Automatic power control of facsimile / modem for PC (PC)

摘要

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a power automatic control device for a facsimile / modem worn by a PC, and more particularly to a device for automatically turning on / off a PC by sensing a ring signal.;A facsimile / modem operation ufor checking the presence or absence of a signal input to the telephone line and detecting a signal when the ring signal is input to perform a facsimile or a modem operation; And a power control uof a facsimile / modem for automatically detecting whether or not to supply power to the PC power uby detecting an input ring signal according to a reference signal.