logic switching uninterruptible power source

1999-01-29

1999-11-09

Wong, Don

Electric lamp and discharge devices: systems

Automatic substitution of the power supply

315362, 315176, 307 66, H02J 900

Patent

active

059820985

ABSTRACT:
An uninterruptible power source for emergency lighting in an AC powered electrical system utilizes X-10 protocol transmitters and receivers for transmitting and receiving data signals over existing wiring to emergency wall switches interposed in the wiring for maintaining emergency lighting in the on condition when AC commercial power is interrupted and a battery powered backup unit converting DC to AC is activated upon the interruption of the commercial AC source.

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patent: 5734230 (1998-03-01), Edwards et al.

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