Computer system and method for controlling screen display of a m

Details Computer system and method for controlling screen display of a m Computer system and method for controlling screen display of a m

1998-05-11

2000-09-19

Mengistu, Amare

Computer graphics processing and selective visual display system

Display driving control circuitry

Display power source

345204, 713202, 713300, G09G 6500

Patent

active

061219622

ABSTRACT:
A computer system for controlling a screen display state of a monitor according to input of a password for protecting confidential information from unauthorized users when a computer system is between a standby mode and a suspend mode. The computer system comprises a power controller for converting an operation mode of a computer system into a power management mode which represents one of a power-on mode, a standby mode, a graphic off mode, and a suspend mode according to an access state of the computer system; and a screen controller for converting a screen display state of the display according to a designated one of the power management mode, and controlling the screen display state of the monitor according to input of a password if the computer system is accessed in the graphic off mode.

REFERENCES:
patent: 5752044 (1998-05-01), Crump et al.
patent: 5875345 (1999-02-01), Naito et al.
patent: 5931948 (1999-08-01), Morisawa et al.

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