Method and apparatus for simplified control of a video monitor

Details Method and apparatus for simplified control of a video monitor Method and apparatus for simplified control of a video monitor

1993-09-10

1995-09-05

Powell, Mark R.

G06F 1500

Patent

active

054486971

ABSTRACT:
A method and apparatus which provides bi-directional communication between a video monitor and a computer system unit. This enables the video monitor to inform the system unit of its capabilities without user involvement and also enables the system unit to directly control or adjust all the functions of the video monitor. In the preferred embodiment, a monitor/mouse interface provides bi-directional communication between the video monitor and the system unit. The monitor/mouse interface connects to the mouse and video connectors or the back of the system unit and in turn connects to the mouse and video monitor. The interface includes separate data paths from the system unit to the mouse and video monitor, respectively. Monitor control software is included in the system unit which can be used to control or adjust the output of the video monitor. When a user desires to adjust the output of the video monitor, the monitor control software directs the monitor/mouse interface to provide a communication path between the system unit and the video monitor, and the system unit relates the control information input from the user to the video monitor, which adjusts its visual output accordingly. Also, at each power-on of the computer system, the monitor/mouse interface selects the data path between the system unit and video monitor to enable the video monitor to provide capability information to the system unit. A second embodiment includes the monitor/mouse interface logic comprised in the video monitor.

REFERENCES:
patent: 5241631 (1993-08-01), Smith et al.
patent: 5276458 (1994-01-01), Sawdon
patent: 5287460 (1994-02-01), Olsen et al.

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