Power management control of pointing devices during low-power st

Details Power management control of pointing devices during low-power st Power management control of pointing devices during low-power st

1996-12-20

1999-07-13

Sheikh, Ayaz R.

Electrical computers and digital processing systems: support

Computer power control

713320, 713322, 713323, 713324, 713340, G06F 132

Patent

active

059220759

ABSTRACT:
In a computer system having a processor capable of selectively operating in a first and second mode and a user input device managed by a controller, a method for maintaining synchronization between a user input device and an associated device driver includes initiating a transition of the processor from the first mode to the second mode upon occurrence of a predetermined event; detecting a user interaction with the user input device; initiating a transition of the processor back to the first mode; instructing a controller coupled to the user input device to process the user interaction and issue a signal to the processor upon completion; and initiating a transition of the processor back to the second mode upon receipt of the signal from the controller.

REFERENCES:
patent: 5511204 (1996-04-01), Crump et al.
patent: 5590341 (1996-12-01), Matter
patent: 5630144 (1997-05-01), Woog et al.
patent: 5790875 (1998-08-01), Andersin et al.

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