Computer backup power supply with keyboard lighting

Details Computer backup power supply with keyboard lighting Computer backup power supply with keyboard lighting

1987-02-13

1988-07-26

Roskoski, Bernard

Electrical transmission or interconnection systems

Plural supply circuits or sources

Substitute or emergency source

362 33, A61G 1300

Patent

active

047602775

ABSTRACT:
A system includes a power supply unit adapted to provide power from a separate backup source of power to a computer in the event of an interruption in a primary source of power, the unit having a size and shape adapted to be set on a support surface in a position above a keyboard utilized to provide input to the computer. An illumination panel, including at least one lamp on the power supply unit, illuminates the keyboard when activated, and a control circuit activates the illumination panel utilizing the backup source of power when there is an interruption in the primary source of power.

REFERENCES:
patent: 4349863 (1982-09-01), Petersen
patent: 4414609 (1983-11-01), Shemitz
patent: 4626965 (1986-12-01), Gupta et al.

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