Smart logic switching uninterruptible power source

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

1997-08-25

1999-09-21

Mis, David

Electric lamp and discharge devices: systems

Automatic substitution of the power supply

315130, 315133, 315316, 315320, H05B 3702

Patent

active

059558440

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.

REFERENCES:
patent: 4418333 (1983-11-01), Schwarzback et al.
patent: 4703306 (1987-10-01), Barritt
patent: 5471114 (1995-11-01), Edwards et al.
patent: 5491463 (1996-02-01), Sargeant et al.
patent: 5734230 (1998-03-01), Edwards et al.

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