Patent ID: 6774809
Filing Date: 2004-08-10
Classification: G06F

Abstract:
An information processing device comprising:a personal computer; a personal computer card interface located in said personal computer, and made up of a personal computer card slot and a personal computer card adapter controller which is connected to said personal computer card slot and controlled by software including OS (Operating System) of said personal computer; and a light emitting circuit comprising a bipolar transistor and a light emitting unit connected to said bipolar transistor, a base of which is connected to said personal computer card adapter controller, wherein said light emitting unit in said personal computer goes on when a computer card is inserted into said personal computer card slot and said personal computer card adapter controller generates and outputs a PC card power control signal to initiate a power supply for said personal computer card and to open said bipolar transistor, and goes off when use of said computer card is terminated and said personal computer card adapter controller takes a predetermined software termination procedure and stops said PC card power control signal, causing said bipolar transistor to be turned off.