Communication apparatus having power backup function for image m

Details Communication apparatus having power backup function for image m Communication apparatus having power backup function for image m

1997-02-24

2000-01-25

Auve, Glenn A.

Electrical computers and digital processing systems: support

Computer power control

365229, G06F 126

Patent

active

060188022

ABSTRACT:
A communication apparatus comprises a main power supply for supplying a power to respective units of the apparatus, a central control unit powered from said main power supply for controlling the entire apparatus, a rewritable data memory unit, a main power supply control unit for controlling an operation of said main power supply, a secondary battery charged by said main power supply for supplying a power to said main power supply control unit and said memory unit, and a unit for supplying the power from said secondary battery to said memory unit during the stop of said main power supply and supplying the power from said main power supply to said memory unit during the operation of said main power supply.

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