Patent ID: 6072465
Filing Date: 2000-06-06
Classification: G06F

Abstract:
A portable information processing apparatus, that includes a main body for accommodating primary electric parts and a power source, and a display panel for displaying process data, comprising:(a) support means for detachably supporting the display panel;(b) a video controller, accommodated in the main body, for outputting video signals to control a display on the display panel;(c) a first interface circuit, provided on the main body, for sending the video signals to the display panel;(d) a second interface circuit, provided on the display panel, for receiving the video signals from the main body;(e) a power line along which the power source supplies power to the display panel;(f) first and second connectors for disconnecting/connecting the first and second interface circuits;(g) detection means for detecting mechanical attachment of the display panel from the support means;(h) power supply means for, upon the detection performed by the detection means, starting to supply power from the power source to the display panel;(i) enabling means for, after the power supply means has begun to supply power, enabling output of the video signals by the video controller across the first interface circuit only after expiration of a specified delay period in order to ensure that the video controller has stabilized.